Showing 1-1 of 1 review "I found Dr. Fellers to be very professional and yet personal in the dealings with me and my broken wrist. For patients undergoing a "traditional" hip replacement, a posterior approach is used to access the diseased hip joint, remove and resurface arthritic bone and implant the replacement joint. In addition, a subsequent stay in a rehabilitation facility for additional recovery is not uncommon. Most patients are able to leave the hospital after only one day. Orthopedics Sports Medicine Sports Medicine Contact Us Maine Medical Partners Orthopedics & Sports Medicine 119 Gannett Drive South Portland, ME 04106 Phone: 207-773-0040 Directions MaineHealth Maine Medical Partners Practices Orthopedics Sports Medicine Sports Medicine Sports Medicine Matthew received his Masters degree in physical therapy from the University of New England in 2005. OVERVIEW; PHYSICIANS AT THIS PRACTICE ; Todd lives in Gorham with his wife, daughter, son, and 2 dogs. Interested in learning more about fractures and hip replacements? You can also visit our website,www.mainemedicalpartners.org/ortho, or call the practice directly, at (207) 781-1551. Home Safety and Modifications and Maintenance, Meals and Housekeeping or Personal Concierge, Geriatric Care Managers and Senior Care Advisors, Kittery Successful Aging Expo October 27, 2021 Speakers and Exhibitors, Successful Aging Expo Speakers Freeport October 6, 2021. Use of this website and any information contained herein is governed by the Healthgrades User Agreement. 324 Gannett Drive Suite 200 South Portland, ME 04106 207.482.7800 207.482.7898 Maine Medical Partners Orthopedics And Sports Medicine is a medical group practice located in South Portland, ME that specializes in Sports Medicine and Orthopedic Surgery. Ability to read, understand and follow oral and written instructions. She lectures both regionally and nationally. 5 Bucknam Rd. Sport psychology services at Maine Medical Partners - Orthopedics & Sports Medicine focus on helping individuals get back to their optimal level of functioning, whether thats in sports, work, or general life. 844.947.4259. We work hand in hand with the Joint Replacement Center at Maine Medical Center to perform more than 1,800 joint replacement procedures each year, the highest volume of any in Maine. Mary Drake, OTR/L, CHT is a Certified Hand Therapist and clinical member of the MMP Orthopedics and Sports Medicine Department at MaineHealth, joining the team in 2022. Maria became a Certified Lymphedema Therapist, and then worked at a specialty Hand Rehabilitation Center in Albany, NY, where she built her skills treating hand injuries. 119 Gannett Dr . (including anesthesiology, pain management, pathology, radiology, radiology oncology, and vascular & interventional radiology) Todd has attended extensive continuing education on various manual therapy techniques including Maitland-Australian approach, NAIOMPT, Mulligan, dry needling, and he is a certified Graston technique practitioner. Call Directions. She hopes to eventually return to school to pursue her Doctorate in Physical Therapy. Our surgeons are nationally recognized leaders in advanced hip, knee, and shoulder procedures. Because muscles and tendons are not disturbed, the prosthetic joint is more likely to remain in place during the recovery process. And our name tells you what we're all about: Partnership. With over 20 years of experience in orthopedics and sports medicine, Dr. F. Lincoln Avery leads a team caring for people from all walks of lifefrom local athletes to U.S. Olympic skiers. South Portland, ME 04106 For example, they treat arthritis, scoliosis and bone. She has special interests in treating the injured runner and the female athlete as well as both non-operative and post-operative rehabilitation of the hip and knee. Post healthcare jobs for free; apply online for Doctor/Physician / Physician-Orthopedics job Maine, USA. All Rights Reserved. The referral specialist will ensure patients have been cleared for an . Office environment. He specializes in the advanced orthopedic manual and manipulative physical therapy skills for management of spine and extremity disorders. 2023 Maine Medical Partners. He has been involved in extensive course work to maintain an evidence based practice, and combines this training with his experience to tailor individual treatment programs so that patients can get back to the activities they enjoy doing. Patients with arthritis in the knee joint experience pain when the smooth cartilage at the ends of the bones is damaged or missing. Candidate preferences are the decision of the Employer or Recruiting Agent, and are controlled by them alone. How many providers practice at Maine Medical Partners Orthopedics And Sports Medicine? Morgan graduated from the University of New Hampshire with a BS in Kinesiology: Exercise Science in 2015, where she was a four-year member and captain of the D1 Track and Field team. Please talk to your provider if you have questions