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William S Maher

William S Maher, MD

Internal Medicine

Highlights

Languages

  • English

Gender

Male

Locations

  1. Mass General Brigham Primary Care Clinic at Wellesley

Expertise

Education

  • Residency: David Geffen School of Medicine at UCLA***, Medicine, 1994
  • Internship: David Geffen School of Medicine at UCLA***, Medicine, 1992
  • Medical Education: Georgetown University, 1991

Board Certifications

  • Internal Medicine: American Board of Internal Medicine, 1994

Insurance

This provider may accept more insurance plans than shown. Please call the practice to find out if your plan is accepted.
Search plans
  • Aetna
  • Blue Cross Blue Shield
  • Cigna
  • Coventry
  • Harvard Pilgrim Health Care
  • Mass General Brigham Health Plan
  • MassHealth
  • MassHealth ACO
  • Medicare
  • Medicare ACO
  • Multiplan
  • Tufts Health Plan
  • Tufts Medicare Preferred
  • United Health Care
  • Wellpoint

Ratings & Reviews

4.9 out of 5

354 ratings, 138 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.

How likely would you be to recommend this provider to your family and friends?
Search reviews
  • Reviewed on 3/2/2026

    Excellent care.

  • Reviewed on 3/4/2026

    Dr. Maher is an excellent health care provider.

  • Reviewed on 3/2/2026

    Dr. Maher is a very knowledgeable and kind doctor. I trust him and can ask him anything and he will explain everything to me! He makes going to the doctor seem calm with his very patient information that the person needs to hear.

  • Reviewed on 2/25/2026

    Completely trust my primary care MD

  • Reviewed on 2/25/2026

    I'm continually grateful to have Dr Maher as my PCP for so many years.

  • Reviewed on 2/19/2026

    He has always been extremely professional,kind and caring,friendly and genuinely interested in me as a patient and a person.

  • Reviewed on 2/18/2026

    All was good I look forward to my surgery and "hopefully" regaining a bit more of use in my hand

  • Reviewed on 2/15/2026

    On time thorough, and spent enough time with me

  • Reviewed on 2/8/2026

    A smooth experience to complete the procedure.

  • Reviewed on 2/2/2026

    He was an excellent doctor. [redacted]

  • Reviewed on 1/31/2026

    Always a great experience!

  • Reviewed on 1/29/2026

    Will Maher is exactly what I want to see in a Primary Care doctor. He answers all my questions, knows my history, suggests all the next things to consider and refers me out without difficulty.

  • Reviewed on 1/23/2026

    Yes, I would just like to have more, I would like to have more examinations that we used to have in the past, like checking the fingers, the toes, eyes, and that is not done now. I don't know if that has been stopped, but that's what I'd like to know. And also, we used to get urinalysis and everything included, but that seems to have passed.

  • Reviewed on 1/17/2026

    Dr. Maher was extremely attentive and pragmatic. I feel very fortunate to be his patient.

  • Reviewed on 1/17/2026

    Very professional with great listening skills

  • Reviewed on 1/14/2026

    Great customer service & experience.

  • Reviewed on 1/10/2026

    Nice person . I feel lucky to have him as my PCP. Very knowledgeable about my medical record

  • Reviewed on 1/7/2026

    He is always there and ready to help and listens very well. I feel like I have been seen. I come all the way from [redacted] to get care [redacted] It's worth traveling the distance. Thank you.

  • Reviewed on 1/5/2026

    Good Doctor. I was lucky to find Dr. Maher.

  • Reviewed on 1/4/2026

    Dr. Maher has been my primary doctor for many years and have full faith in the he offers to me.

  • Reviewed on 1/4/2026

    It was a very good visit and my needs were met.

  • Reviewed on 1/4/2026

    Dr Maher is thorough, calm, listens and follows up

  • Reviewed on 1/1/2026

    Very organized office providing excellent care.

  • Reviewed on 12/28/2025

    Had excellent care.

  • Reviewed on 12/21/2025

    Dr. Maher has been my PCP for many years now. I don't think I could possibly find a physician I would prefer. Nine years ago I moved my residence to a location four times further away from the Newton-Wellesley area. I travel an hour often in heavy traffic to see Dr. Maher because I absolutely feel that he listens to concerns. I value the doctors patient relationship I have with him greatly.

  • Reviewed on 12/15/2025

    Worked out good

  • Reviewed on 12/12/2025

    I have been seeing Dr Maher for 20 years and have devastating a strong relationship with him.

