Hanno P Muellner, MD

Hanno P Muellner, MD

Not currently accepting new patients

4.901111 average rating from 360 patient reviews

Specialties

Affiliation

Mass General Brigham

Provider Locations

  • Williamsburg, MA

Education & Training

  • Residency: NYU Medical Center@, Internal Medicine, 1997
  • Medical Education: University of Massachusetts T.H. Chan School of Medicine***, 1994

Board Certifications

  • Internal Medicine, American Board of Internal Medicine

Languages Spoken

  • English

Age Group Treated

  • Adults

Patient Feedback

4.901111 average rating from 360 reviews

  • Hanno Muellner, MD, doctor, and his staff are wonderful people that provide wonderful care and I'm lucky to have them as my provider. Thank you.

    2026-10-05

  • I find that Dr. Muellner is both attentive and aware of the medical industry in our surrounding area so that he can refer me to other people with both confidence and expertise.

    2026-09-30

  • It was fantastic!

    2026-10-01

  • He is wonderful.

    2026-09-29

  • I continue to be grateful that Hanno Muellner is my doctor.

    2026-09-28

  • Dr. Hanno Muellner is the best!

    2026-09-26

  • As a person that has always disliked going to drs offices I'm very comfortable at this office

    2026-09-26

  • Dr Muellner is a great primary physician

    2026-09-26

  • Dr. Muellner is a terrific listener and provides direct information helpful for providing appropriate health outcomes.

    2026-09-26

  • Always a good experience with Dr Muellner.

    2026-09-26

  • He was very interested in me and asked excellent questions.

    2026-09-23

  • [redacted] I've appreciated Hanno Muellner for more than a decade that I've been his patient. [redacted]

    2026-09-25

  • Dr. Hanno Muellner was great, even though I hadn't seen him in 2yrs. Its a great practice, which took me years to find. He spent a good half hour with me during which there was an important back and forth about where I hurt, recent experiences and life style.

    2026-09-19

  • Dr. Muellner is attentive and personable. He listens to concerns, tells you his opinion, and makes suggestions as to what to do next. I always feel heard and taken care of.

    2026-09-16

  • Fabulous

    2026-09-10

  • He is easy to talk to, listens well, and knows a lot.

    2026-09-01

  • Always a good experience.

    2026-08-31

  • I feel grateful to be able to attend this practice not far from my home in the hilltowns. The atmosphere is friendly and personal, yet professional and efficient. Dr. Muellner and everyone I interacted with were kind and helpful.

    2026-08-29

  • Best Dr and staff ever

    2026-08-24

  • He is always responsive to any of my questions about any issues I may be having he is very good with me always

    2026-08-24

  • He is relaxed and easy to get along with

    2026-08-22

  • Hanno Muellner is the best doctor I've seen. He listens and makes logical decisions. He makes sure that you are safe and he makes sure to provide you with the tools you need like referrals, etc., in a timely manner, actually in a much better than timely manner and he's just a wonderful doctor.

    2026-08-07

  • Dr H. knows me well so very little back info is needed. He talks knowing I do not have a medical degree. Many in the office know me well also. Always comforrable there.

    2026-08-05

  • I feel that he was very interested in what I was saying and responded appropriately.

    2026-07-30

  • They are always very helpful and listen

    2026-07-29

  • Best Doc that I have had.

    2026-07-30

  • He listens to what you have to say

    2026-07-29

  • Easier to talk with than my previous Dr.

    2026-07-27

  • This was my first, "meet and greet"appointment with Dr. Muellner, his support team of nurses and reception staff, which from beginning to end was a very pleasant, refreshing and positive experience.

    2026-07-28

  • Dr. Muellner is the best of the best and his office staff are equally amazing ... nurse practitioner par excellence

    2026-07-21

  • I am so used to getting my results on the patient portal when Dr Muellner called I thought it was really, really bad news at 6:30 at night. I was so appreciative to have a discussion over good news.

    2026-07-22

  • Yes, I'd just like to say to Dr. Hann Muellner, very, very professional. You couldn't get a better doctor and his staff. Follow-up, kindness, courtesy. They explain everything fantastic. I'm very lucky I have Hannah Muellner as my physician. I couldn't be any happier.

    2026-07-22

  • Always a good experience.

    2026-07-15

  • I'm [redacted]. Dr. Muellner is certainly as fine a doctor as any I've had the good fortune to work with.

