NPI Portal NPI Lookup & Verification

Internal Medicine in Westborough, MA

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

Internal Medicine providers in Westborough, MA
NPI Name Type Specialty Location
1841853181 Advalent Health Services Tx, PA Organization Internal Medicine Physician Westborough, MA
1932187846 Andal Sadagopan Individual Internal Medicine Physician Westborough, MA
1134430747 Anthony Zizza Individual Geriatric Medicine (Internal Medicine) Physician Westborough, MA
1457360588 Arthur Brewer Individual Internal Medicine Physician Westborough, MA
1194771220 Christine Fitzgibbons Individual Sleep Medicine (Internal Medicine) Physician Westborough, MA
1861483752 Claus Hamann Individual Geriatric Medicine (Internal Medicine) Physician Westborough, MA
1407839392 Clifford Behmer Individual Internal Medicine Physician Westborough, MA
1518934405 David Levitin Individual Internal Medicine Physician Westborough, MA
1245729656 David Stein Individual Internal Medicine Physician Westborough, MA
1508213471 Eastern Medical Associates LLC Organization Internal Medicine Physician Westborough, MA
1902853690 Elisabeth Brewer Individual Internal Medicine Physician Westborough, MA
1518271485 Eriola Terova Individual Internal Medicine Physician Westborough, MA
1932113446 Faiyaz Hakim Individual Internal Medicine Physician Westborough, MA
1235110594 Gordon Manning Individual Internal Medicine Physician Westborough, MA
1427849876 Harmony Healthcare & Services Organization Internal Medicine Physician Westborough, MA
1326029802 Jaroslaw Jac Individual Hematology & Oncology Physician Westborough, MA
1710976709 Jerome Siegel Individual Internal Medicine Physician Westborough, MA
1396965315 Joanne Sullivan Individual Internal Medicine Physician Westborough, MA
1558426262 John Toomey Individual Internal Medicine Physician Westborough, MA
1740631233 Margaret Oliverio Individual Internal Medicine Physician Westborough, MA
1245389915 Matthew Bonner Individual Internal Medicine Physician Westborough, MA
1699765776 Mohsen Noreldin Individual Pulmonary Disease Physician Westborough, MA
1528849965 Mohsen Noreldin MD Mph Pllc Organization Internal Medicine Physician Westborough, MA
1073564225 Nandana Kansra Individual Internal Medicine Physician Westborough, MA
1114994019 Ninad Samant Individual Internal Medicine Physician Westborough, MA
1861478059 Parmender Bagga Individual Internal Medicine Physician Westborough, MA
1013119221 Rekha Nair Individual Internal Medicine Physician Westborough, MA
1740263417 Robert Klugman Individual Internal Medicine Physician Westborough, MA
1649233495 Shelley Kramer Individual Internal Medicine Physician Westborough, MA
1457386369 Sotiraq Terova Individual Internal Medicine Physician Westborough, MA
1467227686 Specialistvirtucare Organization Internal Medicine Physician Westborough, MA
1669736872 Steven Yoo Individual Internal Medicine Physician Westborough, MA
1639396955 Susan Fine Individual Internal Medicine Physician Westborough, MA
1598942385 Susan Shih Individual Rheumatology Physician Westborough, MA
1679834980 Suzanne Sprague Individual Internal Medicine Physician Westborough, MA
1346806338 Thomas Fordham Brewer, M.D., P.C. Organization Internal Medicine Physician Westborough, MA
1629300256 Wanda Colon-Cartagena Individual Geriatric Medicine (Internal Medicine) Physician Westborough, MA
1417938986 William Hartzell Individual Pulmonary Disease Physician Westborough, MA
1780962019 Yanina Golubchik Individual Internal Medicine Physician Westborough, MA

Frequently asked questions

How many Internal Medicine providers are in Westborough, MA?
The latest NPPES snapshot lists 39 active Internal Medicine providers with a practice address in Westborough, Massachusetts.
How do I check a Internal Medicine provider's NPI in Westborough?
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 2026-07-11.