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
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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. Mark Franciosa, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 638-8000 Dr. Mark Friedberg, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-6047 Dr. Mark Murakami, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 632-3779 Dr. Mark Pasternack, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-5771 Dr. Mark Pomerantz, MDBoston, MA · $43 in drug and device payments (2025) · Telehealth ·
(617) 724-2241 Dr. Mark Poznansky, MD PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-3906 Dr. Mark Prashker, MD, MPHBoston, MA · No drug or device payments recorded (2025) ·
(617) 638-5289 Dr. Mark Sperry, M.D.Boston, MA · $24 in drug and device payments (2025) · Telehealth ·
(617) 636-1400 Dr. Markus Frank, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-5850 Dr. Mark Yurkofsky, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 421-1000 Dr. Marla Jalbut, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2000 Dr. Marshall Wolf, MDBoston, MA · No drug or device payments recorded (2025) ·
(857) 307-4100 Dr. Martin Silverstein, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 973-1267 Dr. Marvah Hill Pierre-louis, MD Dr. Marwan Refaat, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 726-2000 Dr. Marycatherine Arbour, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 732-5845 Dr. Mary Connelly, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 654-7435 Dr. Mary Elizabeth Hamel, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-2700 Dr. Maryellen Fitzgerald, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 782-6872 Dr. Mary Ellen Goldhamer, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2707 Dr. Mary Manning, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 724-0909 Dr. Mary Mcnaughton-collins, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 726-8157 Dr. Mary Tharayil, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 421-5804 Dr. Mary Thorndike, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-5845 Dr. Mary Yu-mee Lee, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 636-2191 Dr. Mason Freeman, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-5906 Dr. Matthew AdlesteinBoston, MA · No drug or device payments recorded (2025) ·
(781) 528-2722 Dr. Matthew BasciottaBoston, MA · No drug or device payments recorded (2025) ·
(617) 667-7000 Dr. Matthew CenciBoston, MA · No drug or device payments recorded (2025) ·
(617) 636-5000 Dr. Matthew Difrancesco, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2865 Dr. Matthew Emmett, MD, PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2000 Dr. Matthew Erlich, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-0055 Dr. Matthew Gartland, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2687 Dr. Matthew Germak, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 754-9600 Dr. Matthew Goldstein, M.D., PH.DBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Matthew Growdon, M.D., M.P.H.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Matthew Hitron, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-9600 Dr. Matthew NealeBoston, MA · No drug or device payments recorded (2025) ·
(617) 638-8000 Dr. Matthew Ronan, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 667-9600 Dr. Matthew Spindler, MD, PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Matthew Strickland, M.D.Boston, MA · $10,828 in drug and device payments (2025) · Telehealth ·
(617) 414-5951 Dr. Matthew Tobey, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2865 Dr. Matthew Townsend, MD, MSC, MPPBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2426 Dr. Matthew Vitale, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-5845 Dr. Matthew VollaroBoston, MA · No drug or device payments recorded (2025) ·
(617) 636-5000 Dr. Maureen Connelly, M.D. Dr. Maurice Douglass Poirier, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 654-7485 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.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
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.
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