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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. Caroline Alper, M.D.
Worcester, MA · No drug or device payments recorded (2025) · (508) 421-5915
Dr. Catharina Armstrong, MD
Worcester, MA · $485 in drug and device payments (2025) · Telehealth · (508) 334-8515
Dr. Cay Denherder, M.D.
Worcester, MA · No drug or device payments recorded (2025) · (508) 856-0104
Dr. Charlotte Barker, DO
Worcester, MA · No drug or device payments recorded (2025) · (508) 334-8515
Dr. Charu Bajracharya, M.D.
Worcester, MA · No drug or device payments recorded (2025) · (508) 334-8515
Dr. Chidimma Okoli, M.D.
Worcester, MA · No drug or device payments recorded (2025) · (508) 556-1072
Dr. Christie Yie, DO
Worcester, MA · No drug or device payments recorded (2025) · (508) 334-8515
Dr. Christine Chang, M.D.
Worcester, MA · No drug or device payments recorded (2025) · (508) 595-2000
Dr. Christine Donahue, M.D.
Worcester, MA · No drug or device payments recorded (2025) · (508) 334-8515
Dr. Christine Hebert, MD
Worcester, MA · No drug or device payments recorded (2025) · (508) 334-8515
Dr. Christine Macginnis, D.O.
Worcester, MA · No drug or device payments recorded (2025) · Telehealth · (508) 791-8524
Dr. Claudiu Salvan, MD
Worcester, MA · $129 in drug and device payments (2025) · (508) 363-5000
Dr. Conor Grogan, MD
Worcester, MA · No drug or device payments recorded (2025) · (508) 334-8515
Dr. Craig Samitt, MD
Worcester, MA · No drug or device payments recorded (2025) · (508) 595-2505
Dr. Cristina Gavala, MD
Worcester, MA · No drug or device payments recorded (2025) · (508) 334-8515
Dr. Daleep Kumar, MD
Worcester, MA · No drug or device payments recorded (2025) · (508) 334-8515
Dr. Danielle Leary, D.O.
Worcester, MA · No drug or device payments recorded (2025) · Telehealth · (508) 334-2731
Dr. Daniel Massarelli, M.D.
Worcester, MA · No drug or device payments recorded (2025) · Telehealth · (508) 334-8802
Dr. Datson Pereira, M.B.B.S.
Worcester, MA · $20 in drug and device payments (2025) · (508) 334-8515
Dr. David Degrand, M.D.
Worcester, MA · No drug or device payments recorded (2025) · (508) 852-0600
Dr. David Fairchild, M.D.
Worcester, MA · $21 in drug and device payments (2025) · (508) 334-2731
Dr. David Fields, M.D.
Worcester, MA · No drug or device payments recorded (2025) · (508) 373-7400
Dr. David Viscido, MD
Worcester, MA · No drug or device payments recorded (2025) · (508) 334-1000
Dr. Deborah Blazey-martin, M.D.
Worcester, MA · No drug or device payments recorded (2025) · (508) 334-2731
Dr. Deepa Jagadeesh, M.D.
Worcester, MA · $20,211 in drug and device payments (2025) · Telehealth · (508) 334-8515
Dr. Demosthenes Agiomavritis, M.D.
Worcester, MA · No drug or device payments recorded (2025) · (508) 334-1443
Dr. Dhruva Kothari, M.D.
Worcester, MA · No drug or device payments recorded (2025) · (833) 904-0620
Dr. Diana Suris, D.O.
Worcester, MA · No drug or device payments recorded (2025) · (508) 856-6239
Dr. Douglas Groves, M.D.
Worcester, MA · No drug or device payments recorded (2025) · (508) 856-2731
Dr. Douglas Palacios Hernandez
Worcester, MA · No drug or device payments recorded (2025) · Telehealth · (508) 799-2922
Dr. Eamon O Murchu, MD
Worcester, MA · No drug or device payments recorded (2025) · (508) 363-6177
Dr. Edward Adams, MD
Worcester, MA · $847 in drug and device payments (2025) · (508) 334-8515
Dr. Edward Alvino, M.D.
Worcester, MA · No drug or device payments recorded (2025) · (774) 437-5042
Dr. Edward Driscoll, M.D.
Worcester, MA · No drug or device payments recorded (2025) · (508) 854-2636
Dr. Elena Byhoff, MD
Worcester, MA · No drug or device payments recorded (2025) · (508) 334-2731
Dr. Elina Tsyvkin
Worcester, MA · No drug or device payments recorded (2025) · (508) 334-8015
Dr. Elizabeth Aherne, DO
Worcester, MA · No drug or device payments recorded (2025) · Telehealth · (508) 334-2731
Dr. Elizabeth Douglas, DO
Worcester, MA · No drug or device payments recorded (2025) · (508) 334-2731
Dr. Elizabeth Ferzacca
Worcester, MA · No drug or device payments recorded (2025) · Telehealth · (508) 334-1000
Dr. Elizabeth Howard, MD
Worcester, MA · No drug or device payments recorded (2025) · (508) 334-6251
Dr. Elizabeth Muhia
Worcester, MA · No drug or device payments recorded (2025) · (774) 225-3723
Dr. Elizabeth Murphy, M.D.
Worcester, MA · No drug or device payments recorded (2025) · Telehealth · (508) 856-2325
Dr. Ellen Scepansky, M.D.
Worcester, MA · $43 in drug and device payments (2025) · (508) 363-5000
Dr. Ellie Davis
Worcester, MA · No drug or device payments recorded (2025) · (508) 334-8515
Dr. Emily Min, MD
Worcester, MA · No drug or device payments recorded (2025) · (508) 860-7800
Dr. Erdal Gursoy, MD, PHD
Worcester, MA · $970 in drug and device payments (2025) · (508) 334-1000
Dr. Eric Alper, M.D.
Worcester, MA · No drug or device payments recorded (2025) · (774) 441-6767
Dr. Erik Garcia, M.D.
Worcester, MA · No drug or device payments recorded (2025) · Telehealth · (508) 856-2818
Dr. Erin Thomas, MD
Worcester, MA · No drug or device payments recorded (2025) · (508) 856-1886
Dr. Evan Dang, DO
Worcester, MA · No drug or device payments recorded (2025) · (508) 334-8515

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

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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.