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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. Julie Winsett, MD
Newton, MA · No drug or device payments recorded (2025) · Telehealth · (617) 243-6000
Dr. Kaila Legare, M.D.
Newton, MA · No drug or device payments recorded (2025) · (617) 243-6467
Dr. Kari Emsbo, M.D.
Newton, MA · No drug or device payments recorded (2025) · Telehealth · (617) 332-1001
Dr. Konrad Kozlowski, MD
Newton, MA · No drug or device payments recorded (2025) · (617) 243-6467
Dr. Kosha Thakore, MD
Newton, MA · No drug or device payments recorded (2025) · (617) 243-6433
Dr. Kristin Collins, MD
Newton, MA · No drug or device payments recorded (2025) · (617) 243-6000
Dr. Leila Yassa, M.D.
Newton, MA · No drug or device payments recorded (2025) · (617) 243-5812
Dr. Lien Le, M.D.
Newton, MA · $14 in drug and device payments (2025) · (617) 243-6433
Dr. Lillian Stafford, PA
Newton, MA · $90 in drug and device payments (2025) · Telehealth · (617) 964-9070
Dr. Lisa Sunwoo, M.D.
Newton, MA · No drug or device payments recorded (2025) · (617) 243-6433
Dr. Lynn Paikowsky, MD
Newton, MA · No drug or device payments recorded (2025) · (978) 761-8498
Dr. Maged Muhammed, MD
Newton, MA · No drug or device payments recorded (2025) · (617) 243-6000
Dr. Marc Bard, M.D.
Newton, MA · No drug or device payments recorded (2025) · (617) 630-1731
Dr. Maria Berkman, M.D.
Newton, MA · No drug or device payments recorded (2025) · (617) 243-6467
Dr. Mary Johnson, MD
Newton, MA · No drug or device payments recorded (2025) · (617) 964-7530
Dr. Matthew Pouw, MD
Newton, MA · $595 in drug and device payments (2025) · (617) 243-6467
Dr. Meghan Gange, M.D.
Newton, MA · No drug or device payments recorded (2025) · (617) 243-6345
Dr. Meghan Woodsum, MD
Newton, MA · No drug or device payments recorded (2025) · (508) 785-5942
Dr. Melissa Wendt, M.D.
Newton, MA · $109 in drug and device payments (2025) · Telehealth · (617) 964-9070
Dr. Michael Benari, MD
Newton, MA · No drug or device payments recorded (2025) · (617) 771-8580
Dr. Michael Hodges, MD
Newton, MA · No drug or device payments recorded (2025) · (617) 796-7170
Dr. Michael Levin, MD
Newton, MA · No drug or device payments recorded (2025) · (617) 965-1118
Dr. Michael Shrager, MD
Newton, MA · No drug or device payments recorded (2025) · Telehealth · (617) 964-9070
Dr. Michael Zacks, MD
Newton, MA · No drug or device payments recorded (2025) · (617) 243-6896
Dr. Nazbeh Taghizadeh, M.D.
Newton, MA · No drug or device payments recorded (2025) · Telehealth · (617) 796-7100
Dr. Nila Karim, MD
Newton, MA · No drug or device payments recorded (2025) · Telehealth · (617) 964-7530
Dr. Nobita Chatterjee, M.D.
Newton, MA · $286 in drug and device payments (2025) · Telehealth · (508) 785-5094
Dr. Nooshin Abbasi, MD MPH
Newton, MA · No drug or device payments recorded (2025) · (617) 243-6000
Dr. Perry An, MD
Newton, MA · No drug or device payments recorded (2025) · (617) 243-6433
Dr. Pragati Tikoo, M.D.
Newton, MA · No drug or device payments recorded (2025) · Telehealth · (617) 964-7530
Dr. Reema Alshirawi, M.D.
Newton, MA · No drug or device payments recorded (2025) · Telehealth · (617) 796-7170
Dr. Ronald Krasinski, M.D.
Newton, MA · No drug or device payments recorded (2025) · (617) 964-7330
Dr. Shusmita Dhar, MD
Newton, MA · No drug or device payments recorded (2025) · (617) 903-5000
Dr. Steven Pestka, M.D.
Newton, MA · No drug or device payments recorded (2025) · (617) 243-6670
Dr. Steven Vandor, MD
Newton, MA · $14 in drug and device payments (2025) · Telehealth · (617) 964-7530
Dr. Svetlozar Natov, M.D.
Newton, MA · $3 in drug and device payments (2025) · Telehealth · (617) 964-5496
Dr. Tara Grabowsky, M.D.
Newton, MA · No drug or device payments recorded (2025) · (617) 964-9070
Dr. Zoe Tseng, M.D.
Newton, MA · No drug or device payments recorded (2025) · Telehealth · (617) 796-7170
Dr. Barbara Stewart, M.D.
Newton Center, MA · No drug or device payments recorded (2025) · (617) 630-9800
Dr. Alexander Kopp, M.D.
Newton Lower Falls, MA · No drug or device payments recorded (2025) · (617) 527-6200
Dr. Allan Engel, M.D.
Newton Lower Falls, MA · No drug or device payments recorded (2025) · (677) 244-7142
Dr. Benjamin Harris
Newton Lower Falls, MA · No drug or device payments recorded (2025) · (617) 243-6467
Dr. Geraldine Zabik, M.D.
Newton Lower Falls, MA · No drug or device payments recorded (2025) · Telehealth · (617) 964-5020
Dr. Iris Smyth, C.N.P.
Newton Lower Falls, MA · No drug or device payments recorded (2025) · (617) 964-5020
Dr. John O Brien, MD
Newton Lower Falls, MA · No drug or device payments recorded (2025) · (617) 964-9050
Dr. Lucy Paniszyn, M.D.
Newton Lower Falls, MA · No drug or device payments recorded (2025) · Telehealth · (617) 964-5020
Dr. Marc Freiman, M.D.
Newton Lower Falls, MA · $15 in drug and device payments (2025) · Telehealth · (617) 762-1440
Dr. Mitchell Levine, M.D.
Newton Lower Falls, MA · No drug or device payments recorded (2025) · (617) 964-5020
Dr. Nancy Cooper, M.D.
Newton Lower Falls, MA · No drug or device payments recorded (2025) · Telehealth · (617) 964-5020
Dr. Nancy Sullivan, C.N.P.
Newton Lower Falls, MA · No drug or device payments recorded (2025) · (617) 964-5020

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.

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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 Internal Medicine in Massachusetts? Get featured.