    2026-07-15

  • Always knowledgable and professional. Shows clear interest in my well- being

    2026-07-10

  • Since we've been coming to this office, we've always been treated with respect and always are followed up with our questions, we never have to wait. We are lucky to have Dr. Muellner and his staff who obviously care about their patients.

    2026-07-10

  • Dr. Muellner takes his time explaining things in a clear and simple way and answers all my questions.

    2026-07-01

  • Dr Muellner is a fantastic doctor!

    2026-07-01

  • Dr Muellner is the best physician I have ever had. His knowledge and his ability to speak as a human being is excellent!

    2026-07-01

  • Dr Muellner is excellent.

    2026-07-01

  • I've been with this provider about 12 years, never had a problem, always professional, always on time, and I have provided or recommended this provider to family and friends in the past, and will continue to do so in the future. Excellent provider.

    2026-06-22

  • Dr. Muellner was kind, professional, and knowledgeable

    2026-06-22

  • Great care provider. Would recommend to my family and friends.

    2026-06-21

  • Everything went great! Starting all the way from the notifications about the appointment to the receptionist, helpful, and friendly attitude. The medical assistant was quick and courteous, and the doctor was friendly, considerate, and answered all my questions. I am very pleased.

    2026-06-21

  • The provider was extremely thorough in discussing all of my care!

    2026-06-18

  • Helpful and conscientious.

    2026-06-15

  • My experience was very good. I was seen in a timely manner and Dr.Muellner really listens to my concerns.

    2026-06-15

  • Have been seeing Dr Muellner for many years. Both he and his staff are excellent.

    2026-06-11

  • Dr. Muellner, without fail, shows interest in my health and takes care to provide helpful advice and support.

    2026-06-09

  • I am very satisfied with my provider.

    2026-06-10

  • Dr. Muellner and his staff were great at my appointment and they have always been responsive to my medical needs on Gateway. Thank you so much! [redacted]

    2026-06-09

  • Dr. Muellner is always thoughtful and professional.

    2026-06-07

  • I've seen Dr. Muellner for many years. He is easy to talk to, kind, sympathetic and respectful. I'm completely satisfied with him as my Primary Care doctor.

    2026-06-07

  • He lets me set the agenda

    2026-06-06

  • Great!

    2026-06-03

  • Dr. Muellner is a compassionate, extremely knowledgeable, responsive professional who clearly cares about his patients! I've been working with him for decades now and I always feel that he is thoughtful and listens extremely well. I value his advice and expertise and look forward to continuing our relationship.

    2026-06-03

  • He is the best. He follows through on all concerns, issues etc.

    2026-06-04

  • EVERYONE WAS AWESOME!!!!??????

    2026-05-27

  • Great medical team

    2026-05-28

  • Hanno is a fine physician. He listened, asked good questions and addressed my concerns.

    2026-05-27

  • Hanno Muellner is a fantastic doctor, the best I've seen in my lifetime, and I feel fortunate to have him as my doctor.

    2026-05-29

  • Entire staff is always courteous and professional.

    2026-05-21

  • I Think Dr. MUELLNER and his staff and nurses are knowledgeable and well-informed. IN ADDITION, THEY ARE VERY KIND, RESPECTFUL OF THEIR PATIENTS, AND ALWAYS HELP IF I NEED TO SCHEDULE AN APPOINTMENTS. THEY ARE RESPONSIBLE AND PROVIDE THEBEST CARE POSSIBLE.

    2026-05-22

  • excellent

    2026-05-21

  • I love this medical practice...everyone is awesome.

    2026-05-20

  • I love this family practice. Dr Muellner was excellent-I felt my well being was of upmost importance.

    2026-05-18

  • Always a good listener, respectful and has positive outlook

    2026-05-14

  • Dr. Muellner is always helpful when I need a blood test for my oncologist. The test will be ordered immediately and then faxed to my oncologist at Trinity. Its very helpful for me in coordinating my care.

    2026-05-11

  • The best!

    2026-05-11

  • Thorough and an excellent listener.

    2026-05-09

  • Nice guy. I think he knows what he's doing

    2026-05-09

  • Dr. Muellner has been my primary care doctor for many years. I feel lucky to have him. He is an excellent doctor in every way.

    2026-05-07

  • Dr. Muellner is the BEST MD I have ever had! He has always been fantastic.

    2026-05-05

  • Best doctor in the whole world, best office, professional office I've ever dealt with. I cannot say enough good things about Dr. Muellner and his staff.

    2026-05-04

  • He always listens

    2026-05-01

  • As always, I thought Dr Muellner is a terrific doctor.

