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. Dea Angiolillo, M.D.Wellesley, MA · No drug or device payments recorded (2025) ·
(781) 431-5205 Dr. Deborah Hadley, M.D.Wellesley, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 219-1510 Dr. Denise Mayo, M.D.Wellesley, MA · No drug or device payments recorded (2025) ·
(617) 219-1510 Dr. Dianne Quibell, M.D.Wellesley, MA · $154 in drug and device payments (2025) ·
(781) 431-0002 Dr. Edward Legare, M.D.Wellesley, MA · $80 in drug and device payments (2025) · Telehealth ·
(781) 235-1224 Dr. Erica Johnson, M.D.Wellesley, MA · No drug or device payments recorded (2025) ·
(617) 219-1510 Dr. Eric Serrano, MDWellesley, MA · No drug or device payments recorded (2025) · Telehealth ·
(781) 235-1224 Dr. Eve Sobel, M.D.Wellesley, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 219-1510 Dr. Fenny Lin, M.D.Wellesley, MA · No drug or device payments recorded (2025) ·
(781) 431-5420 Dr. Francis Wang, MDWellesley, MA · $152 in drug and device payments (2025) ·
(781) 226-2310 Dr. Genevieve Anand, MDWellesley, MA · No drug or device payments recorded (2025) · Telehealth ·
(781) 235-5200 Dr. Ida Gorenburg, M.D.Wellesley, MA · $14 in drug and device payments (2025) · Telehealth ·
(781) 431-5220 Dr. Irina Ohanian, M.D.Wellesley, MA · $14 in drug and device payments (2025) · Telehealth ·
(781) 431-5220 Dr. James Levine, M.D.Wellesley, MA · No drug or device payments recorded (2025) ·
(617) 731-0058 Dr. James Sidel, M.D.Wellesley, MA · No drug or device payments recorded (2025) ·
(781) 237-3057 Dr. Janet Chang, M.D.Wellesley, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 219-1510 Dr. Jeanne Richard, MDWellesley, MA · No drug or device payments recorded (2025) · Telehealth ·
(781) 943-3000 Dr. Jennifer Paterson, M.D.Wellesley, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 219-1510 Dr. Jerome Kassirer, M.D.Wellesley, MA · No drug or device payments recorded (2025) ·
(781) 237-1971 Dr. Joanne Wilkinson, M.D.Wellesley, MA · $14 in drug and device payments (2025) · Telehealth ·
(781) 431-5220 Dr. John Bordiuk, MDWellesley, MA · No drug or device payments recorded (2025) · Telehealth ·
(781) 239-9900 Dr. John Ingard, M.D.Wellesley, MA · No drug or device payments recorded (2025) ·
(781) 431-5420 Dr. John Kryder, M.D.Wellesley, MA · No drug or device payments recorded (2025) ·
(781) 431-2424 Dr. John Whyman, M.D.Wellesley, MA · No drug or device payments recorded (2025) ·
(781) 431-5220 Dr. Jordan Busch, M.D.Wellesley, MA · No drug or device payments recorded (2025) ·
(617) 731-0058 Dr. Judith Scott, M.D.Wellesley, MA · No drug or device payments recorded (2025) ·
(781) 431-2345 Dr. Julie Elgas, MDWellesley, MA · No drug or device payments recorded (2025) ·
(781) 235-5200 Dr. Kalina Bergmann, PA-CWellesley, MA · No drug or device payments recorded (2025) ·
(781) 431-5220 Dr. Karen Isselbacher, MDWellesley, MA · $24 in drug and device payments (2025) · Telehealth ·
(781) 444-3550 Dr. Kathryn Deanzeris, M.D.Wellesley, MA · $70 in drug and device payments (2025) · Telehealth ·
(781) 235-1224 Dr. Katrina Klaus, D.O.Wellesley, MA · $14 in drug and device payments (2025) · Telehealth ·
(781) 431-5420 Dr. Kristina Stjernfeldt, M.D.Wellesley, MA · $361 in drug and device payments (2025) ·
(617) 731-0058 Dr. Laura Mccord, MDWellesley, MA · No drug or device payments recorded (2025) · Telehealth ·
(781) 591-3514 Dr. Laura Rabideau, M.D.Wellesley, MA · $53 in drug and device payments (2025) · Telehealth ·
(781) 237-3395 Dr. Leland Hull, MD, MPHWellesley, MA · No drug or device payments recorded (2025) ·
(781) 808-2921 Dr. Li Tso, M.D.Wellesley, MA · $95 in drug and device payments (2025) · Telehealth ·
(781) 772-8100 Dr. Martha Wu, M.D.Wellesley, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 731-0058 Dr. Mary Barker, M.D.Wellesley, MA · $14 in drug and device payments (2025) · Telehealth ·
(781) 431-5220 Dr. Mary Brogan, M.D.Wellesley, MA · No drug or device payments recorded (2025) ·
(781) 431-5220 Dr. Meghan Garcia Webb, M.D.Wellesley, MA · $37 in drug and device payments (2025) · Telehealth ·
(781) 431-1200 Dr. Mun Kim, M.D.Wellesley, MA · No drug or device payments recorded (2025) ·
(781) 431-5220 Dr. Nahum Vishniavsky, M.D.Wellesley, MA · No drug or device payments recorded (2025) ·
(781) 431-5460 Dr. Nancy Corliss, MDWellesley, MA · No drug or device payments recorded (2025) ·
(617) 731-0058 Dr. Nancy Haff, MDWellesley, MA · No drug or device payments recorded (2025) ·
(781) 772-8600 Dr. Nancy Venditti, M.D.Wellesley, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 219-1510 Dr. Natalie Pauli, MDWellesley, MA · $20 in drug and device payments (2025) · Telehealth ·
(781) 519-6063 Dr. Nicole LarueWellesley, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 219-1510 Dr. Peter Britton, M.D.Wellesley, MA · $14 in drug and device payments (2025) · Telehealth ·
(781) 431-5420 Dr. Rebecca Hill, M.D.Wellesley, MA · $14 in drug and device payments (2025) · Telehealth ·
(781) 431-5200 Dr. Robert A Herman, M.D.Wellesley, MA · No drug or device payments recorded (2025) ·
(617) 509-6025 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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