HealthcareDiscovery.AI / Doctors / Massachusetts / Boston / Gastroenterology

Gastroenterology in Boston, Massachusetts

Data updated monthly · Last refresh September 2026

282 Gastroenterology providers practice in Boston, and 42% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Gastroenterology providers in Boston

Listed alphabetically. 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. Kassem Sharif, M.D.
Boston, MA · No drug or device payments recorded (2025) · (617) 667-8427
Dr. Katharine Germansky, M.D.
Boston, MA · $25 in drug and device payments (2025) · Telehealth · (617) 632-8623
Dr. Katherine Brunner, M.D.
Boston, MA · $26 in drug and device payments (2025) · Telehealth · (617) 638-6500
Dr. Kathleen Corey, MD
Boston, MA · $14,179 in drug and device payments (2025) · Telehealth · (617) 724-6113
Dr. Kathleen Viveiros, M.D.
Boston, MA · $186 in drug and device payments (2025) · Telehealth · (617) 636-0660
Dr. Katie Dunleavy, MB BCH BAO
Boston, MA · $61 in drug and device payments (2025) · Telehealth · (507) 284-2511
Dr. Kenneth Falchuk, M.D.
Boston, MA · $24 in drug and device payments (2025) · Telehealth · (617) 632-8623
Dr. Kevin Huang, MD
Boston, MA · No drug or device payments recorded (2025) · (617) 638-6525
Dr. Kristin Burke, M.D.
Boston, MA · $2,287 in drug and device payments (2025) · Telehealth · (617) 726-2426
Dr. Kumar Krishnan, MD
Boston, MA · $1,838 in drug and device payments (2025) · Telehealth · (617) 724-0578
Dr. Kunal Jajoo, M.D.
Boston, MA · $1,159 in drug and device payments (2025) · Telehealth · (617) 732-6389
Dr. Kyle Staller, M.D.
Boston, MA · $27,663 in drug and device payments (2025) · Telehealth · (617) 726-2000
Dr. Laurence Guay, MD
Boston, MA · No drug or device payments recorded (2025) · (617) 724-6038
Dr. Lauren Eichenwald, MD
Boston, MA · No drug or device payments recorded (2025) · (978) 741-4171
Dr. Laurie Grossberg, M.D.
Boston, MA · $2,244 in drug and device payments (2025) · Telehealth · (617) 667-2802
Dr. Linda Lee, MD
Boston, MA · $42,497 in drug and device payments (2025) · (617) 732-7429
Dr. Long Nguyen, M.D., M.S.
Boston, MA · $184 in drug and device payments (2025) · Telehealth · (617) 726-2426
Dr. Loren Rabinowitz, M.D.
Boston, MA · No drug or device payments recorded (2025) · Telehealth · (617) 667-2802
Dr. Lori Beth Olans, MD
Boston, MA · No drug or device payments recorded (2025) · Telehealth · (617) 636-5000
Dr. Madeline Berschback, MD
Boston, MA · No drug or device payments recorded (2025) · (617) 726-2000
Dr. Mandeep Sawhney, MBBS,MS
Boston, MA · $639 in drug and device payments (2025) · Telehealth · (617) 667-1088
Dr. Manish Gala, M.D.
Boston, MA · No drug or device payments recorded (2025) · Telehealth · (617) 724-6004
Dr. Manoj Kumar Sharma, MD
Boston, MA · No drug or device payments recorded (2025) · (617) 667-8424
Dr. Marcos Pedrosa, M.D.
Boston, MA · No drug or device payments recorded (2025) · (617) 638-6525
Dr. Marc Sherman, MD
Boston, MA · No drug or device payments recorded (2025) · Telehealth · (617) 643-6361
Dr. Margarita Brun, MD
Boston, MA · No drug or device payments recorded (2025) · (617) 726-2000
Dr. Maria Andreea Catana, M.D
Boston, MA · No drug or device payments recorded (2025) · Telehealth · (617) 667-8424
Dr. Mark Peppercornm.d., M.D.
Boston, MA · No drug or device payments recorded (2025) · (617) 667-8926
Dr. Marvin Ryou, M.D.
Boston, MA · $38,792 in drug and device payments (2025) · Telehealth · (617) 732-5500
Dr. Michael Apstein, MD
Boston, MA · No drug or device payments recorded (2025) · (617) 632-8289
Dr. Michael Dougan, MD, PHD
Boston, MA · $10,030 in drug and device payments (2025) · Telehealth · (617) 724-6007
Dr. Michael Fuchs
Boston, MA · No drug or device payments recorded (2025) · (617) 732-6389
Dr. Michael Russell, M.D.
Boston, MA · $2,790 in drug and device payments (2025) · (617) 636-5000
Dr. Michelle Long, M.D.
Boston, MA · No drug or device payments recorded (2025) · (617) 638-6525
Dr. Mohammad Almeqdadi
Boston, MA · No drug or device payments recorded (2025) · Telehealth · (617) 636-5000
Dr. Molly Perencevich, M.D.
Boston, MA · No drug or device payments recorded (2025) · Telehealth · (617) 732-5775
Dr. Muthoka Mutinga, M.D.
Boston, MA · No drug or device payments recorded (2025) · Telehealth · (617) 522-9996
Dr. Nan Lan, MD
Boston, MA · $1,319 in drug and device payments (2025) · (617) 732-6389
Dr. Navin Kumar, M.D.
Boston, MA · No drug or device payments recorded (2025) · Telehealth · (617) 732-5500
Dr. Nayna Lodhia, M.D.
Boston, MA · No drug or device payments recorded (2025) · (617) 732-5500
Dr. Nicolette Rodriguez, MD, MPH
Boston, MA · No drug or device payments recorded (2025) · Telehealth · (617) 732-5500
Dr. Nikroo Hashemi, MD, MPH
Boston, MA · No drug or device payments recorded (2025) · Telehealth · (617) 525-8937
Dr. Nir Bar, MD
Boston, MA · No drug or device payments recorded (2025) · Telehealth · (617) 726-0270
Dr. Nneka Ufere, MD
Boston, MA · $2,700 in drug and device payments (2025) · Telehealth · (617) 726-2865
Dr. Norman Grace, MD
Boston, MA · No drug or device payments recorded (2025) · (617) 732-6389
Dr. Norman Nishioka, MD
Boston, MA · No drug or device payments recorded (2025) · Telehealth · (617) 726-4422
Dr. Pascal Juillerat, MD, MSC
Boston, MA · No drug or device payments recorded (2025) · (617) 724-6005
Dr. Paul Lochhead, MBCHB
Boston, MA · No drug or device payments recorded (2025) · (617) 726-7411
Dr. Paul Schroy, MD
Boston, MA · No drug or device payments recorded (2025) · (617) 638-6525
Dr. Peiyun Ni, MD
Boston, MA · $188 in drug and device payments (2025) · (617) 726-2000

Conditions Gastroenterology providers in Boston, 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 Boston, Massachusetts?

There are 282 Gastroenterology providers with active NPI records practicing in Boston, according to federal NPPES data refreshed monthly.

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

118 of 282 (42%) 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 Boston treat?

Gastroenterology providers in Boston 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 records 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.

All specialties in Boston Gastroenterology across Massachusetts

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.