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William L Patterson

William L Patterson, DO

Family Medicine

Highlights

Age Groups Seen

  • Pediatrics
  • Teenagers
  • Adults
  • Geriatrics

Languages

  • English

Gender

Male

Locations

  1. Mass General Brigham Primary Care Clinic at Pembroke
    • phone: 781-826-8065
    • fax: 781-826-8043

Expertise

Education

  • Fellowship: Maine Medical Center (MaineHealth Network)***, Sports medicine, 2018
  • Residency: Maine Medical Center, Family Medicine, 2017
  • Medical Education: Nova Southeastern University of Osteopathic Medicine, 2014

Board Certifications

  • Family Medicine: American Board of Family Medicine, 2018

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
  • Blue Cross Blue Shield Medicare
  • Cigna
  • Commonwealth Care Alliance
  • Coventry
  • Fallon Health
  • Harvard Pilgrim Health Care
  • Humana
  • Mass General Brigham Health Plan
  • MassHealth
  • MassHealth ACO
  • Medicare
  • Medicare ACO
  • Multiplan
  • Railroad Medicare
  • Senior Whole Health
  • TriCare
  • Tufts Health Plan
  • Tufts Medicare Preferred
  • United Health Care
  • Wellpoint
  • WellSense

Ratings & Reviews

4.9 out of 5

263 ratings, 104 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

    Although we only have visits ~ once a year the continuity between visit is remarkable

  • Reviewed on 3/5/2026

    This was the first time that I spoke with Dr. Patterson. My PCP was not available. Because of the blizzard we did a virtual visit. He was familiar with my medical history before we spoke. He answered all of my questions and helped me to remedy the issues that I was having.

  • Reviewed on 2/26/2026

    Dr Patterson continues to be a phenomenal primary care professional and provider

  • Reviewed on 2/24/2026

    Dr. Patterson is a wonderful caring doctor. He takes his time with you and listens. He understands his patients and is not one who just passes you along to someone else. Dr. Patterson truly wants to help his patients. I am lucky to have him.

  • Reviewed on 2/24/2026

    Dr Patterson was very interested in our conversation and wished he could do more for us . [redacted]

  • Reviewed on 2/18/2026

    Dr Patterson is always very thorough discussing my medical history. He listens to my concerns and I'm very comfortable talking with him.

  • Reviewed on 2/18/2026

    Efficient and professional.

  • Reviewed on 2/16/2026

    Nothing I have been working with Dr. Patterson and he has been doing a great job.

  • Reviewed on 2/12/2026

    very satisfied

  • Reviewed on 2/11/2026

    Dr. Patterson is a world class provider! He makes plenty of time for his patients and truly cares about their well being.

  • Reviewed on 2/26/2026

    Dr Patterson was incredible!

  • Reviewed on 2/27/2026

    Very positive experience. Everything went well. Very smooth and expedient.

  • Reviewed on 2/27/2026

    He's very friendly and knowledgeable

  • Reviewed on 2/6/2026

    I was grateful for the time that the doctor spent with me.

  • Reviewed on 2/4/2026

    Very cortiouse and professional

  • Reviewed on 2/4/2026

    Dr. Patterson is knowledgeable, professional and cordial. He is an excellent listener and answers my concerns thoroughly with clarity and plain speaking. I'm [redacted] and have never encountered a better PCP. He's a [redacted] gem! [redacted]

  • Reviewed on 2/1/2026

    Everything as efficient and professional as usual.

  • Reviewed on 1/28/2026

    Dr. P was great as usual. Happy to be his patient!

  • Reviewed on 1/28/2026

    The doctor was thorough and compassionate. He answered my questions and those of my daughter who accompanied me. He made a small adjustment to one of my medications and this reduced the swelling in my feet.

  • Reviewed on 1/29/2026

    Dr. Patterson is a very good doctor. He listens to what you say. He's concerned about your care and overall always have a great meeting with him, a great visit. So thank you.

  • Reviewed on 1/29/2026

    Best primary care doctor and nurse's i have ever had

  • Reviewed on 1/27/2026

    Dr Patterson is professional and made me feel confident in his medical evaluation and recommendations. He was thorough in his explanations and has a good understanding of my overall health history. He is very proactive and pleased he is my primary physician.

  • Reviewed on 1/27/2026

    Always personable and professional, well prepared on background notes for continuity of care.

  • Reviewed on 1/16/2026

    I'm [redacted] years old and Dr. Patterson is the finest primary care provider I've ever had. I am absolutely thrilled with him. He's a great doctor. I'm so pleased. And I'm also very pleased with the facility in Pembroke. [redacted]

  • Reviewed on 1/15/2026

    Dr Patterson, Harbor/Medical-Mass. Gen. Brigham Pembroke, MA, is excellent. Knowledgeable, polite, friendly, great listener, just fantastic on all fronts!

