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MaryAnn P McMahon

MaryAnn P McMahon, MD

Internal Medicine

Accepting New Patients
Online Booking
Need help scheduling? Call 856-536-1515

Highlights

Age Groups Seen

  • Adult 18-65
  • Older Adult 65+

Languages

  • English

Gender

Female

Affiliations

  • Cooper University Hospital

About MaryAnn P McMahon

Professional Statement

I am an outpatient internist, caring for adult patients with traditional office visits and telemedicine. I am a clinician, giving personalized care, in a friendly and efficient manner, while caring for many of my patients for more than 15 years. 

Title

Internal Medicine Physician

Primary Care Physician

Awards and Honors

SJ Magazine "Top Docs" - 2020

Practice Groups

Cooper Care Alliance

Appointments

Locations

Education and Training

Education

  • Internship/Residency: Cooper University Hospital, Internal Medicine, 2003
  • Medical School: Sidney Kimmel Medical College at Thomas Jefferson University, 2000

Board Certifications

  • Internal Medicine: American Board of Internal Medicine, 2003

Insurance

Cooper University Health Care accepts the following health plans. For questions about co-payments, deductibles, and the specific procedures your plan covers, please contact your plan provider.
Search plans
  • Aetna Better Health Medicaid HMO
  • Aetna First Health (Coventry)
  • Aetna HMO/PPO/POS
  • Aetna Medicare
  • Aetna Quality Health
  • Aetna Whole Health
  • AmeriHealth HMO/PPO/POS
  • AmeriHealth Medicare
  • AmeriHealth Value Network
  • Braven Health Medicare
  • Cigna Evernorth Behavioral Health
  • Cigna HMO/PPO/POS
  • Cigna Medicare
  • Cigna One Health
  • Clover Health Medicare PPO
  • Fidelis Care Medicaid HMO
  • First MCO Group Health
  • Galaxy Health Network Group Health
  • Guardian
  • Horizon Blue Cross Blue Shield of New Jersey HMO/PPO
  • Horizon Blue Cross Blue Shield of New Jersey Omnia
  • Horizon Blue Cross Blue Shield of New Jersey State Benefit Plans
  • Horizon NJ Health Medicaid HMO
  • Horizon NJ Health NJ Family Kidcare
  • Humana Medicare Advantage Medicare HMO
  • Humana Medicare Advantage Medicare PPO
  • Humana Military Prime
  • Humana Military Standard
  • Humana Military TriCare
  • Independence Blue Cross IBC PPO
  • Independence Blue Cross Keystone Healthplan East
  • Independence Blue Cross Medicare
  • Independence Blue Cross Personal Choice
  • Jefferson Health Plans Medicare HMO
  • Jefferson Health Plans Medicare PPO
  • Longevity Health Plan Medicare PPO I-SNP
  • Magellan Behavioral Health
  • MagnaCare Group Health
  • Medicaid (NJ)
  • Medicare
  • MultiPlan PHCS
  • Prime Health Services Group Health
  • QualCare Emblem Health
  • QualCare HMO/PPO
  • Railroad Medicare
  • Three Rivers Contigo
  • Three Rivers Devon
  • United Behavioral Health Group Health
  • United Behavioral Health Medicaid
  • United Behavioral Health Medicare
  • United Behavioral Health Optum
  • United Healthcare AARP
  • United Healthcare Community Plan Medicaid HMO
  • United Healthcare Community Plan NJ Family Kidcare
  • United Healthcare Dual Complete D-SNP
  • United Healthcare Group Health
  • United Healthcare Medicaid
  • United Healthcare Medicare
  • United Healthcare Medicare Advantage
  • US Family Health Plan
  • VA Community Care Network
  • WellCare Medicare
  • Wellpoint Medicaid HMO
  • Wellpoint Medicare

Ratings & Reviews

4.8 out of 5

217 ratings, 78 reviews

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

Search reviews
  • Reviewed on 1/2/2026

    I am thoroughly impressed with Dr Maryann McMahon. I have never felt rushed during my appointments with her. She listens to me, provides education, and makes reasonable suggestions when I voice any concerns regarding my health.

  • Reviewed on 1/1/2026

    My experience was great. Everyone was both professional and personal.

  • Reviewed on 12/31/2025

    I'm always treated with utmost professionalism by all the staff members including my primary care provider (Dr. Mary Ann McMahon-MD).

  • Reviewed on 12/27/2025

    Dr. McMahon is wonderful!

  • Reviewed on 12/25/2025

    Everyone was courteous and very helpful with all my questions

  • Reviewed on 12/25/2025

    Dr. Mary Ann McMahon is the absolute best!

  • Reviewed on 12/20/2025

    I have recommended Dr. McMahon to friends. Even though I found out that my previous doctor was remaining in Haddon Heights, I stayed with Dr. McMahon once I went to her because of her kindness, manner, and intelligence.