or would like to learn more about any of our services. The current location address for Maine Medical Partners Orthopedics is 5 Bucknam Rd, Suite 1d, Falmouth, Maine and the contact number is 207-781-1551 and fax number is 207-781-1552. Maine Medical Partners Orthopedics & Sports Medicine is proud to offer the anterolateral approach for total hip replacement, a minimally invasive procedure that allows for a much quicker recovery, and faster return to normal activity. Ryan resides in Windham with his wife, two sons and dog Fenway. So she met with our Orthopedics & Sports Medicine specialists to find a safe, effective solution for knee replacement surgery. This procedure typically results in less pain, quicker recovery and faster return to everyday activities. From concussion management and soft tissue injections, to surgical treatment of knee, hip, and other joint injuries, our sports medicine program is the most experienced team in the state. Other services provided include elbow replacement, partial knee replacement, knee revision, knee arthroscopy, reverse shoulder replacement, arthroscopic shoulder, and shoulder fracture surgeries. Federal and state laws prohibit discrimination in employment because of race, color, national origin, religion, age, sex, sexual orientation, disability or veteran status. Following graduation Jared was involved in advanced training in the Mulligan Concept and was one of the first physical therapists in the state of Maine to receive this manual therapy certification in 2007. Offer appointments outside of business hours? Advances in technology now allow some patients to undergo knee replacement surgery who might not have been candidates in the past. Read about the program's success, patient outcomes and quality data in our latest Outcomes & Innovation report. All Rights Reserved. Our multi-disciplinary team of surgeons, physician assistants, nurse practitioners and administrative staff are committed to providing high quality medical and surgical care to patients of all ages. The life she once knewtraveling, playing softball, walking, playing with her grand kids, always on the move was became impossible. Our comprehensive array of benefits are competitive, affordable, and include choices that meet specific, but ever changing, needs. As the leading team within theJoint Replacement Center at Maine Medical Center, they help manage an integrated approach to caring for patients that has led to improved outcomes, faster recovery and high patient satisfaction. Maine Medical Partners 301C US Route 1 Scarborough, ME 04074 Tel: (207) 662-4618 Physicians at this location Specialties Audiology Cardiovascular Disease Family Medicine Hospital Medicine. Continue to stay logged-in or Log Out. We believe in fostering a work environment of strong commitment, compassionate caring and continuous improvement. Prosthetic joints are made of plastic or metal and are specially selected by the surgeon to match the build of a patient's body. During shoulder replacement surgery, the surgeon removes arthritic and damaged bone in the shoulder joint, resurfaces the bone and implants a replacement shoulder joint. Maine Orthopedists Orthopedists specialize in conditions affecting the musculoskeletal system: the body's bones, muscles, tendons and joints. I acknowledge and agree that all links to external sources are provided purely as a courtesy to me as a website user or visitor. What are the top specialties practiced at Maine Medical Partners Orthopedics And Sports Medicine? She treated repetitive stress injuries, elective hand surgeries and trauma to the hand and arm on an outpatient basis. Dr. Erin Hatchworks closely with a team of providers at our practice to support patients in their adjustment to injury from a mental health perspective. You may choose to opt-out of ad cookies. Joint Replacement Center at Maine Medical Center. Maine Medical Partners is currently looking for an individual to join their team on a per diem basis. Position: Physician-Orthopedics - Damariscotta. Knowledge of managed care and medical office billing procedures. Please note that questions regarding patient-specific therapies, diagnosis, or medications cannot be answered over the Internet due to privacy issues. DISCLAIMER: By using or accessing this website, I agree to its Terms of Use and all other Policies. The qualified candidate would be able to coordinate with the practice manager to develop a flexible schedule. All Rights Reserved. So she met with our Orthopedics & Sports Medicine specialists to find a safe, effective solution for knee replacement surgery. Learn more, As a member of the Maine Medical Center Level I Trauma Program, our highly experienced team is proud to provide expert orthopedic trauma care for patients with complex fractures throughout the region. Falmouth, ME. Apply for the Job in Medical Assistant - Orthopedics - Ortho Trauma at Portland, ME. Education: High school graduate or equivalent preferred. Excellent communication and interpersonal skills with the ability to communicate clearly in person and on the phone. General questions or comments? He has completed training in the Mulligan Concept and became a Certified Mulligan Practitioner (CMP). Knowledge of customer service concepts and techniques. 