HealthcareDiscovery.AI / Doctors / Massachusetts / Internal Medicine

Internal Medicine Doctors in Massachusetts

Data updated monthly · Last refresh October 2026

6,796 Internal Medicine providers practice in Massachusetts, including 1,960 (29%) 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.

6,796providers
1,960telehealth
Bostontop city

Internal Medicine by city in Massachusetts

Choose a city to see providers there.

Internal Medicine in Boston2,322 providers
Internal Medicine in Worcester443 providers
Internal Medicine in Cambridge299 providers
Internal Medicine in Springfield280 providers
Internal Medicine in Burlington141 providers
Internal Medicine in Brockton108 providers
Internal Medicine in Framingham92 providers
Internal Medicine in Wellesley82 providers
Internal Medicine in Newton79 providers
Internal Medicine in Brighton72 providers
Internal Medicine in Chestnut Hill64 providers
Internal Medicine in Salem63 providers
Internal Medicine in Fall River62 providers
Internal Medicine in Pittsfield59 providers
Internal Medicine in Brookline56 providers
Internal Medicine in Lowell56 providers
Internal Medicine in Jamaica Plain52 providers
Internal Medicine in Hyannis52 providers
Internal Medicine in Peabody46 providers
Internal Medicine in Concord44 providers
Internal Medicine in Milford43 providers
Internal Medicine in Dorchester42 providers
Internal Medicine in Quincy41 providers
Internal Medicine in Medford40 providers