    2026-04-29

  • All good

    2026-04-28

  • A great experience all around. All engaging and professional. [redacted] Thank you!

    2026-04-27

  • I have always had good experience when seeing Dr Muellner. He sees me promptly, is thorough and attentive, is respectful and allows ample time for the visit.

    2026-04-26

  • I have the best care I could hope for for 20+ years with this dr.

    2026-04-22

  • EVERY THING WAS FIND

    2026-04-21

  • Dr Muellner has been my PCP for many years. My care has always been absolutely top notch. Hanno Muellner is a superstar.

    2026-04-14

  • I wish all doctors offices were as reachable and responsive as the office and staff here in Williamsburg.

    2026-04-10

  • Excellent experience with my healthcare provider thank you very much

    2026-04-08

  • Dr Muellner is great! He always listens and treats me with respect I'm thankful to have an amazing provider!

    2026-04-07

  • Dr Muellner is a fine physician who listens , asks appropriate questions and offers concrete suggestions for how to address my medical needs. I am grateful that he is my physician

    2026-04-06

  • Long time GP. Knows me very well. Responds to requests promptly, even while traveling through the Mass General Brigham app.

    2026-04-01

  • Mine was a telephone visit. Because of an injury, I could not travel. under the circumstances, this was a good way to have an appointment.

    2026-03-31

  • Dr Muellner is very thorough and listens.

    2026-04-02

  • Always takes the time to listen, and adjust care as needed.

    2026-04-01

  • Dr Muellner is great. He always makes me feel seen and heard. He's kind and knowledgeable.

    2026-03-31

  • Dr. Muellner is the best Primary Care Physician I have ever known and is far better than things I hear about many local PCPs.

    2026-03-30

  • A Winner

    2026-03-28

  • Dr. Muellner always shows real concern for my condition and provides information about results and medication very promptly.

    2026-03-26

  • Friendly, empathetic, good listener.

    2026-03-26

  • Great doctor, and I recommend him to people. Very thoughtful and warm.

    2026-03-23

  • Dr. Muellner strikes me an extremely competent and approachable doctor.

    2026-03-23

  • Excellent. Knowledgeable, personable and too notch

    2026-03-17

  • I stay with this practice because of the great care I am given.

    2026-03-19

  • Doc Muellner always has answers to my questions.

    2026-03-19

  • Comfortable

    2026-03-18

  • I always feel safe in the care I get from anyone I have been assigned to in that group.

    2026-03-16

  • Honesty. Willing to go against what other doctors advise.

    2026-03-14

  • Excellent through many years. [redacted] Dr Mueller listens and gives his time. Smart. Sense of humor. The practice gives off a personal caring atmosphere. In no way fancy or slick.

    2026-03-11

  • Dr. Muellner is excellent and the appointment went very well. The only glitch was the Zoom was not working properly, so we ended up doing a phone telehealth appointment. The only mild complaint I have is that sometimes the appointments feel rushed and the clinical notes sometimes need to be revised because they are incorrect. Otherwise, I absolutely love Dr. Muellner

    2026-03-13

  • I'm a patient of Dr Muellner for well over 20 years and consider both him and his gallant staff like my extended family. This in it self should tell you exactly what one needs to know; God bless them all:)

    2026-03-12

  • Great

    2026-03-11

  • I'm very happy with my experiences with this provider.

    2026-03-11

  • I have been a patient in this practice for over 45 years. I appreciate the care I get from both my NP and my physician.

    2026-03-10

  • l feel blessed to have Hanno Muellner, M.D. as my primary care doctor. He is a wonderful human being, listens and cares.

    2026-03-10

  • Sometimes, my doctor is in a hurry. But he always replies to my messages so does the NP, RN.

    2026-03-10

  • Dr Muellner's made encouraging comments about my health and arranged for 2 follow-up tests.

    2026-03-09

  • I have been with DR Muellner for 30yrs. I'm grateful to find him. He takes all the time he needs when dealing with me. Most others constantly look at the watch to keep 5min appointment. Not my Dr Muellner, he is a great person first and my great doctor 2nd. Thank you DR. Muellner

    2026-03-09

  • They take good care of me

    2026-03-07

  • It took over four months to get an appointment with this provider, my new PC; however, it was worth the wait: the doctor showed he cared about my health, he listened, was thorough, and showed a real humanistic side of himself.

    2026-03-04

  • It was fine.

