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. James Zhou, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-3874 Dr. Jan Cook, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 246-4896 Dr. Jane Healy, M.D. PH.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Jane Sillman, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-6047 Dr. Janet Hong, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 636-5000 Dr. Janet Larson, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 414-7399 Dr. Janet Monroe, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 667-7000 Dr. Janice Quan, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 414-5951 Dr. Jared Grochowsky, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 754-0100 Dr. Jared Kesselheim, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2066 Dr. Jarrad Aguirre, MD, MBABoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Jason Barrera, MD, PHDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 726-4900 Dr. Jason Block, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 732-6049 Dr. Jason Mclean, MD, MPHBoston, MA · No drug or device payments recorded (2025) ·
(617) 414-5951 Dr. Jason Roh, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 632-7828 Dr. Jason Wasfy, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 726-5660 Dr. Jason Worcester, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 414-5951 Dr. Jatin Roper, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 636-5883 Dr. Jayant GadreyBoston, MA · No drug or device payments recorded (2025) ·
(617) 636-5000 Dr. Jayashree Gandhi, DOBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 724-8050 Dr. Jaye Hefner, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 278-0055 Dr. Jay Luthar, M.D.Boston, MA · $56 in drug and device payments (2025) · Telehealth ·
(617) 676-2592 Dr. Jayne Doherty, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2707 Dr. J Crocker, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 724-1100 Dr. Jean-francois Dorval, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 232-3399 Dr. Jeanhee Chung, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2707 Dr. Jeanine Carlson, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 636-2800 Dr. Jean Pascoe, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 421-1194 Dr. Jeff Liao, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 724-3874 Dr. Jeffrey Engelman, MD PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-4000 Dr. Jeffrey Greenwald, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 643-6408 Dr. Jeffrey Levin-scherz, MD MBABoston, MA · No drug or device payments recorded (2025) ·
(617) 903-5000 Dr. Jeffrey Samet, M.D., M.A., M.P.H.Boston, MA · No drug or device payments recorded (2025) ·
(617) 414-5951 Dr. Jeffrey Schwartz, MDBoston, MA · $56 in drug and device payments (2025) · Telehealth ·
(617) 726-2000 Dr. Jeffrey Sellman, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 638-8000 Dr. Jeffrey Wong, M.D., PH.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Jehan Alladina, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2865 Dr. Jenifer Brown, M.D.Boston, MA · $17,159 in drug and device payments (2025) · Telehealth ·
(617) 732-5500 Dr. Jenna PortBoston, MA · No drug or device payments recorded (2025) ·
(617) 636-5000 Dr. Jennifer Brody, M.D., MPHBoston, MA · No drug or device payments recorded (2025) ·
(857) 654-1000 Dr. Jennifer Cluett, MDBoston, MA · $69 in drug and device payments (2025) · Telehealth ·
(617) 667-9600 Dr. Jennifer Crombie, M.D.Boston, MA · $30,469 in drug and device payments (2025) · Telehealth ·
(617) 732-5500 Dr. Jennifer Drummond, MD Dr. Jennifer Haas, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-6040 Dr. Jennifer Hanberg, MD, SMBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5325 Dr. Jennifer Hao, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 414-5951 Dr. Jennifer HongBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 724-6610 Dr. Jennifer Joe, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 903-5000 Dr. Jennifer Mcneely, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-5845 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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