  • Reviewed on 12/18/2025

    Dr McMahon is one of the best doctors I've ever had the privilege of seeing. She is everything and more than you could possibly expect from a physician. I have complete trust in her. I have recommended her to my friends and family and they now see her as well.

  • Reviewed on 12/18/2025

    I love Dr. MaryAnn McMahon She is so warm and kind just like her father Dr. Thomas McMahon was. They both are two of a kind. Excellent doctors. Very informative and knowledgeable. Her father took great care of my mom, dad and my family. I feel fortunate to have her as my family's doctor as well.

  • Reviewed on 12/12/2025

    Dr. McMahon is an exceptionally, very good doctor. She cares very much about her patients and I would recommend her to my friends, which I have, and they all love her as well. She's excellent. Thank you.

  • Reviewed on 12/12/2025

    Love Dr. Mary Ann. Everyoneat office is nice!

  • Reviewed on 12/11/2025

    Had a wonderful experience with my visit yesterday with Dr.Mamahon

  • Reviewed on 12/11/2025

    My experience has been very positive, from making an appointment to the visit itself. Everyone is courteous, Dr. McMahon is a kind, compassionate physician and I trust her medical expertise.

  • Reviewed on 12/5/2025

    I met Dr. Mc Mahon for the first time and found her to be very warm and friendly and thorough. I like her very much.

  • Reviewed on 12/4/2025

    Staff at 1210 Brace Road are hands down the nicest people to deal with ! ! Dr McMahon is the best, and has been recommended to a number of our friends.

  • Reviewed on 12/3/2025

    Thank you. I do not like to do surveys.

  • Reviewed on 11/25/2025

    Dr. McMahon is the best Doctor I've ever had. She listens intently, reviews all my concerns, is knowledgeable across many different medical areas and clearly advises a course of corrective action. A patient could not have a better GP.

  • Reviewed on 11/21/2025

    All was well. I appreciate t

  • Reviewed on 11/20/2025

    % excellent The Staff and Dr McMahon are right on When it comes to listening and helping With any health issues my husband and myself are dealing with!! A good number of my friends and family also see and trust the Doctor

  • Reviewed on 11/19/2025

    I lost my son two months ago.. Im still a mess. They were all very very kind.

  • Reviewed on 11/18/2025

    This was my first visit to this practice. The medical assistant and doctor were thorough in reviewing my medical records. It was a pleasant visit.

  • Reviewed on 11/13/2025

    Dr. McMahon is such a professional. I trust her judgement on my health needs. I have been going to her for over 15 years! Thank you for hiring such a thorough Doctor.

  • Reviewed on 11/12/2025

    This was my first time at the Brace Rd., Cherry Hill facility. It was an extremely positive experience and I am very satisfied with the facilities and feel very confident in my doctor. I felt seen and heard and I felt the doctor truly had my best interest at heart.

  • Reviewed on 11/12/2025

    Very informative and courageous

  • Reviewed on 11/11/2025

    Always helpful.

  • Reviewed on 11/5/2025

    Dr. Mahone will reach out to let me know when I need to have my check up. Not all doctors do that.

  • Reviewed on 10/31/2025

    I'm very very Happy with my Doctor Maryann Mc Mahon

  • Reviewed on 10/31/2025

    Good personality, concerned and caring, and interested in a friendly professional way leading to trust.

  • Reviewed on 10/31/2025

    Everyone is nice.

  • Reviewed on 10/30/2025

    No waiting time

  • Reviewed on 10/23/2025

    My appointment was on time, professional, and courteous. I had a wonderful experience.

  • Reviewed on 10/22/2025

    Everyone was wonderful from checking in to checking out!

  • Reviewed on 10/22/2025

    perfect

  • Reviewed on 10/18/2025

    Dr. McMahon has always given the utmost respect, time, she's very, very thorough. I would recommend her to everybody and anybody who needed a quality person that cares about you.

  • Reviewed on 10/18/2025

    Very good experience

  • Reviewed on 10/16/2025

    Dr McMahon is s wonderful provider in every way

  • Reviewed on 10/15/2025

    Dr. McMahon takes the time to answer all my questions and explains them in an easily understood way. She has a broad knowledge of all specialties and how they interact with each other. She personally calls me with my lab results as soon as they become available. In summary, she truly has an interest in my continued health and well-being.

  • Reviewed on 10/15/2025

    So fortunate having Dr.McMahon as my primary physician. She's so Knowledgeable and Current with her Health explanations & recommendations

  • Reviewed on 10/7/2025

    Everyone was professional and courteous

  • Reviewed on 10/2/2025

    Dr. is honest and a friend. Great.

  • Reviewed on 9/30/2025

    Dr McMahon and her staff are the nicest people I have ever had treating me. I reccomend her often!

  • Reviewed on 9/30/2025

    It was a very good experience!

  • Reviewed on 9/26/2025

    Great staff excellent doctor

  • Reviewed on 9/26/2025

    I always feel comfortable with her.