    2026-02-25

  • He was great and very understanding and didn't rush the appointment along

    2026-02-24

  • Hanno always listens to what I have to say and works with me to provide a solution

    2026-02-25

  • Open to hearing about and was non-judgemental about how I was taking care of myself.

    2026-02-24

  • Dr. Muellner is always on top of everything.

    2026-02-13

  • the practice has proven worthy of our trust

    2026-02-26

  • It was great

    2026-02-25

  • I am very happy with the care I receive from Dr Muellner's office. He is a great listener. He seems truly locked in with me during the visit, he is NOT one of those Hand On The Doorknob Dr's, I never feel rushed or unheard. If I have a question that doesn't have an answer at his fingertips, he gets back to me promptly, which I much appreciate, I'm never just left hanging and I never have to chase him down. [redacted] At my age, [redacted], I appreciate a place to go for help where I'm confident he will provide it and I don't have to rehash my entire issue, from the start, all over again, with a stranger whom I'm just a number to. That is priceless and time saving for us all. [redacted] Everyone is awesome there, from the people who check you in, all the way up the line to Dr Muellner himself.

    2026-02-07

  • Everyone I interacted with were wonderful and caring!

    2026-02-07

  • Nice guy, listens carefully, addresses all my questions.

    2026-02-05

  • It is always a good visit that takes care of my health needs.

    2026-02-04

  • Always on time with answers to questions I was hoping to hear.

    2026-02-04

  • Best Dr ever

    2026-01-28

  • I am a new patient to this doctor. He took the time to learn about my life and medical history. Very comfortable visit.

    2026-01-21

  • Excellent

    2026-01-18

  • Great

    2026-01-17

  • Yeah, Hanno Muellner listens very well and is a very good doctor. That's pretty much all I got to say.

    2026-01-16

  • Exceptional care provider, colon, informed, caring, straightforward and plain spoken. Highly recommend him.

    2026-01-15

  • Always a good experience

    2026-01-14

  • This office should be the model for every care giver at MGB. Personal, comfortable, and prompt.

    2026-01-10

  • I felt well cared for.

    2026-01-08

  • Excellent provider. Explains things well. Listens to what I say.

    2026-01-07

  • P Muellner has been my primary care doctor for well over 20 years. I've had no desire to leave him. He makes himself available. He's thoughtful. He's caring. He's genuine. He's authentic. He listens. He's a person that takes in information and is able to gather that information and develop a conversation based on that information that allows for best treatment possible. I've been dealing with a long, I've been on disability for the last two years and he has been very helpful in his ?

    2026-01-05

  • He seemed kind and knowledgeable

    2025-12-26

  • He is a pleasure to talk with and seems to be concerned about important things as well as being cordial

    2025-12-20

  • I am totally happy with Dr. Muellner as my PCP & do recommend his practice to others.

    2025-12-19

  • Hanno was really good. I had no complaints. Thank you.

    2025-12-16

  • Dr. Muellner spent ample time to discuss my medical situation and in a caring manner.

    2025-12-11

  • This office is always fantastic!

    2025-12-06

  • Dr. Muellner and his staff have always been outstanding. Long before he was associated with Mass General

    2025-12-05

  • Muell was informed and clear, and identified next steps (lab tests). This was an annual physical and went very smoothly.

    2025-12-03

  • I have been seeing Dr. Muellner for years. This experience was the same as usual. He is always attentive, professional and caring. I couldn't ask for a better family care provider.

    2025-11-29

  • Genuine Brilliant Real Honestly Care

    2025-11-19

  • Dr Muellner is a fantastic md!

    2025-11-19

  • Very comfortable with this provider. Pleased to continue.

    2025-11-18

  • Excellent overall!

    2025-11-13

  • thoughtful listener

    2025-11-10

  • As always, when you come in, the receptionist are always very pleasant. The nurses are always pleasant and listen to what you have to say and the doctor goes over everything that is going on and listens to my questions and answers them. I would recommend this office to anybody.

    2025-11-11

  • Very good

    2025-11-10

Accepted Insurance

  • Tufts Health Plan
  • Mass General Brigham Health Plan
  • Medicare
  • Harvard Pilgrim Health Care
  • United Health Care
  • Commonwealth Care Alliance
  • Medicare ACO
  • Blue Cross Blue Shield
  • Fallon Health
  • Multiplan
  • MassHealth
  • WellSense
  • Railroad Medicare
  • Tricare
  • MassHealth ACO
  • Health New England
  • Brighton Marine