NPI Portal NPI Lookup & Verification

Internal Medicine in Fountain Valley, CA

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

Internal Medicine providers in Fountain Valley, CA
NPI Name Type Specialty Location
1437287042 A.S. Sawhney, M.D., Inc. Organization Nephrology Physician Fountain Valley, CA
1427277136 Aadesh Sachdeva Individual Internal Medicine Physician Fountain Valley, CA
1720344880 Abdulkareem Sharaf Individual Cardiovascular Disease Physician Fountain Valley, CA
1578844783 Abhishek Bhardwaj Individual Pulmonary Disease Physician Fountain Valley, CA
1548134257 Abhishek Bhardwaj, MD Corporation Organization Pulmonary Disease Physician Fountain Valley, CA
1871576041 Adam Solomon Individual Internal Medicine Physician Fountain Valley, CA
1902040009 Afsaneh Haftbaradaran Mohammadi Individual Nephrology Physician Fountain Valley, CA
1528097730 Ahmed Al-Sadek Individual Internal Medicine Physician Fountain Valley, CA
1467883272 Ahmed Alsadek, MD Inc. Organization Internal Medicine Physician Fountain Valley, CA
1114014438 Ajit Sawhney Individual Nephrology Physician Fountain Valley, CA
1639517808 Alan Cantillep Individual Nephrology Physician Fountain Valley, CA
1043217359 Alan Dang Individual Internal Medicine Physician Fountain Valley, CA
1821471442 Ali Habib Individual Internal Medicine Physician Fountain Valley, CA
1619968799 Alton Foran Individual Internal Medicine Physician Fountain Valley, CA
1750587143 Amanda Donohue Individual Cardiovascular Disease Physician Fountain Valley, CA
1689871154 Amol Rao Individual Hematology & Oncology Physician Fountain Valley, CA
1306259130 Ana Maheshwari Individual Rheumatology Physician Fountain Valley, CA
1376816249 Anas Raowas Individual Hematology & Oncology Physician Fountain Valley, CA
1447211495 Andy N Truong M.D, Inc. Organization Internal Medicine Physician Fountain Valley, CA
1174583033 Andy Truong Individual Internal Medicine Physician Fountain Valley, CA
1699121491 Angela Biesen Individual Internal Medicine Physician Fountain Valley, CA
1437285095 Arvind Nirula Individual Cardiovascular Disease Physician Fountain Valley, CA
1891734828 Babak Firoozi Individual Gastroenterology Physician Fountain Valley, CA
1912203308 Babak Firoozi MD Inc Organization Gastroenterology Physician Fountain Valley, CA
1750483327 Bachar Kurdi Individual Endocrinology, Diabetes & Metabolism Physician Fountain Valley, CA
1407183361 Bachar Kurdi MD Medical Corporation Organization Endocrinology, Diabetes & Metabolism Physician Fountain Valley, CA
1801099593 Bao Bui Individual Cardiovascular Disease Physician Fountain Valley, CA
1083611230 Barbara Lever Individual Internal Medicine Physician Fountain Valley, CA
1417912239 Bichlien Nguyen Individual Hematology & Oncology Physician Fountain Valley, CA
1013025667 Bichlien Nguyen MD Inc Organization Hematology & Oncology Physician Fountain Valley, CA
1568453637 Brandon Khaw Individual Internal Medicine Physician Fountain Valley, CA
1689236374 California Emergency Physicians Medical Group, A Professional Corp Organization Hospice and Palliative Medicine (Internal Medicine) Physician Fountain Valley, CA
1265413751 Calvin Tint Individual Internal Medicine Physician Fountain Valley, CA
1356542229 Cambria Hembree Individual Internal Medicine Physician Fountain Valley, CA
1467633362 Center for Primary Care Medical Group Inc Organization Internal Medicine Physician Fountain Valley, CA
1225063340 Central County Chest Medical Group, Inc Organization Internal Medicine Physician Fountain Valley, CA
1942311832 Chris Tsimerekis Individual Endocrinology, Diabetes & Metabolism Physician Fountain Valley, CA
1801907704 Chris Tsimerekis, M.D., Inc. Organization Endocrinology, Diabetes & Metabolism Physician Fountain Valley, CA
1598296147 Christopher Berg Individual Cardiovascular Disease Physician Fountain Valley, CA
1023078235 Circlemed Healthcare, A Medical Corporation Organization Internal Medicine Physician Fountain Valley, CA
1407974967 Coast Pulmonary & Internal Medicine Associates Organization Pulmonary Disease Physician Fountain Valley, CA
1225244775 Collin Vu Individual Internal Medicine Physician Fountain Valley, CA
1396365144 Collin Vu MD, Inc. Organization Hematology & Oncology Physician Fountain Valley, CA
1578751368 Complete Medical Care Inc. Organization Cardiovascular Disease Physician Fountain Valley, CA
1396816393 Dalilah Restrepo Individual Infectious Disease Physician Fountain Valley, CA
1013677624 Dalilah Restrepo MD, A Medical Corporation Organization Infectious Disease Physician Fountain Valley, CA
1083718365 David M. Truong, M.D. A Professional Corporation Organization Gastroenterology Physician Fountain Valley, CA
1528090818 David Truong Individual Gastroenterology Physician Fountain Valley, CA
1114085362 Davinder Singh Individual Gastroenterology Physician Fountain Valley, CA
1578576815 Deeling Teng Individual Internal Medicine Physician Fountain Valley, CA

Frequently asked questions

How many Internal Medicine providers are in Fountain Valley, CA?
The latest NPPES snapshot lists 287 active Internal Medicine providers with a practice address in Fountain Valley, California.
How do I check a Internal Medicine provider's NPI in Fountain 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 2026-07-10.