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Marc Theroux, MD

4.8 out of 5 (489 Ratings)


Internal Medicine / Primary Care

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Please Read regarding COVID-19

Please call the office before coming in for your appointment if you are experiencing any of the following symptoms or have been in close contact with a confirmed case of coronavirus (COVID-19) in the past 14 days: fever, chills, or body aches, cough or shortness of breath, fatigue, sore throat, headache, new loss of sense of taste or smell, gastrointestinal symptoms (e.g. nausea, vomiting, diarrhea,) rash or COVID toes (e.g., swollen, discolored toes.)
For the safety of our patients, providers and staff during the COVID-19 crisis, Southcoast Health has temporarily suspended online scheduling to ensure we are properly screening patients and appropriately directing care. Southcoast Health will resume online scheduling as soon as possible. In the meantime, please call 844-744-5544 for more information or to schedule an appointment.

About Marc Theroux

Dr. Theroux is board certified in internal medicine and is on the active medical staff of Charlton Memorial Hospital He serves on the diabetes advisory and continuing medical education committees at Charlton.

Dr. Theroux is a graduate of Georgetown University School of Medicine, and completed his residency in internal medicine at the United States Air Force Medical Center Keesler in Mississippi, which is affiliated with Tulane University School of Medicine.

He is a member of the Alpha Omega Alpha Medical Honor Society and the American Medical Association.


Marc practices at the following locations:

Southcoast Physicians Group Internal Medicine

534 Prospect Street
Fall River, MA 02720

P: 508-973-7766

Get Directions 41.7085319 -71.14524369999998

Insurances Accepted

Southcoast accepts most major insurance plans. Call the Southcoast patient registration department at 844-297-2952 or your health plan with any questions regarding coverage.

Provider Ratings

Rating Willingness to recommend provider’s office Overall Provider Experience Courtesy and Respect of Staff

Patient Comments (65)

At Southcoast Health, we strive to deliver exceptional patient care along with an exceptional patient experience. We appreciate all of your feedback and share your comments to recognize the wonderful care our teams provide to you as well as identify areas for improvement.

  • The staff at south coast - Bordon Medical and Dr. Theroux treat me very well when I am ill or need a routine checkup. I feel confident with the services provided and count on them for my health care.

  • Dr. Theroux is the best doctor I've ever been to a very thorough and tells you exactly how things are how you are. If you have any questions, he answers them. He's just wonderful wonderful doctor.

  • For us hearing impaired it’s difficult to hear because of masks but better than a tele visit

  • The provider was dr. Theroux himself. He was able to actually see me and let me see him which I found very helpful, was like an onsite appointment. He knew everything about my background. I mean he's just a wonderful doctor anyway, so I'm very pleased with both Dr. Theroux and Charlton and I would definitely recommend him and the hospital to all my friends and family.

  • I have been going here for years!!! and I would never change to anyone else. They are all fantastic!!

  • With covid its very upsetting as everyone is a little behind but I must say that the staff is short. We had to wait an hour, which is unusual in out in the hot sun, not any of doctors (INAUDIBLE) staff, but more staff need to be called back and this needs to be taken into consideration. Thank you very much.

  • Dr Marc Theroux and his Medical Assistant, [Name] [Name] are professional, caring and "go the extra mile" to make their patients feel comfortable.

  • Had a good televisit but prefer to go in person. Much better.

  • Dr THEROUX and staff always provide the best possible care anyone can hope for!!


  • I love Dr Theourx could not be a more professional and competent MD !!!!

  • Dr. Marc Theroux has been my primary physician for years. He has always been extremely professional and knows who to deal with any and all of my medical issues. I consider him the best of the best. Sincerely, [Name] [Name]

  • Given the covid 19 crisis I felt my doctor and his staff did all anyone could ask to provide me with thorough and timely care while keeping both me and the staff protected. Great job!

  • I really enjoyed my visit with Dr Theroux. He is always so genuine and makes you feel a priority and never rushed. He is always so comfortable to speak with regardless of the conversation. He makes me feel cared for and safe.

  • Got to FaceTime with my Dr & that was perfect

  • completely satisfied no changes needed

  • I think I made a mistake. You did everything right. I'm sorry, I should have pressed two.

  • The whole experience was easy and handled efficiently there were no problems I would do it again

  • Our FaceTime medical visit was thorough and reassuring. It was as good as is possible under the current circumstances.

  • You did very well, and I appreciate it Dr. Theroux speaking to me in regards of my situation that I had yesterday, and I would recommend out to the room to all my friends my family relatives all the people that I know. Thank you very much for calling.

  • Under the circumstances with cova19 it was good to get good care. A go home felling much better Thank you all and God bless you all work very hard again Thank you

  • Can not find a better PCP anywhere. Dr.Theroux is exceptional.

  • No complaints at all the staff is wonderful and very caring and helpful !! Didn't feel rushed !

  • Always a great experience!

  • Always caring and professional would not go anywhere else

  • It just takes a bit to get used to all this automation information that comes through, but the girls are very good, and Dr. Theroux did wonderfully, and I could ask him all kinds of questions and that worked out very well. Thank you.

  • It was flawless

  • Everything was perfect

  • Dr. Theroux is very thorough, concised and cheerful made me feel at home and very instructive and complete.