  • Reviewed on 12/11/2025

    I find Dr. Maher to be a very professional and caring provider. I'm very comfortable with Dr. Maher. He has been my doctor for a number of years now and I really find that he's great.

  • Reviewed on 12/11/2025

    Dr Maher explained the pros and cons of the new medication he was suggesting. He listened to my concerns and calmly stated the benefits to my situation. He was well prepared and knowledgeable about my current health issues. He gave me a positive boost and outlook

  • Reviewed on 12/9/2025

    Responsive and supportive to my concerns about my several medical issues.

  • Reviewed on 12/11/2025

    Very much happy to have Dr. Maher as my main doctor. Intelligent, informed, empathetic, just a great guy. I really, we have good conversations. I think he's interested in me as a human being as well as a patient and just really glad to have him as my GP.

  • Reviewed on 12/9/2025

    He is a very good listener and is always willing to discuss any concerns I may have.

  • Reviewed on 12/3/2025

    Never rushed. Seems as though he really cares about my health. Would recommend him without reservation

  • Reviewed on 12/3/2025

    Dr Maher listens to my concerns and made a couple of changes for my prescriptions.

  • Reviewed on 11/30/2025

    Satisfied.

  • Reviewed on 11/24/2025

    I have been a patient with Dr/Maher for many years. He is responsive and easy to speak with, a lovely and concerned physician. If I may add; some of the previous questions, are not necessarily applicable.

  • Reviewed on 11/23/2025

    Doctors were very attentive to my needs and were concerned about not causing any more pain than necessary

  • Reviewed on 11/23/2025

    Dr Maher listened carefully. He explained procedures that might take place after his referral to a specialist. Especially though, he was prepared by reviewing medical info and dates of service for my complaint. Impressive.

  • Reviewed on 11/22/2025

    He is an excellent doctor and person.

  • Reviewed on 11/22/2025

    Dr maher has been my P C P for many years. He also provides care for my 2 sons. Good physician and has great bed side manners.

  • Reviewed on 11/19/2025

    Outstanding professional care. The patient is always first.

  • Reviewed on 11/20/2025

    I was very happy with Dr. Maher.

  • Reviewed on 11/16/2025

    Best doctor ever!!!!

  • Reviewed on 11/12/2025

    Very thorough! Very helpful.

  • Reviewed on 11/12/2025

    Dr. Maher called me personally the evening of my appointment and filled me in on some information. I am more than happy with him as my doctor. I can't say enough good things about him. Thank you.

  • Reviewed on 11/8/2025

    He was coureous, helpful and knowledgable.

  • Reviewed on 11/11/2025

    Listens to my questions and answers in a intelligent manner

  • Reviewed on 11/7/2025

    My experience with Dr Maher and his staff is complete and informative. They covered all of my questions with clear explanations.

  • Reviewed on 11/5/2025

    Dr Maher is a kind, compassionate and knowledgeable doctor

  • Reviewed on 11/7/2025

    Very positive experience

  • Reviewed on 11/5/2025

    I was seen quickly and easily. Dr. Maher is very kind and thorough. I have been a patient of his for many years and been very happy.

  • Reviewed on 11/5/2025

    Dr. Maher remembered and had reviewed my survey so that he knew what to ask about--not always the case with many Drs.

  • Reviewed on 11/3/2025

    He was on time and very easy to talk to. He listened to my concerns.

  • Reviewed on 10/31/2025

    Everyone is great. One thing to point out about this survey: there's a question re "your prescriptions." I don't have any prescriptions. You should offer "N/A" as a possible answer.

  • Reviewed on 10/29/2025

    Dr. Maher has been my PCP for about 20 years. I value and appreciate the care he provides. He knows me, he knows about my family and my history. We have a really good doctor / patient relationship.

  • Reviewed on 10/27/2025

    Great experience

  • Reviewed on 10/26/2025

    Great guy. Puts patients at ease.

  • Reviewed on 10/28/2025

    Been seeing Dr. Maher for years. No issues at all.

  • Reviewed on 10/27/2025

    I've been seeing Dr. Maher since he took over for Dr. [redacted] decades ago. I've always been happy and feel confident in the excellent care that Dr. Maher provides.

  • Reviewed on 10/26/2025

    Professional

  • Reviewed on 10/25/2025

    Dr. Maher is direct, professional and makes you feel at ease. When needed, he suggests follow-through that makes sense.

