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Internal Medicine in Williamsville, NY

Active Internal Medicine providers practising in Williamsville, New York. Profiles include the NPI number, taxonomy code, license state, and practice address.

236 providers indexed

Internal Medicine providers in Williamsville, NY

NPI Name Type Specialty Location
1447479464 A.W. Jones MD PC Organization Internal Medicine Physician Williamsville, NY
1891288650 Aalia Khan Individual Internal Medicine Physician Williamsville, NY
1922368737 Aasha Harish Individual Allergy & Immunology (Internal Medicine) Physician Williamsville, NY
1093781056 Abha Rani Individual Gastroenterology Physician Williamsville, NY
1093155665 Abhijana Karunakaran Individual Endocrinology, Diabetes & Metabolism Physician Williamsville, NY
1255394763 Academic Medicine Services, Inc. Organization Internal Medicine Physician Williamsville, NY
1992813828 Adam Kotowski Individual Hematology & Oncology Physician Williamsville, NY
1346315074 Adult Medical Services, P.C. Organization Internal Medicine Physician Williamsville, NY
1386892479 Ahmad Kadhim Individual Gastroenterology Physician Williamsville, NY
1427489459 Ahmed & Ahmed Physicians P C Organization Rheumatology Physician Williamsville, NY
1689638462 Alexander Gelfer Individual Pulmonary Disease Physician Williamsville, NY
1518949379 Alfredo Kua Individual Geriatric Medicine (Internal Medicine) Physician Williamsville, NY
1023232071 Allyn M. Norman Organization Internal Medicine Physician Williamsville, NY
1568420925 Allyn Norman Individual Internal Medicine Physician Williamsville, NY
1801836507 Alok Gupta Individual Gastroenterology Physician Williamsville, NY
1497142665 Amrutha Idupuganti Individual Endocrinology, Diabetes & Metabolism Physician Williamsville, NY
1316903321 Amy Early Individual Medical Oncology Physician Williamsville, NY
1003327321 Anderson Lai Individual Internal Medicine Physician Williamsville, NY
1598748683 Andras Vari Individual Pulmonary Disease Physician Williamsville, NY
1184285785 Ankita Kapoor Individual Hematology & Oncology Physician Williamsville, NY
1750510418 Annaliese Noack Individual Internal Medicine Physician Williamsville, NY
1881658672 Anthony Freundel Individual Pulmonary Disease Physician Williamsville, NY
1821073388 Antonino Mannone Individual Gastroenterology Physician Williamsville, NY
1215273511 Anu Gupta Individual Nephrology Physician Williamsville, NY
1124588983 Arroj Ali Individual Cardiovascular Disease Physician Williamsville, NY
1699064089 Basem Goueli Individual Medical Oncology Physician Williamsville, NY
1891982450 Benjamin Schaus Individual Gastroenterology Physician Williamsville, NY
1811494842 Benjamin Zwierzchowski Individual Internal Medicine Physician Williamsville, NY
1881692267 Bonnie Mcmichael Individual Internal Medicine Physician Williamsville, NY
1255478376 Brian Karaszewski Individual Internal Medicine Physician Williamsville, NY
1407834872 Buffalo Cardiology & Pulmonary Assoc PC Organization Cardiovascular Disease Physician Williamsville, NY
1962665455 Buffalo Electrophysiology, LLC Organization Clinical Cardiac Electrophysiology Physician Williamsville, NY
1023002516 Buffalo Hospitalist Services, P.C. Organization Internal Medicine Physician Williamsville, NY
1467802785 Buffalo-Niagara Cardiovascular, PC Organization Cardiovascular Disease Physician Williamsville, NY
1285759498 Burnett Healthcare Organization Internal Medicine Physician Williamsville, NY
1194771477 Cardiology Group of Western New York PC Organization Cardiovascular Disease Physician Williamsville, NY
1366146102 Caroline Jones Individual Internal Medicine Physician Williamsville, NY
1013263052 Ccs Medical, Pllc Organization Medical Oncology Physician Williamsville, NY
1689658312 Celestino Pietrantoni Individual Pulmonary Disease Physician Williamsville, NY
1649264029 Century Medical Associates PC Organization Hematology & Oncology Physician Williamsville, NY
1770897399 Chadha Medicals PC Organization Rheumatology Physician Williamsville, NY
1013974245 Chee Kim Individual Cardiovascular Disease Physician Williamsville, NY
1730132366 Cheng Fu Individual Internal Medicine Physician Williamsville, NY
1013010388 Cheri Gorski-Suhr Individual Cardiovascular Disease Physician Williamsville, NY
1144276833 Chi-Teh Yu Individual Internal Medicine Physician Williamsville, NY
1992154942 Chidimma Oduwegwu Individual Internal Medicine Physician Williamsville, NY
1558339093 Christine Weckerle Individual Internal Medicine Physician Williamsville, NY
1548246788 Christopher Bartolone Individual Gastroenterology Physician Williamsville, NY
1679034326 Clark Zhang Individual Gastroenterology Physician Williamsville, NY
1003567603 Colleen Klos Individual Internal Medicine Physician Williamsville, NY

Frequently asked questions

How many Internal Medicine providers are in Williamsville, NY?
The latest NPPES snapshot lists 236 active Internal Medicine providers with a practice address in Williamsville, New York.
How do I check a Internal Medicine provider's NPI in Williamsville?
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 2026-07-13.