  • Doctor called no phone for the visit it was definitely not the same

  • Was thankful to be seen and referred to my eye doctor due to this call.

  • The telemedicine experience went great. Dr Theroux could see me with tin cans and string and he would still be the best!

  • Dr. Theroux is the kindest physician in the city of Fall River. More Physicians should learn from this man. Thank you.

  • I have been with Dr, Theroux for quite sometime now. He along with staff is the complete package. Staff is always courteous and accommodating. Doc has it all. He is always aware of my health in all aspects. He truly listens to all concerns I may have and goes the extra mile when needed for my full well being. Not to be corny but he is the true meaning of the perfect healthcare provider.

  • Dr.Theroux, is the best. He knows my medical conditions and I am grateful to have him as my primary doctor. He saved my life and I am able to write about because of him.

  • Dr. Theroux is an exceptional practitioner and individual. I do not care how long I wait to see him, as I know how thorough he is with his patients. Office staff is fantastic too!

  • All was great. No other comments.

  • The service was great and it always is

  • Yes, I feel like Dr. Theroux and I as patient and doctor communicate very well. I'm very comfortable with him, he has a very good bed side manner by feel that he's an excellent doctor. And the staff they are a very good too. Alright. Thank you.

  • Well, the only thing that concerned me was the doctor wanted me to return in six months as I always do, but I was given an appointment on October, nine months from this visit.

  • Dr.Theroux is kind and caring, his demeanor is warm and inviting. He is a great diagnostician who genuinely cares about me. He is not only accessible he is a quality human being.

  • Fast and easy check in and short wait time in and out great office.

  • He is the best doctor that could ever be. I've been going to him for 20 ... more than 27 years. Very pleasant, very knowledgeable and the best there is.

  • Dr. Theroux is a wonderful physician, he listens carefully and cares.

  • I arrived and was seen early.

  • Dr. Theroux is thorough and thoughtful. Excellent provider.

  • Every thing was very good. Dr. Theroux is an excellent physician who provides excellent care in a knowledgeable and caring way.

  • Dr Theroux and his staff consistently provide excellent care. Dr Theroux is very knowledgeabl, professional and has an outstanding bedside manner.

  • Excellent communication care. Received my flu shot. All questions answered. Thank you

  • Dr theroux is an excellent doctor and I feel privileged to have him as my doctor. He is thorough and an excellent doctor. His staff is remarkable also. I have been his patient for 29 years.

  • Dr. Theroux is the best.

  • Dr. Theroux is the best!

  • Dr Theroux is compassionate and understanding and the staff is professional and courteous. I love this office!!

  • My provider is the best there is! I have been with this office for 20 years and never had a bad experience. My only concern is the availability is not always there for me to see my provider when needed.

  • Dr.Theroux is the best.

  • It is always a positive experience when I am seen by Dr. Theroux and his staff. Thank you.

  • I was completely satisfied with Dr. Theroux and the staff.

  • Dr. Theroux is simply the best doctor... The support staff is also excellent!

  • Dr. Theroux is my physician, and I just wanted to say that he's wonderful physician. He's very compassionate, kind and throughout the many years that I've been seeing him. He is gone above and beyond to take care of me as a patient, and I would recommend him to anyone. I truly feel that he's a blessing. I am blessed that he is my physician. Thank you.

  • Dr Theroux is amazing. Not only do I think of him as an exceptional Doctor, he is a genuine good man. He goes above and beyond every time I see him. I’m always amazed and grateful for such good care. His staff is equally amazing. It’s obvious that they follow Dr Theroux’s lead. This practice is unlike any other. It’s exceptional.

  • Dr Theroux is kind, genuinely cares about his patients and is well prepared for each visit. He reviews my medical record in advance and gives good advice. He always has a smile on his face despite how chaotic I'm sure his days are. He is an exceptional physician and I am very fortunate to have him.

  • Dr. Theroux is the most caring and knowledgeable physician I've ever known, probably the best in the world.

  • I wasn't able to schedule a 6 month follow up as recommended by my physician because there were no available appointments.

  • Yes the kindness from everyone in the office. And how much they show that they are concerned about your concerns and they're very pleasant. And I most likely, I would definitely would recommend this facility to my family and friends. I pressed the one without a 0 so I wanted to make sure I clarified that I meant a 10 not a 1.

  • Job well done thank you

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Southcoast Health physician profiles now feature star ratings.  Below, you’ll find frequently asked questions about our process for calculating the ratings.

Why does Southcoast publish survey ratings online?
Southcoast is dedicated to providing patients and consumers with helpful information about the quality of our patients’ experiences. Star ratings published on our physician biography pages are based on actual responses from patients of that particular physician to patient satisfaction surveys that are distributed and processed by a national patient satisfaction survey vendor.

Who receives the survey?
Our vendor sends surveys via SMS or email to all patients seen in our outpatient physician practices who have a valid smart phone number or email address on file with Southcoast Health. Surveys are sent to patients within a few days of their appointment.

How is the Patient Satisfaction Star Rating Calculated?
Star ratings are calculated using an average of all survey responses to each of three questions: Courtesy and Respect of Staff, Provider Overall Rating, and  Willingness to Recommend Provider’s Office.  The star rating displayed on our physicians’ main biography page represents the average of the three measures for that particular physician.