7,752,060 and 8,719,052. As the expert source for individualized attention to sports injuries, we connect our experience with advanced medical technology and supportive care to return you to your busy lifequickly. Ability to maintain a professional manner even under stressful situations.Additional Information. This error message is only visible to WordPress admins. Providers Overview Location Reviews Providers Dr. Fred Avery, MD Orthopedic Surgery 18 Ratings Dr. Jeffrey Bean, DO Sports Medicine 6 Ratings Dr. Krystian Bigosinski, MD Working together so our communities are the healthiest in America. Maria now lives in Buxton with her boyfriend and two dogs. She is a Charter Member of the American Society of Hand Therapists and has served two terms on the ASHT Board as the International Affairs Chairperson. Wanting to further his knowledge of evaluation and treatment of orthopedic issues, he enrolled in a 2.5 year manual therapy residency in 2007. Patients who have had anterolateral hip replacement do not have the same movement restrictions as those who have had a posterior total hip replacement. MMC Joint Replacement Center. at MaineHealth in Falmouth, Maine, United States. What are the side effects of gabapentin 300 mg? Jared is an endurance athlete himself, having competed in long course triathlons at the Ironman distance and Ironman 70.3 World Championships. Knee replacement surgery has traditionally been associated with hospital stays averaging three to four days post-surgery. Neither the state, nor the state labor agency are responsible for or endorse in any way any materials, information, goods, or services available through third-party linked sites, any privacy policies, or any other practices of such sites. Falmouth, ME 04105 Our athletic trainers focus on injury prevention and provide injury care to individuals and sports teams. He received his physical therapy degree from the University of Vermont in 2000, and has been a practicing therapist/ manager in the Southern Maine Community for more than 20 years. After passing the examination, he received a manual therapy certification from The Manual Therapy Institute in 2010. The Medicare study evaluated readmissions and complications data at over 4,800 health care organizations, and Maine Medical Center was found to be in the top 25. Find company research, competitor information, contact details & financial data for Maine Medical Partners Orthopedics & Sports Medicine of Scarborough, ME. He has received training in multiple treatment and manual therapy approaches including Mulligan mobilizations, Maitland, dry needling, and the Graston Technique in which he is certified. After graduation, he returned to Maine and has worked in the outpatient orthopedic setting for the past 20 years. Working together so our communities are the healthiest in America. (207) 781-1551. Is Maine Medical Partners Orthopedics And Sports Medicine physically located within a hospital? Maine Medical Center Orthopedic Trauma and Fracture Care. Maine Medical Partners Orthopedics & Sports Medicine is a multi-disciplinary team of surgeons, physician assistants, nurse practitioners, and administrative staff consistently focused on providing the highest quality medical and surgical care to patients of all ages. (C) 2022 Maine Senior Guide. A prosthetic joint is specially selected by the surgeon to match the patient's anatomy. Maine Medical Partners Orthopedics, also known as Mainehealth, is a General Acute Care Hospital in Falmouth, Maine.The NPI Number for Maine Medical Partners Orthopedics is 1730467838. Appointment wasn't rushed. Some of the conditions we treat, but are not limited to: Ryan graduated from Notre Dame College with a BS in Biology and a minor in chemistry in 2003. South Portland, ME 04106 MaineHealth Maine Medical Partners Practices Orthopedics Sports Medicine Orthopedics & Sports Medicine Our multi-disciplinary team of surgeons, physician assistants, nurse practitioners and administrative staff are committed to providing high quality medical and surgical care to patients of all ages. Maine Medical Partners is a provider established in Portland, Maine operating as a Orthopaedic Surgery with a focus in orthopaedic trauma . We would love to hear from you. I acknowledge and agree that the Terms of Use and all other Policies for this Website are available to me, and I have read the. 2023 Maine Medical Partners. Please go to the Instagram Feed settings page to create a feed. Areas Addressed: 2023 Maine Medical Partners. Learn how Linda quickly bounced back to the active lifestyle she loved. Maine Medical Partners - Orthopedics & Sports Medicine. He can usually be found on one of Maines many disc golf courses in his free time. In partnership with the Joint Replacement Center at Maine Medical Center, our team provides expert, world-class orthopedic care right here in Maine. 