NPI Portal NPI Lookup & Verification

Internal Medicine in Downey, CA

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

Internal Medicine providers in Downey, CA
NPI Name Type Specialty Location
1548837909 Aalap Mehta Individual Internal Medicine Physician Downey, CA
1982135281 Adeline Manohar Individual Internal Medicine Physician Downey, CA
1841685088 Adip Pillai-Kashi Individual Internal Medicine Physician Downey, CA
1609915594 Adrian Quezada Individual Internal Medicine Physician Downey, CA
1982701454 Alan Frischer Individual Internal Medicine Physician Downey, CA
1134296619 American Healthcare Medical Center Organization Internal Medicine Physician Downey, CA
1881682318 Amitabha Mazumder Individual Hematology & Oncology Physician Downey, CA
1245335405 Anantjit Singh Individual Clinical Cardiac Electrophysiology Physician Downey, CA
1154784783 Andrew Nguyen Individual Gastroenterology Physician Downey, CA
1396979126 Ann Lee Individual Gastroenterology Physician Downey, CA
1801902721 Anthony Giorgio Individual Hematology & Oncology Physician Downey, CA
1629037577 Applecare Hospitalist Medical Group, Inc. Organization Internal Medicine Physician Downey, CA
1891587515 Arbor Health Medical Group Inc Organization Internal Medicine Physician Downey, CA
1225300106 Arsineh Khachekian Individual Internal Medicine Physician Downey, CA
1588601595 Arthur Carrasco Individual Internal Medicine Physician Downey, CA
1285954149 Ashkan Amooee Individual Internal Medicine Physician Downey, CA
1033596556 Austin Evans Individual Internal Medicine Physician Downey, CA
1023252483 Ava Azimi Individual Internal Medicine Physician Downey, CA
1316967854 Balaganesh Gopurala Individual Hematology & Oncology Physician Downey, CA
1346352473 Basuki Gunawan Individual Internal Medicine Physician Downey, CA
1417142779 Behfar Gidanian Individual Internal Medicine Physician Downey, CA
1013027325 Betzabe Alday Individual Nephrology Physician Downey, CA
1235206103 Bhoomin Nimitsilpa Individual Internal Medicine Physician Downey, CA
1003443235 Brandon Lui Individual Internal Medicine Physician Downey, CA
1215315940 Brian Chun Fang Cheng Individual Hematology & Oncology Physician Downey, CA
1992371603 Brittney Brown Individual Internal Medicine Physician Downey, CA
1912550880 Byron Rastegari Individual Internal Medicine Physician Downey, CA
1366704660 Caroline King Individual Internal Medicine Physician Downey, CA
1801046867 Chaiyaporn Boonchalermvichian Individual Hematology & Oncology Physician Downey, CA
1174102735 Charlene Wang Individual Internal Medicine Physician Downey, CA
1861439465 Charles Holzner Individual Endocrinology, Diabetes & Metabolism Physician Downey, CA
1851784763 Christine Kha Individual Endocrinology, Diabetes & Metabolism Physician Downey, CA
1851928311 Christopher Gonzalez-Erives Individual Internal Medicine Physician Downey, CA
1821445370 Christopher Sobowale Individual Internal Medicine Physician Downey, CA
1548407638 Dana Dumitru Individual Internal Medicine Physician Downey, CA
1689786733 Danese Hayes Individual Internal Medicine Physician Downey, CA
1881683944 David Berger Individual Endocrinology, Diabetes & Metabolism Physician Downey, CA
1912241019 David Berger MD Inc. Organization Endocrinology, Diabetes & Metabolism Physician Downey, CA
1295315489 David Chen Individual Internal Medicine Physician Downey, CA
1457455834 Dennis Wong Individual Internal Medicine Physician Downey, CA
1831543156 Devin Morris Individual Internal Medicine Physician Downey, CA
1720090137 Diana Hsu Individual Internal Medicine Physician Downey, CA
1962063925 Diane Hermiz Individual Internal Medicine Physician Downey, CA
1184685281 Domingo Barrientos Individual Internal Medicine Physician Downey, CA
1578068516 Doralice Ferreira Individual Internal Medicine Physician Downey, CA
1043699374 Doris Rivas Individual Internal Medicine Physician Downey, CA
1881660991 Douglas Segal Individual Cardiovascular Disease Physician Downey, CA
1003087313 Downey Cardio- Medical Group A Professional Corporation Organization Clinical Cardiac Electrophysiology Physician Downey, CA
1932436821 Eddie Thara Individual Hematology & Oncology Physician Downey, CA
1073711701 Elisa Hsia Individual Endocrinology, Diabetes & Metabolism Physician Downey, CA

Frequently asked questions

How many Internal Medicine providers are in Downey, CA?
The latest NPPES snapshot lists 206 active Internal Medicine providers with a practice address in Downey, California.
How do I check a Internal Medicine provider's NPI in Downey?
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.