NPI Portal NPI Lookup & Verification

Internal Medicine in Calabasas, CA

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

Internal Medicine providers in Calabasas, CA
NPI Name Type Specialty Location
1619105426 Ali Atabaki Individual Critical Care Medicine (Internal Medicine) Physician Calabasas, CA
1730766239 Arye Lavin Individual Internal Medicine Physician Calabasas, CA
1144648007 Balbir Singh, MD, Inc. Organization Nephrology Physician Calabasas, CA
1871107383 Cohen Healthcare Inc Organization Internal Medicine Physician Calabasas, CA
1801170519 Daniel Rosen Individual Internal Medicine Physician Calabasas, CA
1497117782 Dhananjay Chatterjee Individual Cardiovascular Disease Physician Calabasas, CA
1912068370 Gisele Wudka Individual Internal Medicine Physician Calabasas, CA
1528343001 Hope Health Center Organization Hematology & Oncology Physician Calabasas, CA
1902099146 Kalpesh Patel Individual Nephrology Physician Calabasas, CA
1740381177 Keith Garb Individual Internal Medicine Physician Calabasas, CA
1760554026 Luz Delportillo Individual Internal Medicine Physician Calabasas, CA
1295268977 Masih Sadeghi Individual Internal Medicine Physician Calabasas, CA
1457194714 Medicine & Geriatrics Institute Organization Geriatric Medicine (Internal Medicine) Physician Calabasas, CA
1649544016 Nader Javadi MD A Professional Corporation Organization Hematology & Oncology Physician Calabasas, CA
1871867135 Nader Javadi MD A Professional Corporation Organization Hematology & Oncology Physician Calabasas, CA
1649342056 Oxnard Valley Medical Group, Inc Organization Internal Medicine Physician Calabasas, CA
1144587676 Patrick Yaffee Individual Internal Medicine Physician Calabasas, CA
1023101458 Pegah Mehdizadeh Individual Internal Medicine Physician Calabasas, CA
1609314335 Raymond Urbanski Individual Internal Medicine Physician Calabasas, CA
1639242241 Richard Lander Individual Internal Medicine Physician Calabasas, CA
1174162283 Rosen Medical Group Inc Organization Internal Medicine Physician Calabasas, CA
1679872311 Sagi Cohen Individual Internal Medicine Physician Calabasas, CA
1619473501 Sami Natour Individual Cardiovascular Disease Physician Calabasas, CA
1124037155 Samuel Burstein Individual Internal Medicine Physician Calabasas, CA
1750533345 Sayeh Eshraghi Individual Internal Medicine Physician Calabasas, CA
1669544052 Sean Leoni Individual Internal Medicine Physician Calabasas, CA
1134064231 Vbs Imaging Organization Internal Medicine Physician Calabasas, CA
1841808227 Vytrac Health Inc Organization Critical Care Medicine (Internal Medicine) Physician Calabasas, CA
1003244518 Wayne Imber Individual Internal Medicine Physician Calabasas, CA

Frequently asked questions

How many Internal Medicine providers are in Calabasas, CA?
The latest NPPES snapshot lists 29 active Internal Medicine providers with a practice address in Calabasas, California.
How do I check a Internal Medicine provider's NPI in Calabasas?
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.