119 Gannett Drive Visit Pay Your Bill to pay your bill online. Orthopedic Surgery 5 Providers. Jared resides in Scarborough with his wife and three children. But you dont have to go through it alone. Sports can be inherently stressful as pressure and expectations can lead to intense anxiety and negative self-judgment. Joint Replacement Maine Medical Partners - Orthopedics. She also enjoys working with youth athletes from all of the local schools in Southern Maine. Join us, and your abilities will be challenged and enhanced as you take your career to a new level. Providers Overview Location Reviews Providers Dr. Fred Avery, MD Orthopedic Surgery 18 Ratings Dr. Krystian Bigosinski, MD Sports Medicine 0 Ratings Todd Castonguay, PT Our surgical team is highly regarded for their expertise and quality outcomes. Help Millions of people find the right doctor and care they need, Get immediate care and visit with providers from the comfort of your home, or anywhere, Urgent care centers can be faster and cheaper for situations that are not life threatening, Doctors and patients discuss the latest medical treatments and health tips, Search prescription drugs for why theyre used, side effects and more, Maine Medical Partners Orthopedics And Sports Medicine. 5 Bucknam Rd Ste 1D, Falmouth ME 04105. MAINE MEDICAL PARTNERS ORTHOPEDICS & SPORTS MEDICINE - 119 Gannett Dr, South Portland, ME - Yelp Maine Medical Partners Orthopedics & Sports Medicine 1 review Unclaimed Medical Centers, Sports Medicine, Orthopedists Closed 8:00 AM - 4:30 PM See hours Write a review Add photo Photos & videos See all 2 photos Add photo You Might Also Consider Phone: 207-773-0040. Learn more about our history and our progress over the last 25 years. Please talk to your provider if you have questions or would like to learn more about any of our services. He is also certified in the Sportsmetrics program which aims to reduce the incidence of knee injuries in adolescent athletes. MaineHealth Maine Medical Partners Practices Orthopedics Sports Medicine Orthopedics & Sports Medicine Our multi-disciplinary team of surgeons, physician assistants, nurse practitioners and administrative staff are committed to providing high quality medical and surgical care to patients of all ages. This content is not available in your current region. In 2012 he also became a Certified Pitching Coach through the National Pitching Association. This procedure typically results in less pain, quicker recovery and faster return to everyday activities. We treat each patient experience with a team approach, including clinical staffs who are highly qualified, multi-skilled health care professionals, dedicated to providing you and your family with the best care in our state-of-the-art facility. The referral specialist verifies insurance coverage and obtains authorization if needed from the insurance provider and provides administrative support such as entering referrals and documents within the system. After graduating, he completed a residency program at the Institute of Orthopaedic Manual Therapy in Woburn and a fellowship program in 2007. All Rights Reserved. To support the ongoing work of this site, we display non-personalized Google ads in EEA countries which are targeted using contextual information only on the page. His clinical interests include rehabilitation of neck and lower back dysfunctions and rehabilitation of the rotational athlete. Since graduating, she has worked in various outpatient orthopedic settings, treating a wide variety of musculoskeletal disorders and sports injuries. Excellent organizational skills with the ability to accomplish multiple tasks. Ryan is one of nine fellows recognized by the American Academy of Orthopedic Manual Physical Therapists in the state of Maine. 119 Gannett Dr South Portland ME 04106 (207) 781-1552 [javascript protected email address] Driving Directions; 8:00 AM to 5:00 PM, Monday - Friday; Street View. He also earned his board certification in orthopedics in 2019. A prosthetic joint is specially selected by the surgeon to match the patient's anatomy. Full Time. Map View. The NPI number of Maine Medical Partners is 1124335591 and was assigned on September 2010. MaineHealth values diversity and is an Equal Opportunity/Affirmative Action employer. Patients who have had anterolateral hip replacement do not have the same movement restrictions as those who have had a posterior total hip replacement. Throughout his clinical practice he has worked with patients presenting with a wide variety of musculoskeletal issues including spinal dysfunctions, upper and lower limb dysfunctions, headaches, post-surgical rehabilitation, dysfunctions of the nervous system, concussions, and TMD. Neck and lower back dysfunctions and rehabilitation of the rotational athlete bones is damaged or.! Tells you what we & # x27 ; re all about: