NPI Portal NPI Lookup & Verification

Internal Medicine in Waltham, MA

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

Internal Medicine providers in Waltham, MA
NPI Name Type Specialty Location
1144210832 Abdul Asmal Individual Endocrinology, Diabetes & Metabolism Physician Waltham, MA
1316958150 Advanced Wound Recovery - Boston, LLC Organization Internal Medicine Physician Waltham, MA
1518012251 Ahmed Mohiuddin Individual Cardiovascular Disease Physician Waltham, MA
1144617820 Albany Kidney Care LLC Organization Nephrology Physician Waltham, MA
1871580597 Alice Zacarian Individual Internal Medicine Physician Waltham, MA
1124091103 Allison Mcdonough Individual Internal Medicine Physician Waltham, MA
1952540940 Andrew Blair Individual Nephrology Physician Waltham, MA
1790929123 Bard Geesaman Individual Internal Medicine Physician Waltham, MA
1710934047 Barry Ehrlich Individual Internal Medicine Physician Waltham, MA
1396083051 Boston West Cardiology Organization Cardiovascular Disease Physician Waltham, MA
1376571380 Boston West Cardiology PC Organization Cardiovascular Disease Physician Waltham, MA
1255312104 Bruce Becker Individual Gastroenterology Physician Waltham, MA
1518958131 Christina Gelev Individual Internal Medicine Physician Waltham, MA
1609070267 Chuanyun Gao Individual Endocrinology, Diabetes & Metabolism Physician Waltham, MA
1821194879 Daniel Gaposchkin Individual Internal Medicine Physician Waltham, MA
1780903971 Daniel Horn Individual Internal Medicine Physician Waltham, MA
1942344635 David Margulies Individual Internal Medicine Physician Waltham, MA
1902857063 Debra Foti-Flynn Individual Addiction Medicine (Internal Medicine) Physician Waltham, MA
1609883255 Denise Basow Individual Internal Medicine Physician Waltham, MA
1396936498 Devasena Balasubramaniam Individual Internal Medicine Physician Waltham, MA
1699499517 Dhmgt LLC Organization Internal Medicine Physician Waltham, MA
1710601661 Discover Health Medical Group Three, Inc. Organization Internal Medicine Physician Waltham, MA
1518056035 Drs. Shocair and Reda, P.C. Organization Pulmonary Disease Physician Waltham, MA
1467436931 Edward Busick Individual Internal Medicine Physician Waltham, MA
1992827067 Elenie Bartzokis Individual Internal Medicine Physician Waltham, MA
1295056000 Elissa Stecker Individual Internal Medicine Physician Waltham, MA
1427184001 Erik Vandendries Individual Hematology & Oncology Physician Waltham, MA
1396298212 Front Range Kidney Care Pllc Organization Nephrology Physician Waltham, MA
1235124249 Hadia Tirmizi Individual Internal Medicine Physician Waltham, MA
1023277183 Henry John Merola, M.D., PC Organization Internal Medicine Physician Waltham, MA
1902963986 Henry Merola Individual Internal Medicine Physician Waltham, MA
1336371012 James O'Leary Individual Medical Oncology Physician Waltham, MA
1316998107 Jennifer Rosenblum Individual Adolescent Medicine (Internal Medicine) Physician Waltham, MA
1316112949 Joanna Schwartz Individual Internal Medicine Physician Waltham, MA
1083243943 Julie Pfeffer Individual Internal Medicine Physician Waltham, MA
1215086863 Kenneth Labresh Individual Cardiovascular Disease Physician Waltham, MA
1336139021 Leslie Vensel Individual Internal Medicine Physician Waltham, MA
1790822062 Linda Pololi Individual Internal Medicine Physician Waltham, MA
1396850442 Maria Ponsillo Individual Internal Medicine Physician Waltham, MA
1093916389 Marilyn Novich Individual Hematology & Oncology Physician Waltham, MA
1184693616 Mark Drews Individual Internal Medicine Physician Waltham, MA
1629028709 Mark Shankman Individual Internal Medicine Physician Waltham, MA
1114018850 Mary Paula Lutz Individual Hematology (Internal Medicine) Physician Waltham, MA
1386679439 Mary Sabolsi Individual Infectious Disease Physician Waltham, MA
1891897757 Matthew Fickie Individual Internal Medicine Physician Waltham, MA
1457308140 Mawya Shocair Individual Nephrology Physician Waltham, MA
1124218268 Melody Craft Individual Medical Oncology Physician Waltham, MA
1639157910 Monica Manandhar Individual Internal Medicine Physician Waltham, MA
1003852526 Nancy Gracin Individual Cardiovascular Disease Physician Waltham, MA
1912041963 Nathaniel Gunn Individual Internal Medicine Physician Waltham, MA

Frequently asked questions

How many Internal Medicine providers are in Waltham, MA?
The latest NPPES snapshot lists 69 active Internal Medicine providers with a practice address in Waltham, Massachusetts.
How do I check a Internal Medicine provider's NPI in Waltham?
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 2026-07-10.