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Gastroenterologists in Massachusetts

Data updated monthly · Last refresh October 2026

689 Gastroenterology providers practice in Massachusetts, including 312 (45%) offering telehealth. The largest concentration is in Boston. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

689providers
312telehealth
Bostontop city

Gastroenterology by city in Massachusetts

Choose a city to see providers there.

Gastroenterology in Boston282 providers
Gastroenterology in Worcester49 providers
Gastroenterology in Burlington31 providers
Gastroenterology in Springfield18 providers
Gastroenterology in Cambridge16 providers
Gastroenterology in Beverly13 providers
Gastroenterology in Fall River12 providers
Gastroenterology in Brockton11 providers
Gastroenterology in Salem11 providers
Gastroenterology in Stoneham11 providers
Gastroenterology in Framingham10 providers
Gastroenterology in Florence10 providers
Gastroenterology in Newton9 providers
Gastroenterology in Milford8 providers
Gastroenterology in Acton8 providers
Gastroenterology in South Weymouth8 providers
Gastroenterology in Plymouth7 providers
Gastroenterology in Medford7 providers
Gastroenterology in Leominster7 providers
Gastroenterology in Pittsfield6 providers
Gastroenterology in Quincy6 providers
Gastroenterology in Chelmsford6 providers
Gastroenterology in Brighton5 providers
Gastroenterology in Haverhill5 providers

Where Gastroenterologists in Massachusetts practice

From CMS Medicare enrollment records covering 460 of the 689 providers listed here (67%). Providers who do not bill Medicare are not included in these figures.

9%solo or small practice (under 10 clinicians)
8%mid-size group (10 to 99)
83%large group or health system (100+)

Largest practice groups

Group (as registered with Medicare)GastroenterologistsAll clinicians in groupMain city
Massachusetts General Physicians Organization Inc.663,494Boston
The General Hospital Corp.oration561,275Boston
Brigham and Womens Physicians Organization Inc.522,931Boston
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc.361,693Boston
Umass Memorial Medical Group Inc.282,494Worcester

Hospitals where they hold privileges

HospitalCityOwnershipCMS star ratingGastroenterologists affiliated
Brigham and Women's HospitalBostonNonprofit5 of 5102
Massachusetts General HospitalBostonNonprofit5 of 598
Beth Israel Deaconess Medical CenterBostonNonprofit3 of 579
North Shore Medical Center -SalemNonprofit5 of 559
Newton-Wellesley HospitalNewtonNonprofit5 of 548

Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.

