NPI Portal NPI Lookup & Verification

Internal Medicine in Massachusetts — NPI Providers

14,186 active Internal Medicine providers have a practice location in Massachusetts according to the latest NPPES snapshot. Each profile shows the NPI number, taxonomy code, license details, and practice address — useful for claims, credentialing, and verifying a provider.

Internal Medicine providers in Massachusetts

NPI Name Type Specialty Location
1962577320 A F Calvanese MD PC Organization Internal Medicine Physician Springfield, MA
1083764021 A. Gray Ellrodt Individual Internal Medicine Physician Pittsfield, MA
1740256676 A. Kim Saal Individual Cardiovascular Disease Physician Northampton, MA
1235111303 A. Ricard Individual Internal Medicine Physician Berlin, MA
1477552750 A. Tariq Malik, MD, Inc. Organization Gastroenterology Physician Gardner, MA
1366583403 Aaron Baggish Individual Cardiovascular Disease Physician Boston, MA
1598730749 Aaron Cypess Individual Endocrinology, Diabetes & Metabolism Physician Boston, MA
1255397402 Aaron Deykin Individual Pulmonary Disease Physician Boston, MA
1518167758 Aaron Hata Individual Medical Oncology Physician Boston, MA
1063478626 Aaron Kesselheim Individual Internal Medicine Physician Boston, MA
1457429904 Aaron Kugelmass Individual Interventional Cardiology Physician Springfield, MA
1720130420 Aaron Mann Individual Internal Medicine Physician Boston, MA
1861547762 Aaron Shepard Individual Internal Medicine Physician Milford, MA
1669461810 Aaron Waxman Individual Pulmonary Disease Physician Boston, MA
1245352319 Aba Somers Individual Pulmonary Disease Physician Norwood, MA
1598752834 Abbas Zaidi Individual Internal Medicine Physician Brighton, MA
1629055728 Abby Landzberg Individual Endocrinology, Diabetes & Metabolism Physician South Weymouth, MA
1588126510 Abdelrhman Abumoawad Individual Interventional Cardiology Physician Boston, MA
1851598478 Abdo Kataya Individual Pulmonary Disease Physician Worcester, MA
1932169463 Abdul Bhat Individual Internal Medicine Physician Framingham, MA
1194778159 Abdul Khadra Individual Internal Medicine Physician West Springfield, MA
1316901960 Abdul Sattar Memon Individual Hematology & Oncology Physician Fitchburg, MA
1821045550 Abdulfatah Elshaar Individual Internal Medicine Physician Norwood, MA
1366543225 Abena Addo Individual Internal Medicine Physician Fairhaven, MA
1447255336 Abendra Naidoo Individual Cardiovascular Disease Physician Westfield, MA
1497745806 Abigail Adams Individual Internal Medicine Physician Worcester, MA
1700834751 Abigail Orenstein Individual Critical Care Medicine (Internal Medicine) Physician Springfield, MA
1124111000 Abisola Mesioye Individual Internal Medicine Physician Bedford, MA
1073595260 Aboualkheir Alzaim Individual Internal Medicine Physician South Weymouth, MA
1518917186 Abraham Dietz Individual Internal Medicine Physician Hyannis, MA
1720267214 Abraham P. Dietz, MD Organization Internal Medicine Physician Hyannis, MA
1518062959 Abraham Zimelman Individual Hematology (Internal Medicine) Physician Boston, MA
1710102397 Academic Research Corporation Organization Internal Medicine Physician Boston, MA
1447365408 Acton Medical Associates, PC Organization Internal Medicine Physician Acton, MA
1730114794 Adam Bernstein Individual Internal Medicine Physician Boston, MA
1811983810 Adam Blacksin Individual Internal Medicine Physician Turners Falls, MA
1700841996 Adam Burrows Individual Geriatric Medicine (Internal Medicine) Physician Dorchester, MA
1467441857 Adam Cerel Individual Cardiovascular Disease Physician Ayer, MA
1811934417 Adam Cheifetz Individual Gastroenterology Physician Boston, MA
1649307075 Adam Crystal Individual Internal Medicine Physician Boston, MA
1437187283 Adam Gladstone Individual Internal Medicine Physician Dorchester Center, MA
1063460087 Adam Lerner Individual Medical Oncology Physician Boston, MA
1306872452 Adam Paszkowski Individual Internal Medicine Physician Southbridge, MA
1851374359 Adam Rose Individual Internal Medicine Physician Boston, MA
1346452737 Adam Saltzman Individual Advanced Heart Failure and Transplant Cardiology Physician Fall River, MA
1164480810 Adam Segal Individual Nephrology Physician Burlington, MA
1053412833 Adam Strozier Individual Pulmonary Disease Physician Peabody, MA
1003806902 Adam Wychowski Individual Internal Medicine Physician Springfield, MA
1184724163 Adams Internists,P.C. Organization Internal Medicine Physician Adams, MA
1467401398 Adams Medical Associates Organization Geriatric Medicine (Internal Medicine) Physician Quincy, MA

Internal Medicine by city in Massachusetts

Frequently asked questions

How many Internal Medicine providers are in Massachusetts?
The latest NPPES snapshot lists 14,186 active providers with Internal Medicine as their primary taxonomy and a practice location in Massachusetts.
How do I verify a Internal Medicine provider's NPI in Massachusetts?
Open the provider's profile below to see their NPI, taxonomy code, license state, and practice address, then cross-check against the official NPPES registry (linked on every profile).
Can I get this data through an API?
Yes — the NPI Portal API provides JSON search by specialty, state, and city, plus batch NPI verification.

Source: CMS NPPES (public data). Snapshot 2026-07-10.