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Internal Medicine in Simi Valley, CA

Active Internal Medicine providers practising in Simi Valley, California. Profiles include the NPI number, taxonomy code, license state, and practice address.

90 providers indexed

Internal Medicine providers in Simi Valley, CA

NPI Name Type Specialty Location
1912250358 A. M. Memar-Zia MD Inc. Organization Internal Medicine Physician Simi Valley, CA
1639122112 Abdol Memar-Zia Individual Internal Medicine Physician Simi Valley, CA
1740608371 Adrienne Lenhart Individual Gastroenterology Physician Simi Valley, CA
1477974681 Adventist Health Physicians Network Organization Cardiovascular Disease Physician Simi Valley, CA
1518822816 Adventist Health Physicians Network Organization Cardiovascular Disease Physician Simi Valley, CA
1629311543 Adventist Health Physicians Network Organization Hematology & Oncology Physician Simi Valley, CA
1689677205 Anita Kaul Individual Hematology & Oncology Physician Simi Valley, CA
1063408821 Anita Kaul MD Inc Organization Hematology & Oncology Physician Simi Valley, CA
1124207006 Anthony Phan Individual Internal Medicine Physician Simi Valley, CA
1730139353 Anthony Thong Phan MD Inc Organization Geriatric Medicine (Internal Medicine) Physician Simi Valley, CA
1487033213 Arin Abramian Individual Internal Medicine Physician Simi Valley, CA
1336491521 Arrash Fard Individual Cardiovascular Disease Physician Simi Valley, CA
1639161581 Ashim Arora Individual Pulmonary Disease Physician Simi Valley, CA
1912972126 Ashim Arora A Medical Corporation Organization Pulmonary Disease Physician Simi Valley, CA
1457624124 Atul Aggarwal MD A Medical Corporation Organization Internal Medicine Physician Simi Valley, CA
1528157989 Bikram J Soni MD Medical Corporation Organization Cardiovascular Disease Physician Simi Valley, CA
1194718254 Brent Trompetto Individual Internal Medicine Physician Simi Valley, CA
1215049374 Chandrashekhar Joshi Individual Internal Medicine Physician Simi Valley, CA
1942576111 Charles Kennedy Individual Internal Medicine Physician Simi Valley, CA
1063805331 Cho May Individual Internal Medicine Physician Simi Valley, CA
1982526067 Coastal Rheumatology Center Apc Organization Rheumatology Physician Simi Valley, CA
1609396514 Courtney O'Brien Individual Rheumatology Physician Simi Valley, CA
1306945365 Duc Nguyen Individual Pulmonary Disease Physician Simi Valley, CA
1487842365 Duc Nguyen MD Corp Organization Pulmonary Disease Physician Simi Valley, CA
1457773913 Edward Posvar Individual Internal Medicine Physician Simi Valley, CA
1538199765 Farridah Shafiee Individual Internal Medicine Physician Simi Valley, CA
1942960745 Farridah Shafiee Do Inc Organization Internal Medicine Physician Simi Valley, CA
1962449702 Forough Parsa Individual Cardiovascular Disease Physician Simi Valley, CA
1710294665 Forough Parsa MD A Medical Corporation Organization Cardiovascular Disease Physician Simi Valley, CA
1699263053 Gabriela Rodriguez Melgoza Individual Internal Medicine Physician Simi Valley, CA
1457625931 Gastroenterology & Hepatology Specialists Inc Organization Gastroenterology Physician Simi Valley, CA
1841265261 George Dichter Individual Internal Medicine Physician Simi Valley, CA
1790930402 George Dichter MD Inc Organization Internal Medicine Physician Simi Valley, CA
1396060638 Gregory Glover Individual Cardiovascular Disease Physician Simi Valley, CA
1164611075 Gurdip Flora Individual Internal Medicine Physician Simi Valley, CA
1932548377 Happy Thakkar Individual Cardiovascular Disease Physician Simi Valley, CA
1609915768 Harris Wasser Individual Internal Medicine Physician Simi Valley, CA
1154804557 Harris Wasser MD Inc Organization Endocrinology, Diabetes & Metabolism Physician Simi Valley, CA
1881713188 Heart Center of Southern California Inc Organization Interventional Cardiology Physician Simi Valley, CA
1841394913 Hosein Afshar Individual Cardiovascular Disease Physician Simi Valley, CA
1992407381 Humanity Medical Group Inc. Organization Hematology & Oncology Physician Simi Valley, CA
1356716013 Intensive Care Medical Specialists Inc Organization Critical Care Medicine (Internal Medicine) Physician Simi Valley, CA
1154633527 Jasbir S. Tiwana M.D Inc Organization Internal Medicine Physician Simi Valley, CA
1689826661 Jasbir Tiwana Individual Internal Medicine Physician Simi Valley, CA
1639691579 Jee Hoon Jang Individual Internal Medicine Physician Simi Valley, CA
1396058095 Jeffrey Harrell Individual Interventional Cardiology Physician Simi Valley, CA
1356827323 Jenna Gharzeddine Individual Internal Medicine Physician Simi Valley, CA
1396744546 Jie Shi Yan Individual Nephrology Physician Simi Valley, CA
1194063529 Jonathan Nasseri MD Corp Organization Internal Medicine Physician Simi Valley, CA
1538195672 Kevin Colwell Individual Internal Medicine Physician Simi Valley, CA

Frequently asked questions

How many Internal Medicine providers are in Simi Valley, CA?
The latest NPPES snapshot lists 90 active Internal Medicine providers with a practice address in Simi Valley, California.
How do I check a Internal Medicine provider's NPI in Simi Valley?
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.