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. Bera Yildiz, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 789-3000 Dr. Beret AmundsonBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 732-5500 Dr. Bernard Kreger, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 414-5951 Dr. Bernard Perlman, MDBoston, MA · No drug or device payments recorded (2025) ·
(207) 647-2311 Dr. Bessie ZhangBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Bethany Fixsen, MD, PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Bethany Roy, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 754-4677 Dr. Beth Schaff, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 654-7467 Dr. Beverly Woo, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 732-6043 Dr. B. Forrow, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-1355 Dr. Bijay Acharya, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Bilal Siddiqui, M.D.Boston, MA · $4,470 in drug and device payments (2025) · Telehealth ·
(617) 667-7000 Dr. Bill Lian, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 732-6040 Dr. Bismarck Cadet, MDBoston, MA · No drug or device payments recorded (2025) ·
(671) 500-2985 Dr. Blair Fosburgh, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 724-4600 Dr. Blair Robinson, MD MPHBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2000 Dr. Blake Bewley, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 789-3000 Dr. Bobak Azamian, M.D., D. PHIL.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-5845 Dr. Bonnie Dunne, M.DBoston, MA · No drug or device payments recorded (2025) ·
(617) 667-7000 Dr. Bonnie Southworth, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(612) 732-6315 Dr. Bradford Diephuis, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Bradley Tun, M.D.Boston, MA · $75 in drug and device payments (2025) · Telehealth ·
(617) 414-5951 Dr. Bram Wispelwey, M.D., M.S.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Brandon Cobbins, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-6610 Dr. Brandon HayseBoston, MA · No drug or device payments recorded (2025) ·
(617) 754-4677 Dr. Brando Salussolia, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 414-7399 Dr. Brent Ragar, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 726-5317 Dr. Brett Dumas, MDBoston, MA · $1,881 in drug and device payments (2025) · Telehealth ·
(617) 636-5000 Dr. Brett Simchowitz, MD, MPHBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-3874 Dr. Briain Macneill, MBBCHBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-8052 Dr. Brian Bakofen, DOBoston, MA · No drug or device payments recorded (2025) ·
(617) 267-0900 Dr. Brian Green, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(867) 364-6772 Dr. Brian Hobbs, MD, MMSCBoston, MA · No drug or device payments recorded (2025) ·
(617) 667-5864 Dr. Brianne Hackman, M.D.Boston, MA · $582 in drug and device payments (2025) · Telehealth ·
(857) 203-3169 Dr. Brian Powers, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Brinda Balakrishnan, M.D., PH.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-7000 Dr. Britain Nicholson, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-6610 Dr. Brittany Bychkovsky, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 632-6973 Dr. Bruce Bistrian, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 632-8545 Dr. Bruce Chabner, MDBoston, MA · $32,305 in drug and device payments (2025) ·
(617) 724-3200 Dr. Bruce Landon, M.D.Boston, MA · $12,000 in drug and device payments (2025) · Telehealth ·
(617) 667-9600 Dr. Bruce Mitlak, M.D.Boston, MA · $2,400 in drug and device payments (2025) ·
(617) 949-1258 Dr. Bruno Bockorny, M.D.Boston, MA · $1,925 in drug and device payments (2025) · Telehealth ·
(617) 667-9256 Dr. Bryan Bordeaux, D.O.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 859-5101 Dr. Bryan Ulrich, MDBoston, MA · $1,791 in drug and device payments (2025) ·
(773) 495-3611 Dr. Caitlin Bove, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 433-9601 Dr. Caitlin FaiBoston, MA · No drug or device payments recorded (2025) ·
(617) 636-5000 Dr. Caitlin Fawcett, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-9600 Dr. Caitrin Kelly, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-9557 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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