  • Reviewed on 10/24/2025

    Dr. Maher is a very special person who cares for his cpatients

  • Reviewed on 10/23/2025

    Very understanding and helpful

  • Reviewed on 10/23/2025

    Dr Maher is very caring. You feel like he knows you and he doesn't rush you. He is also responsive with questions. Additionally , he is on time, and the office is run well

  • Reviewed on 10/22/2025

    Friendly positive and professional

  • Reviewed on 10/20/2025

    He always speak honestly, friendly, and knowledgeably. I have trust in him on providing me his opinions.

  • Reviewed on 10/20/2025

    Dr Maher and his nurse are very good!

  • Reviewed on 10/16/2025

    Dr. Maher is one of the most professional and likable doctors that I have.

  • Reviewed on 10/8/2025

    Excellent, patient, great listener

  • Reviewed on 10/10/2025

    Dr. Maher has been a fantastic physician for many years. I've enjoyed going to him. His professionalism, his knowledge, his understanding and support have been unrivaled. He's fantastic and you're lucky to have him. Thanks.

  • Reviewed on 10/8/2025

    It was a great experience.

  • Reviewed on 10/8/2025

    I have been a patient of Dr. Maher for 20+ years I believe. He is patient, knowledgeable and very helpful to my husband and I.

  • Reviewed on 10/2/2025

    A caring medical professional

  • Reviewed on 9/28/2025

    The best

  • Reviewed on 9/28/2025

    Dr. Maher is respectful and listens to my concerns. I have seen Dr. Maher for years and always find he is very responsive to my concerns and prompt with his knowledgeable responses..

  • Reviewed on 9/26/2025

    Dr. Maher continues to be one of the best doctors I have ever had. I drive an hour to see him because I trust that I will get the best care. In addition to being a highly skilled physician whose judgment I trust, he is always kind and respectful.

  • Reviewed on 9/22/2025

    Dr. Maher has been my PCP for many years and always takes time, listens well and provides excellent care. I feel very lucky to have him as my PCP

  • Reviewed on 9/22/2025

    Dr. Maher has been my pcp for a long time. He replaced Dr. [redacted] another great physician. I only hope Dr. Maher will be there for me going forward.

  • Reviewed on 9/20/2025

    The receptionist was most pleasant and courteous, relentlessly cheerful and dutifully respectful. The attending nurse was also pleasant and cheerful, courteous and respectful, and answered mostly articulately my questions. But Dr. Maher is the supreme physician: thoughtful, compassionate, patient-centric, inquisitive, conversational, solicitous, and helpful. Moreover, Dr. Maher was helpful in making recommendations and referrals for my additional inquiries which required a specialist's knowledge and experience.

  • Reviewed on 9/20/2025

    They are always friendly and ready to help

  • Reviewed on 9/20/2025

    Great job!

  • Reviewed on 9/17/2025

    Dr Maher is everything I hope for in a personal physician

  • Reviewed on 9/17/2025

    he was very professional but with a warm and friendly manner

  • Reviewed on 9/17/2025

    I appreciate Dr. Maher's medical expertise and kind manor.

  • Reviewed on 9/13/2025

    Dr. Maher knows my medical history thoroughly, reviewed my medications, recommended appropriate vaccines, ordered blood work, and did a comprehensive physical examination. He is knowledgeable and compassionate. I could not have a better physician caring for me.

  • Reviewed on 9/13/2025

    He listened, gave care options, understood my requests, responded to my chief complaint plus a review of other stable issues.

  • Reviewed on 9/11/2025

    Been with Dr. Maher for over 20 years. He is one of the best and has been the greatest PCP to have all these years that I could ever have hoped for.

  • Reviewed on 9/10/2025

    Everyone was very professional and cordial

  • Reviewed on 8/29/2025

    I just think that Dr. Maher is very kind and thoughtful and I absolutely recommend him to friends and family if they are looking for a physician. I highly recommend him and feel very lucky to be his patient.

  • Reviewed on 8/27/2025

    Dr. Maher always provides a thorough examination and listens very well to my concerns. He is proactive in providing care and recommendations to improve my health.

  • Reviewed on 8/25/2025

    Staff failed to call me back to schedule an office visit to address a physical condition.

  • Reviewed on 8/24/2025

    He always addresses my concerns and is willing to answer any of my questions.

  • Reviewed on 8/24/2025

    Been going to my providers office for many years, very pleased ..

  • Reviewed on 8/23/2025

    Dr. Maher answered all my questions

  • Reviewed on 8/15/2025

    Doctor answered all my questions appropriately

  • Reviewed on 8/14/2025

    Did a careful diagnosis, ordered appropirate tests, and set a set time for a follow up. Did everything one could hope for.

  • Reviewed on 8/11/2025

    Dr. Maher is a kind and compassionate doctor. He listens to me and involves me in decision making. Highly recommend.