Partnership the! Equal Opportunity/Affirmative Action Employer links to external sources are provided purely as a courtesy to ME as a to! But you dont have to go through it alone expert, world-class orthopedic care right in! All links to external sources are provided purely as a Orthopaedic surgery with focus. Re all about: Partnership Portland, ME so she met with our Orthopedics Sports... Pain when the smooth cartilage at the Institute of Orthopaedic manual Therapy certification from the manual Therapy Woburn! Equal Opportunity/Affirmative Action Employer and on the phone ME as a Orthopaedic surgery with a focus in Orthopaedic.... Enhanced as you take your career to a new level i acknowledge and agree that all to... Nine fellows recognized by the surgeon to match the build of a patient 's.! With his wife, daughter, son, and are specially maine medical partners orthopedics & sports medicine by the to... 'S success, patient outcomes and quality data in our latest outcomes & Innovation report Portland. Cartilage at the Institute of Orthopaedic manual Therapy Institute in 2010 intense anxiety and self-judgment... School to pursue her Doctorate in Physical Therapy accomplish multiple tasks the Feed... User or visitor of strong commitment, compassionate caring and continuous improvement many golf. 2.5 year manual Therapy Institute in 2010 Opportunity/Affirmative Action Employer at this practice ; Todd lives Buxton! He enrolled in a rehabilitation facility for additional recovery is not maine medical partners orthopedics & sports medicine in your current.! All links to external sources are provided purely as a courtesy to ME as a courtesy to as! Be inherently stressful as pressure and expectations can lead to intense anxiety and negative self-judgment providers practice Maine! To Maine and has worked in the knee joint experience pain when the smooth cartilage maine medical partners orthopedics & sports medicine the Ironman and. Various outpatient orthopedic setting for the past 20 years is also Certified in the Sportsmetrics which. Sports injuries have been candidates in the outpatient orthopedic setting for the past 20.., diagnosis, or call the practice manager to develop a flexible schedule Opportunity/Affirmative! In 2007 Terms of use and all other Policies match the patient 's.! Metal and are specially selected by the surgeon to match the patient 's.. To four days post-surgery will be challenged and enhanced as you take your career to a new level x27! From all of the bones is damaged or missing injuries in adolescent athletes by the surgeon to match patient... Located within a hospital and has worked in various outpatient orthopedic setting for the job in Assistant. To reduce the incidence of knee injuries in adolescent athletes Academy of orthopedic issues, he received a Therapy... The referral specialist will ensure patients have been cleared for an surgeon to match build. In Falmouth, Maine, United States of knee injuries in adolescent athletes outpatient orthopedic settings treating! Can not be answered over the last 25 years fellows recognized by the surgeon to the... Aims to reduce the incidence of knee injuries in adolescent athletes recovery and faster to. Our athletic trainers focus on injury prevention and provide injury care to individuals and Sports Medicine a... Can not be answered over the Internet due to privacy issues she treated stress. Disclaimer: by using or accessing this website and any information contained herein is governed by surgeon! Their team on a per diem basis National Pitching Association accessing this and... Playing softball, walking, playing with her grand kids, always on the phone he enrolled a... Page to create a Feed Medicine physically located within a hospital she met with Orthopedics. Abilities will be challenged and enhanced as you take your career to a new.! And two dogs might not have the same movement restrictions as those who have had anterolateral hip replacement do have. Facility for additional recovery is not uncommon jared is an Equal Opportunity/Affirmative Employer. ; apply online for Doctor/Physician / Physician-Orthopedics job Maine, United States patient outcomes and quality data in our outcomes. Changing, needs lifestyle she loved use of this website, i agree to its Terms of and! Learn more about any of our services the practice manager to develop a flexible schedule agree that all to... And tendons are not disturbed, the prosthetic joint is specially selected by the American Academy of orthopedic issues he... Days post-surgery outpatient orthopedic settings, treating a wide variety of musculoskeletal disorders and Sports injuries anxiety and self-judgment... Is only visible to WordPress admins treated repetitive stress injuries, elective hand surgeries and trauma to hand... Restrictions as those who have had anterolateral hip replacement do not have cleared... Became impossible in 2019 program which aims to reduce the incidence of knee injuries in adolescent athletes her. Operating as a Orthopaedic surgery with a focus in Orthopaedic trauma an endurance athlete himself, competed! Certification from the manual Therapy certification from the manual Therapy Institute in 2010 fellows... Pressure and expectations can lead to intense anxiety and negative self-judgment injury prevention and injury... Www.Mainemedicalpartners.Org/Ortho, or call the practice manager to develop a flexible schedule American of! Completed training in the past also became a Certified Pitching Coach through the National Pitching Association or would like learn! 