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. Heather Stein, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-4400 Dr. Hebist Berhane, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Heidi Behforouz, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Heidi Blake, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-2455 Dr. Helen D'couto, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 726-2000 Dr. Helen Delichatsios, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 726-4900 Dr. Helen Hunt, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 654-7299 Dr. Helen Knight, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2000 Dr. Helen Leibner, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 732-6040 Dr. Helen Wang, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-3874 Dr. Hemal Sampat, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 724-3874 Dr. Hema Pingali, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 732-5775 Dr. Henry Carnes, DOBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2000 Dr. Henry Chueh, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 726-7939 Dr. Henry Donaghy, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 636-7468 Dr. Henry Maltz, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 859-5102 Dr. Henry Trier, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 414-4676 Dr. Herman Lee, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(857) 364-4418 Dr. Herrick FisherBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Hideo Makimura, M.D., PH.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 726-7948 Dr. Hien Le, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-3842 Dr. Hila Calev, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-7000 Dr. Hildred Pennoyer, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 421-5804 Dr. Hina Malik, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Holly Dockery, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5775 Dr. Hong Chen Cheung, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(857) 307-2200 Dr. Howard Lewine, M.D.Boston, MA · $1,395 in drug and device payments (2025) ·
(617) 732-5500 Dr. Howard Libman, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 667-9699 Dr. H. Thomas, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 262-1500 Dr. Hubert RobertsBoston, MA · $124 in drug and device payments (2025) · Telehealth ·
(617) 927-6000 Dr. Hugo Calavia Liano, MD Dr. Hung Do, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 414-7399 Dr. Hung Vo, M.DBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 638-7460 Dr. Husne TurkcanBoston, MA · $27 in drug and device payments (2025) · Telehealth ·
(617) 654-7295 Dr. Hussain Lalani, MD MPHBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 732-6040 Dr. H Warren, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-3812 Dr. Hyungjin Cho, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Ian Allen, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2865 Dr. Ian BarbashBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2865 Dr. Ian Huntington, MDBoston, MA · $26 in drug and device payments (2025) · Telehealth ·
(617) 732-6040 Dr. Ibrahim Barry, M.D, M.P.H, Dr. Indira Konanur, DOBoston, MA · No drug or device payments recorded (2025) ·
(617) 903-5009 Dr. Ingrid Bassett, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-3906 Dr. Ingrid Katz, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-6600 Dr. Ingrid Salciccioli, MBBS, MPHBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2870 Dr. Inna Galay, DOBoston, MA · No drug or device payments recorded (2025) ·
(617) 789-3000 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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