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. Lewis Lipsitz, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 363-8318 Dr. Liam Jette, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 636-5000 Dr. Lianet Vazquez, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Lilit SargsyanBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Lillian ZerihunBoston, MA · No drug or device payments recorded (2025) ·
(617) 983-7025 Dr. Lillian Zhao, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 414-5951 Dr. Lily Devaraj, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 643-2401 Dr. Lina Ortega, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Linda Kaplan, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 636-5000 Dr. Lindsey Mahoney, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(401) 274-1122 Dr. Lindsey RaeBoston, MA · No drug or device payments recorded (2025) ·
(617) 636-5000 Dr. Lipika Samal, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 732-8200 Dr. Lipi Roy, M.D., M.P.H. Dr. Lisa Barna, M.D.Boston, MA · $14 in drug and device payments (2025) · Telehealth ·
(617) 495-6455 Dr. Lisa Lehmann, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Lisa Norton, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 638-6100 Dr. Lisa Rotenstein, MDBoston, MA · $26,110 in drug and device payments (2025) · Telehealth ·
(617) 732-5500 Dr. Lisa Simon, MD, DMDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 732-5775 Dr. Lisa Skowronek, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 414-5951 Dr. Lisa Stone, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 424-5282 Dr. Lisa Vercollone, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 983-7000 Dr. Li Zhou, M.D.Boston, MA · $40 in drug and device payments (2025) · Telehealth ·
(617) 667-9600 Dr. Lloyd Axelrod, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-8722 Dr. L Oliver, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-1721 Dr. Lora Stoianova, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-3874 Dr. Lori Balestrero, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 414-7399 Dr. Lori Tishler, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-6040 Dr. Lorraine Jennings, MB.BCHBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2865 Dr. Louise Francois, MD, MPHBoston, MA · No drug or device payments recorded (2025) ·
(617) 632-8266 Dr. L Robb-nicholson, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-4600 Dr. Lucy Sandler, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 373-7523 Dr. Lucy Schulson, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 677-7000 Dr. Ludek Pavlu, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 562-7502 Dr. Luisa StammBoston, MA · No drug or device payments recorded (2025) ·
(617) 525-6841 Dr. Luis Ticona, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 414-5951 Dr. Luke Pak, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 414-7399 Dr. Lynn BlackBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2707 Dr. Maclean Sellars, MD, PHDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 724-9557 Dr. Madeleine Matthiesen, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-7782 Dr. Madeleine Verhovsek, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 414-5726 Dr. Madeleine Wong, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 667-7000 Dr. Madeline Pesec, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Madhab Ray, MDBoston, MA · No drug or device payments recorded (2025) ·
(855) 776-4224 Dr. Madhu Wahi, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 726-4626 Dr. Madiha Bhatti, MD, M.ED. Dr. Maguire Herriman, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5775 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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