  • Reviewed on 1/14/2026

    I like my provider but he was out a lot for the first two or three years because of paternity leave, but I think he is all through with that part of his life. I get along with him very well.

  • Reviewed on 1/13/2026

    The doctor was excellent he explained everything about my medical care to me .the doctor answered all of my questions.my visit could not have gone any better. I am totally satisfied

  • Reviewed on 1/10/2026

    My visit was very timely and efficient. [redacted] Dr. Patterson is a very nice doctor who seems quite personable and knowledgeable. I have been seeing him for a few years. My only negative sentiment is that for an annual exam, it seems much too quick. I do not blame Dr. Patterson. I know there are time limits put on the visits that are out of his control. [redacted]

  • Reviewed on 1/9/2026

    Dr Patterson is extremely knowledgeable and a caring provider. Completely satisfied with him and the whole visit.

  • Reviewed on 1/5/2026

    Amazing. Listened carefully and appeared to be very sincere

  • Reviewed on 1/4/2026

    Dr. Patterson was amazing. I had never seen him before. He was very thorough. He had already checked my chart before I got there. He had lots of information to share and was going to further talk with my cardiologist, Dr. [redacted]. Very happy with having seen Dr. Patterson for the first time.

  • Reviewed on 12/31/2025

    Very thorough, asked questions to to make the correct diagnosis, made recommendations as to testing then followed up with the results.

  • Reviewed on 12/31/2025

    knowledgeable,congenial,self-confident

  • Reviewed on 12/31/2025

    Nothing. It was a great experience

  • Reviewed on 12/29/2025

    He spoke to me as a friend and I trust him completely

  • Reviewed on 12/25/2025

    Patterson is the best!

  • Reviewed on 12/25/2025

    excellent treatment

  • Reviewed on 12/24/2025

    The GOAT

  • Reviewed on 12/22/2025

    Great care

  • Reviewed on 12/20/2025

    All good

  • Reviewed on 12/19/2025

    Good visit

  • Reviewed on 12/17/2025

    Doctor was very informative and patient. He was an excellent communicator and listener.

  • Reviewed on 12/19/2025

    Hello, this doctor, Dr. Patterson, is very good. He understands, he listens to what I have to say, he helps me understand what is going on. Very personable, very informative, and I would highly recommend him to someone else that needed that, needed primary care. And the nurse was also very excellent, very informative, and very polite. And I could give everyone a five. I would have given everybody a five.

  • Reviewed on 12/17/2025

    Excellent.

  • Reviewed on 12/16/2025

    Always listens and provides helpful feedback.

  • Reviewed on 12/16/2025

    Thank you for being so kind and accepting and very nice. I've recently been going through a lot, so it's always reassuring that my doctor is open-minded and able to listen to me.

  • Reviewed on 12/14/2025

    Dr Patterson always listens and responds attentively and appropriately to my questions and concerns. He seems to have an inquisitive approach, and works to make sure he's addressing and understanding what I'm asking or broaching with him.

  • Reviewed on 12/12/2025

    Provides expertise and care on a wide range of health issues. Listens. Communicates clearly. Offers perspectives on potential root sources of concern to me.

  • Reviewed on 12/11/2025

    Yeah, hi. Dr. Patterson is a great guy. I love the office. I love him. The nurses are great. [redacted]

  • Reviewed on 12/7/2025

    Dr. Patterson is such a caring person. He knows all about my medical problems so I know he reads my medical history.

  • Reviewed on 12/1/2025

    Dr. Patterson is an excellent clinician. He listens to me. He acknowledges my concerns. He provides options. He's extremely thorough and I appreciate the patient-physician dialogue.

  • Reviewed on 11/30/2025

    I saw this provider for the first time because my PC was unavailable . This was a follow up visit after hospital discharge. Dr Patterson had contacted my PC to make her aware that he was seeing me. Prior to my visit he had reviewed my entire medical history. He was very thorough caring and extremely knowledgeable. He spent quite awhile with me and has an awesome bedside manner. [redacted]

  • Reviewed on 11/27/2025

    All alway good!

  • Reviewed on 11/26/2025

    Dr Patterson is very easy to communicate with on all matters. Very professional and understanding.

  • Reviewed on 11/23/2025

    Went very good

  • Reviewed on 11/22/2025

    Dr Patterson is truly the Best PCP!

  • Reviewed on 11/22/2025

    Dr Patterson is very attentive and listens very personable, appears to really care about my health

  • Reviewed on 11/20/2025

    Provider was thorough and patient and very knowledgeable.

  • Reviewed on 11/19/2025

    This was my first visit with Dr. Patterson and I was extremely impressed with his knowledge, concern, options, and follow-up message. He is extremely careful and I appreciated his follow-up and knowledge of possible reasons for my pain.- It appears he was right. Many thanks, [redacted]

  • Reviewed on 11/19/2025

    I'm very fortunate to have Dr, Patterson as my Primary Care Physician. He's unbelievable. Hopefully he continues to be my Primary Care Provider. For many years to come.

