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. Diana Post, MDJamaica Plain, MA · No drug or device payments recorded (2025) ·
(619) 983-4493 Dr. Gail Levine, MDJamaica Plain, MA · No drug or device payments recorded (2025) ·
(617) 983-4100 Dr. Geraldine Zagarella, M.D.Jamaica Plain, MA · No drug or device payments recorded (2025) ·
(617) 522-5464 Dr. Gonzalo Graupera, MDJamaica Plain, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 983-4100 Dr. Hannah Lin, MDJamaica Plain, MA · No drug or device payments recorded (2025) ·
(617) 971-3337 Dr. Hubertus Kiefl, MDJamaica Plain, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 522-4700 Dr. Hyun Shin, MD,SCD,MS,MPHJamaica Plain, MA · $28 in drug and device payments (2025) ·
(617) 522-8110 Dr. John Jainchill, M.D.Jamaica Plain, MA · No drug or device payments recorded (2025) ·
(617) 522-5464 Dr. John Jewett, M.D.Jamaica Plain, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 522-4700 Dr. Jonathan Lee, M.D.Jamaica Plain, MA · $1,005 in drug and device payments (2025) · Telehealth ·
(617) 522-4400 Dr. Karen Siller, MDJamaica Plain, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 983-4100 Dr. Karl Laskowski, MDJamaica Plain, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 983-4430 Dr. Kevin Chang, MDJamaica Plain, MA · $54 in drug and device payments (2025) ·
(617) 522-8110 Dr. Kimberly Ocallaghan, NPJamaica Plain, MA · No drug or device payments recorded (2025) ·
(617) 477-4929 Dr. Kristen Medley, MDJamaica Plain, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 983-7000 Dr. Leslie Cohen, MDJamaica Plain, MA · No drug or device payments recorded (2025) ·
(617) 522-2401 Dr. Liliana Rosselli Risal, MDJamaica Plain, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 983-4100 Dr. Li-min Teng, MDJamaica Plain, MA · No drug or device payments recorded (2025) ·
(857) 364-4418 Dr. Linda Lauretti, M.D.Jamaica Plain, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 522-7041 Dr. Lisa Owens, MDJamaica Plain, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 983-7699 Dr. Lydia Siegel, MD, MPHJamaica Plain, MA · No drug or device payments recorded (2025) ·
(857) 307-3300 Dr. Maria Copello, M.D.Jamaica Plain, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 522-7041 Dr. Marie Turner, M.D.Jamaica Plain, MA · No drug or device payments recorded (2025) ·
(617) 522-8110 Dr. Mayra Cruz Polanco, M.DJamaica Plain, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 522-5464 Dr. Megan Gerber, MD MPHJamaica Plain, MA · No drug or device payments recorded (2025) · Telehealth ·
(857) 364-4418 Dr. Michael Healey, MDJamaica Plain, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 983-4430 Dr. Mohini Daya, M.D.Jamaica Plain, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 522-4700 Dr. Nicholas Picariello, M.D.Jamaica Plain, MA · No drug or device payments recorded (2025) ·
(617) 983-4410 Dr. Orietta Miatto, MDJamaica Plain, MA · No drug or device payments recorded (2025) ·
(617) 983-7845 Dr. Robert Hartley, MDJamaica Plain, MA · No drug or device payments recorded (2025) ·
(617) 522-4700 Dr. Robert Oldshue, MDJamaica Plain, MA · No drug or device payments recorded (2025) ·
(617) 983-4100 Dr. Roy Welker, MDJamaica Plain, MA · No drug or device payments recorded (2025) ·
(617) 687-9085 Dr. Salah Alrakawi, MDJamaica Plain, MA · $148 in drug and device payments (2025) · Telehealth ·
(857) 307-3300 Dr. Samika KanekarJamaica Plain, MA · No drug or device payments recorded (2025) ·
(617) 522-8110 Dr. Silke Krieger, MDJamaica Plain, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 983-7000 Dr. Soraya Naqvi, MDJamaica Plain, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 522-4700 Dr. Staci Eisenberg, MDJamaica Plain, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 983-7025 Dr. Tomoko OkadaJamaica Plain, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 638-6500 Dr. Adnan El-amine, M.D.Kingston, MA · $1,023 in drug and device payments (2025) · Telehealth ·
(781) 585-5518 Dr. Jonathan Metzger, MDKingston, MA · No drug or device payments recorded (2025) ·
(781) 585-2200 Dr. Mara Linscott, MDKingston, MA · No drug or device payments recorded (2025) · Telehealth ·
(781) 585-2200 Dr. Thomas Castiglione, M.D.Kingston, MA · No drug or device payments recorded (2025) ·
(781) 585-2200 Dr. Thomas Cody, M.D.Kingston, MA · No drug or device payments recorded (2025) ·
(781) 585-2172 Dr. Robert Friedman, M.D.Lakeville, MA · No drug or device payments recorded (2025) ·
(508) 947-8517 Dr. Sharon Marable, MDLakeville, MA · No drug or device payments recorded (2025) ·
(508) 946-0202 Dr. Raymond Sauls, MDLancaster, MA · $1,347 in drug and device payments (2025) ·
(978) 368-1227 Dr. Alice Ling, MDLanesboro, MA · $57 in drug and device payments (2025) ·
(413) 236-0995 Dr. Anne Murray-chiriboga, MDLawrence, MA · No drug or device payments recorded (2025) ·
(978) 683-4000 Dr. Ann Hwang, M.D.Lawrence, MA · No drug or device payments recorded (2025) ·
(978) 620-0790 Dr. Astrid Gutierrez, MDLawrence, MA · No drug or device payments recorded (2025) ·
(978) 683-4000 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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