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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. John Hickey, MD
Lenox, MA · No drug or device payments recorded (2025) · Telehealth · (413) 344-1700
Dr. Mark Liponis, M.D.
Lenox, MA · No drug or device payments recorded (2025) · (413) 881-4075
Dr. Nada Esa, MD
Lenox, MA · No drug or device payments recorded (2025) · (508) 733-7537
Dr. Terra Lampiasi, D.O.
Lenox, MA · No drug or device payments recorded (2025) · Telehealth · (413) 344-1700
Dr. Terry Weaver, M.D.
Lenox, MA · No drug or device payments recorded (2025) · (413) 243-0122
Dr. Todd Lepine
Lenox, MA · No drug or device payments recorded (2025) · (413) 637-4100
Dr. Ashraf Elkerm, MD
Leominster, MA · $213 in drug and device payments (2025) · (978) 537-0771
Dr. Barbara Masley, M.D.
Leominster, MA · No drug or device payments recorded (2025) · Telehealth · (978) 534-0230
Dr. Binu Pathrose, MD
Leominster, MA · No drug or device payments recorded (2025) · (978) 466-4169
Dr. Daniel O'leary, M.D.
Leominster, MA · $51 in drug and device payments (2025) · Telehealth · (978) 534-4241
Dr. David Nesanelis, M.D.
Leominster, MA · $1,575 in drug and device payments (2025) · (978) 466-4169
Dr. David Petullo, MD
Leominster, MA · No drug or device payments recorded (2025) · (978) 466-4169
Dr. Edward Kamens, M.D.
Leominster, MA · No drug or device payments recorded (2025) · (978) 466-2148
Dr. Eric Cotter, MD
Leominster, MA · No drug or device payments recorded (2025) · (978) 534-6863
Dr. Fnu Mohammed Faisaluddin
Leominster, MA · No drug or device payments recorded (2025) · (978) 466-4169
Dr. Glenn Allison, M.D.
Leominster, MA · No drug or device payments recorded (2025) · Telehealth · (978) 466-4169
Dr. Imran Karim, MD
Leominster, MA · No drug or device payments recorded (2025) · (978) 466-4169
Dr. Jancy Thomas, MD
Leominster, MA · No drug or device payments recorded (2025) · (978) 466-4169
Dr. Jay Glaser, MD
Leominster, MA · No drug or device payments recorded (2025) · (978) 466-4169
Dr. Jeisa Gomez Torres, M.D.
Leominster, MA · No drug or device payments recorded (2025) · (978) 466-4169
Dr. Jenny Yan, M.D.
Leominster, MA · No drug or device payments recorded (2025) · (978) 466-4169
Dr. Julian. Sanchez-cruz., M.D.
Leominster, MA · No drug or device payments recorded (2025) · (978) 466-4243
Dr. Jyoti Nagarkar, MD
Leominster, MA · No drug or device payments recorded (2025) · Telehealth · (978) 534-0230
Dr. Khalid Yacoub, M.D.
Leominster, MA · No drug or device payments recorded (2025) · (978) 466-4169
Dr. Kimberly Ebb, MD
Leominster, MA · No drug or device payments recorded (2025) · (978) 466-2277
Dr. Kyaw Aung, MD
Leominster, MA · No drug or device payments recorded (2025) · (978) 466-4169
Dr. Mark Haberman, M.D.
Leominster, MA · $63 in drug and device payments (2025) · (978) 534-6863
Dr. Mark Hryniewich, MD
Leominster, MA · No drug or device payments recorded (2025) · (978) 466-3212
Dr. Matthew Zanghi, M.D.
Leominster, MA · $51 in drug and device payments (2025) · Telehealth · (978) 534-4241
Dr. Michael Sheehy, MD
Leominster, MA · No drug or device payments recorded (2025) · (978) 466-3212
Dr. Myria Munoz, MD
Leominster, MA · No drug or device payments recorded (2025) · (978) 466-3212
Dr. Praveen Devineni, M.D
Leominster, MA · No drug or device payments recorded (2025) · (978) 466-4169
Dr. Ralph Spada, M.D., FACP
Leominster, MA · No drug or device payments recorded (2025) · (978) 840-0055
Dr. Ramzi Khazen, MD
Leominster, MA · $35 in drug and device payments (2025) · (316) 680-6030
Dr. Rene Umanzor, MD
Leominster, MA · No drug or device payments recorded (2025) · (978) 465-4169
Dr. Robert Fraser, M.D.
Leominster, MA · No drug or device payments recorded (2025) · (978) 534-4241
Dr. Soni Gurung, MD
Leominster, MA · $464 in drug and device payments (2025) · (978) 466-4169
Dr. Stephen Child, M.D.
Leominster, MA · No drug or device payments recorded (2025) · (978) 514-8704
Dr. Sunny Jain, M.D.
Leominster, MA · No drug or device payments recorded (2025) · (978) 466-4169
Dr. Val Slayton, MD
Leominster, MA · No drug or device payments recorded (2025) · (978) 466-2005
Dr. William Brodkin, M.D.
Leominster, MA · No drug or device payments recorded (2025) · (978) 537-6639
Dr. Yue Shen, MD
Leominster, MA · No drug or device payments recorded (2025) · (978) 534-0230
Dr. Alice Lee, MD
Lexington, MA · No drug or device payments recorded (2025) · Telehealth · (617) 789-3000
Dr. Andrew Nichols, MD
Lexington, MA · No drug or device payments recorded (2025) · Telehealth · (781) 862-7500
Dr. Cary Pfeffer, M.D.
Lexington, MA · No drug or device payments recorded (2025) · (781) 863-0778
Dr. Christine Winger, M.D.
Lexington, MA · No drug or device payments recorded (2025) · Telehealth · (781) 372-7100
Dr. Daniel Erler, MD MPH
Lexington, MA · No drug or device payments recorded (2025) · Telehealth · (781) 372-7179
Dr. David Ives, MD
Lexington, MA · No drug or device payments recorded (2025) · Telehealth · (781) 528-2440
Dr. Elaine Grunberg, M.D.
Lexington, MA · No drug or device payments recorded (2025) · (781) 674-1343
Dr. Eleanor Gilbert, MD
Lexington, MA · No drug or device payments recorded (2025) · Telehealth · (888) 249-4575

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.