  • Reviewed on 11/19/2025

    This was a very positive experience.

  • Reviewed on 11/17/2025

    Excellent Medical Care

  • Reviewed on 11/16/2025

    Fine interaction...very professional and knowledgeable..

  • Reviewed on 11/15/2025

    The doctor looked beyond what I reported and discovered and treated other issues.

  • Reviewed on 11/12/2025

    Dr Patterson is a wonderful doctor kind caring and attentive

  • Reviewed on 11/12/2025

    Good visit and thourghal

  • Reviewed on 11/12/2025

    I'm very happy with Dr. Patterson.

  • Reviewed on 11/9/2025

    Always a good experience

  • Reviewed on 11/7/2025

    I love this place!!!

  • Reviewed on 11/7/2025

    Dr. Patterson is an excellent PCP. He's attentive and interacts with questions and concerns. He is excellent at explaining my health conditions and blood work follow-up.

  • Reviewed on 11/5/2025

    Excellence all around

  • Reviewed on 11/6/2025

    Very thorough and gave me the needed time.

  • Reviewed on 11/5/2025

    Dr Patterson is the best doctor in the business.

  • Reviewed on 11/11/2025

    my doctors are phenomenal

  • Reviewed on 11/6/2025

    I feel like my health is in good hands. I like Dr. Patterson. I like the nurses that I saw. And overall, it was just a great experience. So two thumbs up. Kudos to all.

  • Reviewed on 11/5/2025

    Dr P is such a professional. A great bed side manner. Very easy to talk to. Wish my wife could get in his practice but know hes jammed with max number of patients.

  • Reviewed on 11/3/2025

    Pleasant experience with a very competent physician and an excellent nurse

  • Reviewed on 10/30/2025

    All good.

  • Reviewed on 11/1/2025

    Responsive to my questions

  • Reviewed on 10/29/2025

    Overall good experience

  • Reviewed on 10/15/2025

    He listens & guides me.

  • Reviewed on 10/15/2025

    Dr. Patterson is thorough, friendly, and a good listener. He went through the notes with me as a great summary of the visit. Second time I've seen him, and very impressed with his knowledge and interaction.

  • Reviewed on 10/11/2025

    very happy with dr p, listened to me and i felt heard

  • Reviewed on 10/9/2025

    Great staff. Smart people

  • Reviewed on 10/9/2025

    Dr Patterson was amazing, as he always is

  • Reviewed on 10/8/2025

    Excellent doctor Listens and takes his time with me

  • Reviewed on 10/4/2025

    Dr. Patterson was very kind, listened to all my concerns and helped me realize I need to schedule a colonoscopy. Thank you Dr. Patterson and your team was very kind. [redacted]

  • Reviewed on 10/3/2025

    Dr. Patterson is amazing and so are the nurses and front desk staff

  • Reviewed on 10/1/2025

    Though and professional.

  • Reviewed on 9/27/2025

    He was so easy to talk to, and he listened to all my questions which I had a list for him. He paid a lot of attention to each one of those questions and then made me appointment for a follow up for MRI.

  • Reviewed on 9/17/2025

    Dr Patterson, reviewed my medical records before coming in. Dr Patterson as always is very thorough and professional. You can talk to him like a FRIEND.

  • Reviewed on 8/20/2025

    Always satisfied with the care afforded me by Dr Patterson and staff at MGH/ B&W.

  • Reviewed on 8/20/2025

    Very satisfied.

  • Reviewed on 8/10/2025

    Looking forward to my next visit

  • Reviewed on 8/8/2025

    Dr. Patterson is very attentive, understanding, and very supportive of my [redacted]-year-old father. I answered the survey in helping my father understand it, and we went through it. And I just want to say that Dr. Patterson has been an asset to his medical care.

  • Reviewed on 8/3/2025

    good

  • Reviewed on 7/28/2025

    The provider was excellent, however I need to provide input regarding the bloodwork. The women who took the bloodwork did not do a good job, and I have some horrific bruising on my arm that is worse each day. I sent an image of the initial wound to my PCP. I've never had issues getting blood drawn before and this is completely unacceptable.

  • Reviewed on 7/27/2025

    Nothing my care has been very good and I'm happy with everything.

  • Reviewed on 6/18/2025

    Caring and knowledgeable

  • Reviewed on 6/11/2025

    I am sad Dr Patterson is not taking new patients! It was a great experience.

  • Reviewed on 6/7/2025

    I want to switch to Dr Patterson for my primary that's how wonderful I thought he was

  • Reviewed on 6/5/2025

    Love having Dr Patterson as my primary care doctor.

  • Reviewed on 5/30/2025

    Dr. Patterson is a very professional and caring doctor.

  • Reviewed on 5/22/2025

    Very professional.