Internal Medicine 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. Richard Pels
Cambridge, MA · No drug or device payments recorded (2025) · Telehealth · (617) 665-1068
Dr. Robert Atkind, MD
Cambridge, MA · No drug or device payments recorded (2025) · Telehealth · (617) 661-5100
Dr. Robert Janett, MD
Cambridge, MA · No drug or device payments recorded (2025) · Telehealth · (617) 575-5570
Dr. Robert Kauffman, MD, PHD
Cambridge, MA · No drug or device payments recorded (2025) · (617) 444-6100
Dr. Robert Master, MD
Cambridge, MA · No drug or device payments recorded (2025) · (617) 680-6892
Dr. Robert Nace, M.D.
Cambridge, MA · No drug or device payments recorded (2025) · (617) 349-5708
Dr. Robert O'connor, M.D.
Cambridge, MA · No drug or device payments recorded (2025) · Telehealth · (617) 492-3200
Dr. Robert Scaffidi, M.D.
Cambridge, MA · No drug or device payments recorded (2025) · Telehealth · (617) 491-5586
Dr. Roderick Mccoy, MD, PHD
Cambridge, MA · No drug or device payments recorded (2025) · (617) 349-5708
Dr. Rodrigo Tirado, M.D.
Cambridge, MA · No drug or device payments recorded (2025) · (617) 864-8822
Dr. Rosalind Rabin, M.D.
Cambridge, MA · No drug or device payments recorded (2025) · Telehealth · (617) 789-3000
Dr. Rose Goldman, MD
Cambridge, MA · No drug or device payments recorded (2025) · (617) 665-1580
Dr. Ryan Sullivan, MD
Cambridge, MA · $145 in drug and device payments (2025) · Telehealth · (617) 499-5112
Dr. Saad Salman, MBBS
Cambridge, MA · No drug or device payments recorded (2025) · (617) 665-1000
Dr. Samantha To
Cambridge, MA · No drug or device payments recorded (2025) · (617) 492-3500
Dr. Samer Abujaber, MB BCH BAO
Cambridge, MA · $260 in drug and device payments (2025) · (617) 492-3500
Dr. Samuel Chakola, M.D.
Cambridge, MA · No drug or device payments recorded (2025) · Telehealth · (317) 560-2741
Dr. Samuel Osher, MD
Cambridge, MA · No drug or device payments recorded (2025) · Telehealth · (617) 495-2001
Dr. Samuel Wilson, M.D.
Cambridge, MA · No drug or device payments recorded (2025) · (617) 768-8883
Dr. Sandra Wang, M.D.
Cambridge, MA · No drug or device payments recorded (2025) · Telehealth · (617) 876-4344
Dr. Sarah Johnson, M.D.
Cambridge, MA · No drug or device payments recorded (2025) · (617) 499-5571
Dr. Sara Lennox, M.D.
Cambridge, MA · No drug or device payments recorded (2025) · (617) 661-5100
Dr. Scott Malkin, MD
Cambridge, MA · No drug or device payments recorded (2025) · (617) 665-1000
Dr. Sharon Marcus-geller, M.D.
Cambridge, MA · No drug or device payments recorded (2025) · (617) 661-5100
Dr. Sofia Economidou, M.D.
Cambridge, MA · No drug or device payments recorded (2025) · (617) 492-3500
Dr. Sofia Mettler
Cambridge, MA · No drug or device payments recorded (2025) · (617) 492-3500
Dr. Soheyla Gharib, MD
Cambridge, MA · No drug or device payments recorded (2025) · Telehealth · (617) 496-5804
Dr. Songprod Lorgunpai, M.D.
Cambridge, MA · No drug or device payments recorded (2025) · Telehealth · (617) 864-8822
Dr. Steele Belok, MD
Cambridge, MA · No drug or device payments recorded (2025) · (617) 661-9744
Dr. Stella Chen, MD, PHD
Cambridge, MA · $3,695 in drug and device payments (2025) · (617) 492-3500
Dr. Stephanie Hastings, DO
Cambridge, MA · No drug or device payments recorded (2025) · Telehealth · (617) 665-1000
Dr. Stephanie Mascia, M.D., M.P.H
Cambridge, MA · No drug or device payments recorded (2025) · Telehealth · (617) 491-5586
Dr. Stephanie Page, MD
Cambridge, MA · No drug or device payments recorded (2025) · (617) 499-5112
Dr. Stephanie Shapiro, M.D.
Cambridge, MA · No drug or device payments recorded (2025) · (617) 253-0883
Dr. Stephanie Woolhandler
Cambridge, MA · No drug or device payments recorded (2025) · (617) 665-1032
Dr. Stephen Knight, M.D.
Cambridge, MA · No drug or device payments recorded (2025) · (617) 231-2401
Dr. Stephen Ranere, M.D.
Cambridge, MA · No drug or device payments recorded (2025) · (617) 864-8822
Dr. Steven Master, M.D.
Cambridge, MA · No drug or device payments recorded (2025) · (617) 499-5112
Dr. Steven Witte, MD
Cambridge, MA · No drug or device payments recorded (2025) · (617) 495-5711
Dr. Sunam M Sujanani, MD
Cambridge, MA · $17 in drug and device payments (2025) · (617) 499-5112
Dr. Sunny Han
Cambridge, MA · No drug or device payments recorded (2025) · (617) 665-1000
Dr. Susan Abookire, MD
Cambridge, MA · $22 in drug and device payments (2025) · (617) 575-8603
Dr. Suzanne Westbrook, MD
Cambridge, MA · No drug or device payments recorded (2025) · (617) 495-2001
Dr. Syed Rahman, M.D.
Cambridge, MA · No drug or device payments recorded (2025) · (617) 876-4344
Dr. Tafadzwa Muguwe, M.D.
Cambridge, MA · No drug or device payments recorded (2025) · (617) 499-5571
Dr. Taranveer Pawar, M.D.
Cambridge, MA · No drug or device payments recorded (2025) · (617) 349-5708
Dr. Tatiana Romero-pantazopoulos, M.D.
Cambridge, MA · No drug or device payments recorded (2025) · (617) 665-1019
Dr. Teresa Schraeder, MD
Cambridge, MA · No drug or device payments recorded (2025) · (617) 499-5065
Dr. Thanissara Chansakul, M.D.
Cambridge, MA · No drug or device payments recorded (2025) · (267) 421-9774
Dr. Thomas Pfeiffer, M.D.
Cambridge, MA · No drug or device payments recorded (2025) · Telehealth · (617) 665-1000

Conditions Internal Medicine providers in Massachusetts commonly treat

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

Common questions

How many Internal Medicine providers are in Massachusetts?

There are 6,796 Internal Medicine providers with active NPI records practicing in Massachusetts, according to federal NPPES data refreshed monthly.

Do Internal Medicine providers in Massachusetts offer telehealth?

Yes. 1,960 of the 6,796 Internal Medicine providers in Massachusetts (about 29%) report offering telehealth services in CMS data.

Which cities in Massachusetts have the most Internal Medicine providers?

Boston (2,322), Worcester (443), Cambridge (299) have the highest concentration of Internal Medicine providers in Massachusetts.

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

1,344 of 6,796 Internal Medicine providers in Massachusetts (20%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Internal Medicine providers in Massachusetts treat?

Internal Medicine providers commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management 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 Internal Medicine Doctors in Massachusetts work in independent practices or large health systems?

Among 3,721 Internal Medicine Doctors in Massachusetts enrolled in Medicare, 10% bill through a solo or small practice with fewer than 10 clinicians, 11% through a mid-size group of 10 to 99, and 79% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Internal Medicine Doctors in Massachusetts work at?

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

Related reading on HealthcareDiscovery.AI

Internal Medicine in all 50 states Search all 6,796 in the directory Ask Zach for help choosing

Related

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. Are you a Internal Medicine in Massachusetts? Get featured.