NPI Portal NPI Lookup & Verification

Internal Medicine in Newton, MA

145 active Internal Medicine providers practice in Newton, Massachusetts according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.

Internal Medicine providers in Newton, MA
NPI Name Type Specialty Location
1750454997 Alexander Kopp Individual Internal Medicine Physician Newton Lower Falls, MA
1730257080 Alexander Kopp, MD, PC Organization Internal Medicine Physician Newton Lower Falls, MA
1063559326 Alexandra Natova Individual Internal Medicine Physician Newton, MA
1154514974 Alfred Kaplan Individual Internal Medicine Physician Newton, MA
1144412396 Alla I. Neyshtadt, M.D., PC.. Organization Addiction Medicine (Internal Medicine) Physician Newton, MA
1063576296 Alla Neyshtadt Individual Internal Medicine Physician Newton, MA
1104813443 Allan Engel Individual Internal Medicine Physician Newton Lower Falls, MA
1417090804 Andrew Epstein Individual Internal Medicine Physician Newton, MA
1356408769 Anna Mitus Individual Hematology & Oncology Physician Newton, MA
1699727222 Aran Kadar Individual Critical Care Medicine (Internal Medicine) Physician Newton, MA
1043223266 Arthur Kennedy Individual Internal Medicine Physician Newton, MA
1639212038 Arthur Sasahara Individual Cardiovascular Disease Physician Newton, MA
1154310332 Avrohm Melnick Individual Geriatric Medicine (Internal Medicine) Physician Newton, MA
1841254679 Barbara Healey Individual Medical Oncology Physician Newton, MA
1679511992 Barbara Stewart Individual Internal Medicine Physician Newton Center, MA
1457392714 Benjamin Levitzky Individual Gastroenterology Physician Newton, MA
1295792802 Bradford Weiner Individual Internal Medicine Physician Newton, MA
1265414973 Brenda Corrigan Individual Interventional Cardiology Physician Newton, MA
1093808792 Brett Leav Individual Internal Medicine Physician Newton, MA
1033253729 Brita Lundberg Individual Infectious Disease Physician Newton Centre, MA
1770641425 Bruce Tofias Organization Internal Medicine Physician Newton, MA
1851368633 Caroline Block Individual Medical Oncology Physician Newton, MA
1306802798 Carolyn Kreinsen Individual Internal Medicine Physician Newton, MA
1295884971 Charles Safran Individual Internal Medicine Physician Newton, MA
1932175379 Cynthia Korzelius Individual Nephrology Physician Newton, MA
1609890144 David Huckins Individual Rheumatology Physician Newton, MA
1073571436 David Wachs Individual Internal Medicine Physician Newton, MA
1689657686 David Wyler Individual Internal Medicine Physician Newton, MA
1184683617 Dennis Lee Individual Gastroenterology Physician Newton, MA
1992701502 Don Goldenberg Individual Rheumatology Physician Newton, MA
1366537581 Elinor Baron Individual Infectious Disease Physician Newton, MA
1922083542 Elissa Kaplan Individual Gastroenterology Physician Newton, MA
1639399876 Gastroenterology Healthcare Associates PC Organization Gastroenterology Physician Newton, MA
1063594828 Geraldine Zabik Individual Internal Medicine Physician Newton Lower Falls, MA
1982755641 Glenn Laffel Individual Cardiovascular Disease Physician Newton Center, MA
1871540666 Harry Schrager Individual Internal Medicine Physician Newton, MA
1073571998 Harry Stanger Individual Internal Medicine Physician Newton, MA
1700837077 Heng Tan Individual Internal Medicine Physician Newton, MA
1043352107 Henry M. Yager, MD PC Organization Nephrology Physician Newton, MA
1902865363 Henry Yager Individual Nephrology Physician Newton, MA
1083778187 Howard Tarko Individual Internal Medicine Physician Newton, MA
1871569681 Inna Vernovsky Individual Critical Care Medicine (Internal Medicine) Physician Newton, MA
1720050586 James Todd Individual Cardiovascular Disease Physician Newton, MA
1093773947 Jeffrey Rothschild Individual Critical Care Medicine (Internal Medicine) Physician Newton, MA
1972721678 Joel Auslander Individual Internal Medicine Physician Newton, MA
1700872330 John Dowling Individual Internal Medicine Physician Newton, MA
1548314644 John F. O'Brien, M.D., P.C. Organization Internal Medicine Physician Newton Lower Falls, MA
1003018367 John Freedman Individual Internal Medicine Physician Newton, MA
1588678965 John O Brien Individual Internal Medicine Physician Newton Lower Falls, MA
1013949551 John Yang Individual Hematology & Oncology Physician Newton, MA

Frequently asked questions

How many Internal Medicine providers are in Newton, MA?
The latest NPPES snapshot lists 145 active Internal Medicine providers with a practice address in Newton, Massachusetts.
How do I check a Internal Medicine provider's NPI in Newton?
Open a profile below to see the NPI number, taxonomy code, and practice address, then verify against the official NPPES registry — every profile links directly to the CMS record.

Source: CMS NPPES (public data). Snapshot 2026-07-09.