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. Isabel Lamour, M.D.Quincy, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 472-3400 Dr. Ivi Kasimati, MDQuincy, MA · No drug or device payments recorded (2025) ·
(617) 481-6905 Dr. Jean Borelli, MDQuincy, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 472-3400 Dr. Jenny Sun, M.D.Quincy, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 774-0840 Dr. Leslie-ann Alexander, M.D.Quincy, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 376-6600 Dr. Martha Moss, M.D.Quincy, MA · No drug or device payments recorded (2025) ·
(617) 774-0840 Dr. Mary Anne Mckendall, MDQuincy, MA · No drug or device payments recorded (2025) ·
(617) 246-9922 Dr. Matthew Zawasky, M.D.Quincy, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 471-0033 Dr. Michael Van HauteQuincy, MA · No drug or device payments recorded (2025) ·
(617) 296-4000 Dr. Mirza Baig, MDQuincy, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 774-0840 Dr. Nancy Drew, M.D.Quincy, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 471-0033 Dr. Nasir Bhatti, MDQuincy, MA · $20 in drug and device payments (2025) · Telehealth ·
(617) 471-0011 Dr. Nibal Harati, M.D.Quincy, MA · $258 in drug and device payments (2025) · Telehealth ·
(617) 820-5968 Dr. Nils Hoernle, M.D.Quincy, MA · No drug or device payments recorded (2025) · Telehealth ·
(781) 878-5200 Dr. Phyllis Troia, MDQuincy, MA · No drug or device payments recorded (2025) ·
(617) 246-4495 Dr. Qiao Ting Kuang, M.D.Quincy, MA · No drug or device payments recorded (2025) ·
(617) 774-0840 Dr. Robert Weinberg, M.D.Quincy, MA · No drug or device payments recorded (2025) ·
(617) 471-0033 Dr. Saima Khan, MDQuincy, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 471-0033 Dr. Seraphim Papajiannis, M.D.Quincy, MA · No drug or device payments recorded (2025) ·
(617) 479-8077 Dr. Shawn Shroff, M.D.Quincy, MA · $22 in drug and device payments (2025) · Telehealth ·
(857) 403-4600 Dr. Sheila Lawrence, M.D.Quincy, MA · No drug or device payments recorded (2025) ·
(617) 774-0840 Dr. Simon Ho, M.D.Quincy, MA · $25 in drug and device payments (2025) · Telehealth ·
(617) 479-3940 Dr. Steven Matfis, M.D.Quincy, MA · No drug or device payments recorded (2025) ·
(617) 774-0840 Dr. Trang Le, M.D.Quincy, MA · $125 in drug and device payments (2025) · Telehealth ·
(617) 786-1460 Dr. Walid Farah, MDQuincy, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 471-0033 Dr. Xinping Ren, M.D.Quincy, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 479-4450 Dr. Yanping Wen, M.D.Quincy, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 774-0600 Dr. Yan Tan, M.D.Quincy, MA · $150 in drug and device payments (2025) · Telehealth ·
(617) 481-1771 Dr. Ann Glasman, MDRandolph, MA · $88 in drug and device payments (2025) · Telehealth ·
(781) 961-1330 Dr. Maria Rodrigues, M.D.Randolph, MA · No drug or device payments recorded (2025) · Telehealth ·
(781) 986-1368 Dr. Marie Monestime, NURSE PRACTITIONERRandolph, MA · No drug or device payments recorded (2025) · Telehealth ·
(347) 447-2326 Dr. Ruth Mclain, M.D.Randolph, MA · No drug or device payments recorded (2025) ·
(781) 341-4145 Dr. Brian Kenny, M.D.Raynham, MA · No drug or device payments recorded (2025) ·
(508) 821-5700 Dr. Idayat Salami, MDRaynham, MA · No drug or device payments recorded (2025) ·
(508) 818-3629 Dr. Nawar Najjar, M.D.Raynham, MA · $1,461 in drug and device payments (2025) · Telehealth ·
(508) 738-6740 Dr. Anna Zlotina, M.D.Reading, MA · $30 in drug and device payments (2025) · Telehealth ·
(781) 942-4616 Dr. Brian Casserly, MDReading, MA · No drug or device payments recorded (2025) ·
(781) 944-0040 Dr. David Siegenberg, M.D.Reading, MA · $968 in drug and device payments (2025) ·
(781) 944-1166 Dr. Joseph Taylor, MDReading, MA · No drug or device payments recorded (2025) · Telehealth ·
(781) 944-0040 Dr. Lily Narusevicius, MDReading, MA · No drug or device payments recorded (2025) · Telehealth ·
(781) 213-5170 Dr. Lina Feldman, MDReading, MA · No drug or device payments recorded (2025) ·
(781) 245-1900 Dr. Michael Bresnahan, MDReading, MA · No drug or device payments recorded (2025) ·
(781) 944-0040 Dr. Natalia Yurkovetsky, MDReading, MA · No drug or device payments recorded (2025) · Telehealth ·
(978) 694-8999 Dr. Xiaohui Wang, M.D. PHD.Reading, MA · $194 in drug and device payments (2025) · Telehealth ·
(781) 213-5150 Dr. Amy Forrer, M.D.Revere, MA · No drug or device payments recorded (2025) · Telehealth ·
(781) 485-8222 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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