  • Reviewed on 8/10/2025

    Dr Maher arranged an EKG based on listening to my heart. That was re-assuring. And a follow-up Echo Gram.

  • Reviewed on 8/10/2025

    Everything was satisfactory and covered.

  • Reviewed on 8/9/2025

    I'm glad I was referred to him

  • Reviewed on 8/9/2025

    My primary physician is great to deal with Dr. Bill Maher

  • Reviewed on 8/7/2025

    Dr Maher always takes as much time as necessary to answer any and all questions I may have....I really appreciate the care I get from him

  • Reviewed on 8/6/2025

    Very friendly, professional, and thorough. Always happy with Dr Maher.

  • Reviewed on 8/4/2025

    Dr. Maher is always punctual and I was a little early this visit and I was taken in a few minutes early. I greatly appreciate him being on time and not making me wait and wait and wait. Thank you Dr. Maher.

  • Reviewed on 8/2/2025

    I feel very comfortable with his knowledge

  • Reviewed on 7/25/2025

    Dr. Maher provides me with excellent care

  • Reviewed on 7/24/2025

    A plan was created

  • Reviewed on 7/23/2025

    Dr. Maher has been my doc for many years and takes excellent care of me and my medical issues. He is attentive, professional, and good natured in all of my appointments. A great doc!

  • Reviewed on 7/17/2025

    My doctor is the best!!!

  • Reviewed on 7/14/2025

    I just want to say thank you to Dr. Maher, who's been with me a while now, and I'm very comfortable.

  • Reviewed on 7/11/2025

    I receive excellent care from Dr Maher.

  • Reviewed on 7/8/2025

    Prompt, professional, fabulous!

  • Reviewed on 7/7/2025

    The experience was great and everyone was very helpful. Phlebotomist was quick and great to talk with. Overall great team and very helpful across the board.

  • Reviewed on 7/6/2025

    Very observant, great listener, and very empathetic.

  • Reviewed on 7/5/2025

    Dr.Maher was extremely attentive and knowledgeable about my needs therapies needed for my care.

  • Reviewed on 7/2/2025

    Waiting on appointment for colonoscopy and bloodwork.

  • Reviewed on 6/30/2025

    Excellent work

  • Reviewed on 7/3/2025

    Everthing was fine

  • Reviewed on 7/2/2025

    Dr. Maher is very pleasant and listens well. He's efficient without seeming rushed.

  • Reviewed on 6/28/2025

    First time ever seeing this provider so difficult to get a true assessment. But on this particular visit care was very good.

  • Reviewed on 6/25/2025

    Dr. Maher listened to everything I had to say. He answered all my questions. He is a very caring doctor

  • Reviewed on 6/22/2025

    Who ever puts out this survey should know this visit with my primary care doctor was basically a preop visit only. However, Dr. Maher is always terrific!

  • Reviewed on 6/20/2025

    I was very happy with the framework and approach that the doctor and I took to try and analyze some recent issues and hopefully we will get it all sorted out.

  • Reviewed on 6/19/2025

    Dr. Maher is the best,

  • Reviewed on 6/11/2025

    Dr. Maher was very attentive, listened carefully, and provided feedback and options that were easy to understand, including referrals.

  • Reviewed on 6/8/2025

    It has been a very comfortable experience coming to see him over the recent years.

  • Reviewed on 6/7/2025

    Never rushed.

  • Reviewed on 6/9/2025

    This provider talks to me, listens to me and ask me if I have any concerns or issues. He does talk to me but it's always no more than 15-20 minutes and then he's out of there. I figure it's the hospital rules where they can only spend so much time with you and then it's on to the next patient.

  • Reviewed on 5/28/2025

    Like Dr Maher very much! Common sense, knowledgeable very easy to talk to.

  • Reviewed on 5/26/2025

    Positive visit

  • Reviewed on 5/26/2025

    Excellent care, very attentive

  • Reviewed on 5/20/2025

    Excellent care

  • Reviewed on 5/14/2025

    I had never seen this provider but had a very nice experience with him.

  • Reviewed on 5/16/2025

    Dr. Maher is very knowledgeable, and I have been going to him for many years. I am very satisfied.

  • Reviewed on 5/19/2025

    Dr. Maher is first rate. My experience in his care has been the best with any PCP who has been responsible for my care.

  • Reviewed on 5/10/2025

    He understands my health situation

  • Reviewed on 5/7/2025

    On time and thorough

  • Reviewed on 5/2/2025

    I appreciate the fact that he truthful without being an alarmist