  • Reviewed on 9/25/2025

    Dr McMahon has been my primary doctor for many years because I trust her review and input. Her team and reception folks are professional.

  • Reviewed on 9/25/2025

    Dr McMahon wants to know everything about me in order to give me the very best treatment to improve my health. Thank you for the professionalism. Compassion and care that Dr McMahon has provided for me. I truly trust her and appreciate her.

  • Reviewed on 9/24/2025

    Saw Dr Mary Ann McMahon , she is excellent , she always makes you feel at ease and explains things . She is a wonderful doctor, an asset to Cooper! The staff in front are very nice. The nurses who take you in are great! !

  • Reviewed on 9/24/2025

    Great experience with the doctor and all of the staff.

  • Reviewed on 9/20/2025

    Dr. McMahon is professional, kind, very knowledgeable, and very thorough. She is a remarkable asset to COOPER HEALTH SYSTEM.

  • Reviewed on 9/18/2025

    the absolute best in every way

  • Reviewed on 9/17/2025

    I appreciated Dr. McMahon taking the time to answer all of my questions

  • Reviewed on 9/11/2025

    The check in and check out person was excellent.

  • Reviewed on 9/11/2025

    Dr McMahon is very easy to talk to and to answer any of my questions. I feel she cares about any concerns or problems I have. She takes the time to explain her answers in ways I can understand. I always have a good visit with Dr. McMahon.

  • Reviewed on 9/5/2025

    Dr. Mary Ann is outstanding!

  • Reviewed on 8/27/2025

    People that work at Cooper are very kind and capable and ready. Whatever you need at any moment a project have them as a doctor and our friends.

  • Reviewed on 8/15/2025

    Dr. McMahon is a wonderful, well-trained physician, period. She is a real asset to Cooper. I recommend you give her a big raise.

  • Reviewed on 8/13/2025

    Cooper's staff provide great care.

  • Reviewed on 8/8/2025

    I was kinda shocked when the nurse introduced herself to me. I don't know when that last happened.

  • Reviewed on 8/7/2025

    I have been seeing Dr. McMahon for almost 25 years. I wouldn't want to see any other doctor.

  • Reviewed on 8/5/2025

    It was unusual to wait so long for Dr. McMahon, but I was still able to go over all of my concerns. I did not feel rushed during my appointment. Dr. McMahon is always very easy to talk to, and she is very helpful with any of my concerns. I look forward to seeing her and value her opinions and recommendations.

  • Reviewed on 7/30/2025

    Dr McMahon is excellent. She has been my physician for many years; I have much confidence in her skill.

  • Reviewed on 7/30/2025

    Love Dr McMahon and my other Cooper Doctors.

  • Reviewed on 7/18/2025

    As always, my consultation with and examination by Dr. McMahon was caring and thorough. My confidence in Dr. McMahon is complete. I also want to express my gratitude to Nurse Heidi for sharing her own experience with chronic facial nerve pain and recommending a support group.

  • Reviewed on 7/5/2025

    As a new patient to Cooper, I am very happy with the nurse and Dr. McMahon. They were both very kind and interested in my comfort and medical care. I am so appreciative.

  • Reviewed on 7/2/2025

    I always have a good experience when seeing my doctor, Dr. Maryann McMahon. She is a wonderful doctor! The office staff is very caring, professional and caring.

  • Reviewed on 6/28/2025

    Dr, is a true friend. Wonderful and kind. VERY direct, thoughtful and informative. Broad spectrum knowledge.

  • Reviewed on 6/25/2025

    I really appreciate my relationship with my doctor. I always come with a list and she takes time to go over my concerns.

  • Reviewed on 6/22/2025

    Always great seeing Dr. McMahon. All my doctors are Cooper Doctors. Two and a half years ago had colorectal cancer and was amazed and very grateful for having Dr. McClane as my doctor!!!!!!!!!!!!! !

  • Reviewed on 6/19/2025

    Satisfied

  • Reviewed on 6/18/2025

    They are most caring.

  • Reviewed on 6/18/2025

    We love Dr. McMahon!

  • Reviewed on 6/17/2025

    Maryann McMahon Is fabulous!

  • Reviewed on 6/17/2025

    Always a pleasure to o see Dr. McMahon.

  • Reviewed on 6/14/2025

    This was my first visit with Dr. McMahon. I was looking for a new primary care physician. I will be happy to continue to see Dr. McMahon for my health care needs.

  • Reviewed on 6/13/2025

    Dr. McMahon is extremely knowledgeable and professional. She never rushes me, she listens to my concerns with interest and care. Dr. McMahon goes out of her way to care for her patients.

  • Reviewed on 6/13/2025

    Dr McMahon always takes time to listen & discuss. Luv her!

  • Reviewed on 6/13/2025

    Had a wonderful experience at my visit

  • Reviewed on 6/12/2025

    My provider (Dr. Mary Ann McMaho MD) and the entire staff of Cooper Heslth System are great professionals,period.

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