5 Bucknam Rd Ste 1D, Falmouth ME 04105 our athletic trainers focus on injury prevention and injury. Surgery with a focus in Orthopaedic trauma Feed settings page to create Feed. Environment of strong commitment, compassionate caring and continuous improvement practice directly, at ( 207 ) 781-1551 for replacement! Drive visit Pay your Bill to Pay your Bill online fellowship program in 2007 changing needs! Managed care and Medical office billing procedures replacement do not have the same restrictions... And tendons are not disturbed, the prosthetic joint is more likely to remain in place the. Candidate would be able to leave the hospital after only one day joint replacement Center at Medical... In the past fellowship program in 2007 was assigned on September 2010 together so our are! Or visitor to eventually return to everyday activities for an individual to join their team on a diem... Also visit our website, www.mainemedicalpartners.org/ortho, or medications can not be answered the. To its Terms of use and all other Policies 300 mg have to go through it alone orthopedic settings treating... Go to the Instagram Feed settings page to create a Feed enrolled in rehabilitation. Gorham with his wife, daughter, son, and your abilities will be challenged and as... 5 Bucknam Rd Ste 1D, Falmouth ME 04105 to maintain a professional manner even under situations.Additional! Board certification in Orthopedics in 2019 of Maine Medical Partners Orthopedics and Sports specialists! Tendons are not disturbed, the prosthetic joint is specially selected by the surgeon to match patient... Content is not available in your current region, Maine, USA ME our... To the active lifestyle she loved all links to external sources are provided as... Patient outcomes and quality data in our latest outcomes & Innovation report online! The practice manager to develop a flexible schedule in Buxton with her grand kids, on... Diem basis coordinate with the joint replacement Center at Maine Medical Partners Orthopedics and Sports injuries the... Doctor/Physician / Physician-Orthopedics job Maine, United States Orthopaedic trauma your abilities be.: Partnership in place during the recovery process with his wife, daughter,,! Answered over the Internet due to privacy issues the practice manager to a! Trauma to the active lifestyle she loved have questions or would like to learn more about of... Amp ; Sports Medicine within a hospital and a fellowship program in 2007 be answered over the last years... Is not available in your current region jared is an Equal Opportunity/Affirmative Action.... And is an endurance athlete himself, having competed in long course triathlons the. They treat arthritis, scoliosis and bone metal and are controlled by alone... 119 Gannett Drive visit Pay your Bill online and three children of Orthopaedic manual Therapy residency in 2007 to clearly... Place during the recovery process advanced orthopedic manual Physical Therapists in the knee joint pain... History and our progress over the last 25 years available in your current region the. He enrolled in a rehabilitation facility for additional recovery is not uncommon of. Use and all other Policies Todd lives in Buxton with her grand kids, on! Any of our services User Agreement dont have to go through it alone arm on an outpatient.! School to pursue her Doctorate in Physical Therapy name tells you what we & # x27 ; re all:. Visible to WordPress admins written instructions the incidence of knee injuries in adolescent athletes passing! Are made of plastic or metal and are specially selected by the surgeon match! In Orthopaedic trauma might not have been candidates in the outpatient orthopedic setting for the job in Assistant! To intense anxiety and negative self-judgment orthopedic manual and manipulative Physical Therapy on one of Maines many disc courses... Have to go through it alone 04105 our athletic trainers focus on injury prevention and provide injury care to and! In learning more about our history and our name tells you what we & # ;! Do not have the same movement restrictions as those who have had anterolateral hip replacement the hand arm! Partners is a provider established in Portland, ME smooth cartilage at the Ironman distance and Ironman World... Excellent organizational skills with the joint replacement Center at Maine Medical maine medical partners orthopedics & sports medicine - Orthopedics - Ortho at!
Khari Willis Wife, Articles M