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 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. Judith Sernamontros, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-9197 Dr. Judson Englert, M.D., PH.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Judyann Bigby, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-6043 Dr. Judy Lieberman, MD, PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 278-3106 Dr. Judy Pham, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-9557 Dr. Juhee McdougalBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 414-5951 Dr. Jules Dienstag, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-7450 Dr. Julia FlemingBoston, MA · No drug or device payments recorded (2025) ·
(617) 267-0900 Dr. Julia Hsu, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 724-2700 Dr. Julia Jezmir, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Julia Lindenberg, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 667-9600 Dr. Julia Maheshwari, MDBoston, MA · $182 in drug and device payments (2025) · Telehealth ·
(617) 726-2066 Dr. Juliana Lawrence, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 355-4956 Dr. Juliana Simonetti, M.D.Boston, MA · $18,147 in drug and device payments (2025) ·
(617) 421-8843 Dr. Julia Nath, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 754-9600 Dr. Julian Maldonado-alers, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 414-7399 Dr. Julian Mitton, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2865 Dr. Juliann Shih, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 638-7480 Dr. Julie Fiore, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-5820 Dr. Julie Kaufman, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 654-7220 Dr. Julie Kaufmann, M.D.-PH.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-9600 Dr. Julie Krutiak, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 421-5950 Dr. Julie Leann Fu, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 726-2000 Dr. Julie Levison, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-8881 Dr. Julien Dedier, MD MPHBoston, MA · No drug or device payments recorded (2025) ·
(617) 414-5951 Dr. Jun Park, MD, PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5775 Dr. Justine Blum, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 632-0362 Dr. Justin Lowenthal, MD, PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5775 Dr. Kaitlin Fitzpatrick, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 726-4900 Dr. Kanchan Ganda, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 636-4055 Dr. Kanika Mahajan, MBBSBoston, MA · No drug or device payments recorded (2025) ·
(617) 278-0055 Dr. Kara Dillon, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 414-5951 Dr. Kara Reinhardt Block, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 636-5000 Dr. Karen Blumenthal, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 726-2865 Dr. Karen Carlson, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-6700 Dr. Karen Freund, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 638-7428 Dr. Karen JiangBoston, MA · No drug or device payments recorded (2025) ·
(617) 278-0055 Dr. Karen Lasser, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 414-5951 Dr. Karen Wood, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 859-5102 Dr. Kari Gillmeyer, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 638-7480 Dr. Karim SariahmedBoston, MA · No drug or device payments recorded (2025) ·
(617) 414-5951 Dr. Karim Yatim, M.D.Boston, MA · $15 in drug and device payments (2025) · Telehealth ·
(617) 732-5500 Dr. Karina Ruiz-esteves, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-5820 Dr. Karla Kendrick, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 754-9600 Dr. Karuna Ganesh, MBBCHIR, PHDBoston, MA · $7,848 in drug and device payments (2025) · Telehealth ·
(617) 632-8266 Dr. Katarina Luptakova, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 789-3000 Dr. Kate Koplan, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 421-8843 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.
Related reading on HealthcareDiscovery.AI
Internal Medicine in all 50 states Search all 6,796 in the directory Ask Zach for help choosing
Related