Gastroenterology providers in Massachusetts

Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Abhijeet Kashyap, MD
Acton, MA · No drug or device payments recorded (2025) · (978) 429-2010
Dr. Ann Joyce, MD
Acton, MA · $6,410 in drug and device payments (2025) · (978) 429-2010
Dr. Arpan Patel, MD
Acton, MA · $220 in drug and device payments (2025) · Telehealth · (978) 429-2010
Dr. Gail Herzig, MD
Acton, MA · $720 in drug and device payments (2025) · Telehealth · (978) 429-2010
Dr. Lauren Bleich, MD/MPH
Acton, MA · $3,110 in drug and device payments (2025) · Telehealth · (978) 429-2010
Dr. Leah Creahan, MD
Acton, MA · $2,513 in drug and device payments (2025) · (978) 429-2010
Dr. Peter Krims, M.D.
Acton, MA · $2,283 in drug and device payments (2025) · (978) 429-2010
Dr. Raj Devarajan, MD
Acton, MA · No drug or device payments recorded (2025) · (978) 429-2010
Dr. Ruth Ross-mccormack, MD
Arlington, MA · No drug or device payments recorded (2025) · Telehealth · (781) 641-0100
Dr. Mark Robbin, MD
Attleboro, MA · No drug or device payments recorded (2025) · (508) 222-2021
Dr. Nithin Karanth, M.D.
Attleboro, MA · $6,437 in drug and device payments (2025) · (508) 222-2021
Dr. Sonia Uchman, MD
Attleboro, MA · No drug or device payments recorded (2025) · (508) 222-2021
Dr. Jonathan Taylor, MD
Auburn, MA · No drug or device payments recorded (2025) · (508) 425-5446
Dr. Michael Kelfer, MD
Auburn, MA · No drug or device payments recorded (2025) · (508) 425-5446
Dr. Michael Jonathan Older, M.D.
Ayer, MA · $33 in drug and device payments (2025) · (978) 772-3547
Dr. Mamigon Garabedian, M.D.
Belmont, MA · No drug or device payments recorded (2025) · (617) 738-7300
Dr. Kenneth Shieh, M.D.
Beverly, MA · No drug or device payments recorded (2025) · Telehealth · (978) 232-1120
Dr. Kevin Ollington, MD
Beverly, MA · $864 in drug and device payments (2025) · Telehealth · (978) 232-1120
Dr. Lawrence Murphy, M.D.
Beverly, MA · No drug or device payments recorded (2025) · (978) 232-1120
Dr. Maria Lonshteyn
Beverly, MA · No drug or device payments recorded (2025) · Telehealth · (978) 232-1120
Dr. Martin Hahn, M.D.
Beverly, MA · No drug or device payments recorded (2025) · (978) 232-1120
Dr. Michael Aaronson, MD
Beverly, MA · No drug or device payments recorded (2025) · (978) 927-4110
Dr. Michael Demarkles, MD
Beverly, MA · No drug or device payments recorded (2025) · (978) 921-1908
Dr. Michael Newman, M.D.
Beverly, MA · No drug or device payments recorded (2025) · (978) 232-1120
Dr. Richard Einhorn, MD
Beverly, MA · No drug or device payments recorded (2025) · (978) 927-4110
Dr. Ronald Ste.marie, M.D.
Beverly, MA · No drug or device payments recorded (2025) · (978) 232-1120
Dr. Rosa Bui, M.D.
Beverly, MA · No drug or device payments recorded (2025) · Telehealth · (978) 232-1120
Dr. Seth Homer, M.D.
Beverly, MA · $139 in drug and device payments (2025) · Telehealth · (978) 927-4110
Dr. Timothy Smith, M.D.
Beverly, MA · No drug or device payments recorded (2025) · Telehealth · (978) 232-1120
Dr. Aaron Dickstein, M.D.
Boston, MA · $1,348 in drug and device payments (2025) · Telehealth · (617) 636-5883
Dr. Abdulrahman Qatomah
Boston, MA · $8,387 in drug and device payments (2025) · (617) 256-1013
Dr. Adam Cheifetz, M.D.
Boston, MA · $159,529 in drug and device payments (2025) · Telehealth · (617) 667-2082
Dr. Adjoa Anyane-yeboa
Boston, MA · $6,049 in drug and device payments (2025) · Telehealth · (914) 806-3243
Dr. Adnan Khan, MD
Boston, MA · $50 in drug and device payments (2025) · (617) 638-6525
Dr. Alan Moss, MD
Boston, MA · $125 in drug and device payments (2025) · (617) 638-6525
Dr. Albena Halpert, M.D.
Boston, MA · No drug or device payments recorded (2025) · Telehealth · (617) 638-6525
Dr. Aleksey Novikov, M.D.
Boston, MA · $226 in drug and device payments (2025) · (617) 726-2426
Dr. Alexander Goldowsky, MD
Boston, MA · $2,301 in drug and device payments (2025) · Telehealth · (617) 638-8000
Dr. Alison Goldin, M.D.
Boston, MA · No drug or device payments recorded (2025) · Telehealth · (617) 732-5500
Dr. Allen Hwang, M.D., M.S.C.E.
Boston, MA · $5,199 in drug and device payments (2025) · Telehealth · (617) 636-1273
Dr. Alphonso Brown, MD
Boston, MA · $14 in drug and device payments (2025) · Telehealth · (617) 667-2141
Dr. Alykhan Shamji
Boston, MA · No drug or device payments recorded (2025) · Telehealth · (617) 724-9557
Dr. Amandeep Singh, MD, PHD
Boston, MA · No drug or device payments recorded (2025) · Telehealth · (617) 726-7411
Dr. Amelie Therrien, MD
Boston, MA · No drug or device payments recorded (2025) · Telehealth · (617) 667-8424
Dr. Amiko Uchida, MD
Boston, MA · $3,941 in drug and device payments (2025) · Telehealth · (617) 643-0826
Dr. Amit Ringel, M.D.
Boston, MA · No drug or device payments recorded (2025) · Telehealth · (617) 732-5500
Dr. Amr Dokmak, M.D.
Boston, MA · $1,860 in drug and device payments (2025) · (617) 789-3000
Dr. Andrea Reid, MD
Boston, MA · No drug or device payments recorded (2025) · Telehealth · (617) 726-2026
Dr. Andrew Chan, M.D.
Boston, MA · $9,537 in drug and device payments (2025) · Telehealth · (617) 726-3212
Dr. Anisha Varma-wilson, M.D.
Boston, MA · No drug or device payments recorded (2025) · (617) 638-6525

Conditions Gastroenterology providers in Massachusetts commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Gastroenterology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Gastroenterology providers are in Massachusetts?

There are 689 Gastroenterology providers with active NPI records practicing in Massachusetts, according to federal NPPES data refreshed monthly.

Do Gastroenterology providers in Massachusetts offer telehealth?

Yes. 312 of the 689 Gastroenterology providers in Massachusetts (about 45%) report offering telehealth services in CMS data.

Which cities in Massachusetts have the most Gastroenterology providers?

Boston (282), Worcester (49), Burlington (31) have the highest concentration of Gastroenterology providers in Massachusetts.

How many Gastroenterology providers in Massachusetts received drug or device company payments?

341 of 689 Gastroenterology providers in Massachusetts (49%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Gastroenterology providers in Massachusetts treat?

Gastroenterology providers commonly treat acid reflux, IBS, Crohn disease, ulcerative colitis, celiac disease and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

Do most Gastroenterologists in Massachusetts work in independent practices or large health systems?

Among 460 Gastroenterologists in Massachusetts enrolled in Medicare, 9% bill through a solo or small practice with fewer than 10 clinicians, 8% through a mid-size group of 10 to 99, and 83% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Gastroenterologists in Massachusetts work at?

According to CMS facility affiliation records, the Massachusetts hospitals where the most Gastroenterologists hold privileges are Brigham and Women's Hospital in Boston; Massachusetts General Hospital in Boston; Beth Israel Deaconess Medical Center in Boston.

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Gastroenterology in Massachusetts? Get featured.