NPI Portal NPI Lookup & Verification

Internal Medicine in Tustin, CA

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

Internal Medicine providers in Tustin, CA
NPI Name Type Specialty Location
1881649853 Almoatazbellah Idriss Individual Endocrinology, Diabetes & Metabolism Physician Tustin, CA
1396857181 Alvin Chang Individual Geriatric Medicine (Internal Medicine) Physician Tustin, CA
1871568899 Bernard Bennett Individual Internal Medicine Physician Tustin, CA
1437265352 Carl Selin Individual Internal Medicine Physician Tustin, CA
1659451268 Chalat Rajaram Individual Internal Medicine Physician Tustin, CA
1831193895 Chin-Wei Huang Individual Pulmonary Disease Physician Tustin, CA
1598724015 Daniel Eichinger Individual Internal Medicine Physician Tustin, CA
1295866341 David Mcdonough Individual Internal Medicine Physician Tustin, CA
1437248846 Deepika Lekawa Individual Internal Medicine Physician Tustin, CA
1942239306 Dinesh Kumar Individual Interventional Cardiology Physician Tustin, CA
1326247669 Don Oh Individual Internal Medicine Physician Tustin, CA
1629284971 Elizabeth Tsai Individual Internal Medicine Physician Tustin, CA
1881663979 Guy Randazzo Individual Pulmonary Disease Physician Tustin, CA
1891981502 Healthcare Partners Affiliates Medical Group Organization Addiction Medicine (Internal Medicine) Physician Tustin, CA
1013020437 Huong Duong Individual Internal Medicine Physician Tustin, CA
1174694426 Imran Sharief Individual Pulmonary Disease Physician Tustin, CA
1689646952 Jacqueline Do Individual Internal Medicine Physician Tustin, CA
1710020805 Jay Amin MD Inc Organization Internal Medicine Physician Tustin, CA
1962544494 Julia Motherway Individual Internal Medicine Physician Tustin, CA
1790880250 Kenneth Thaler Individual Internal Medicine Physician Tustin, CA
1477645380 Khaldoun A Debian MD A Medical Corporation Organization Gastroenterology Physician Tustin, CA
1932168796 Khaldoun Debian Individual Gastroenterology Physician Tustin, CA
1396831889 Kien Tran Individual Internal Medicine Physician Tustin, CA
1093502148 Kyk Medical Professional Corporation Organization Gastroenterology Physician Tustin, CA
1881776326 Lisa Abdishoo Individual Internal Medicine Physician Tustin, CA
1417948894 Mark Schafer Individual Internal Medicine Physician Tustin, CA
1558569921 Mark Wade Individual Cardiovascular Disease Physician Tustin, CA
1609889120 Misty Rydelski Individual Internal Medicine Physician Tustin, CA
1154353829 Mohamed Al-Sadek Individual Internal Medicine Physician Tustin, CA
1336134014 Moothedath Menon Individual Gastroenterology Physician Tustin, CA
1144323064 Pin-Hung Hsieh Individual Internal Medicine Physician Tustin, CA
1932305034 Quyen Dao Individual Obesity Medicine (Internal Medicine) Physician Tustin, CA
1669552956 Ramon Scruggs Individual Endocrinology, Diabetes & Metabolism Physician Tustin, CA
1225111610 Robert Bader Individual Internal Medicine Physician Tustin, CA
1619972510 Robin Dore Individual Rheumatology Physician Tustin, CA
1427248491 Robin K Dore MD Inc Organization Rheumatology Physician Tustin, CA
1841386349 Roger Kornu Individual Rheumatology Physician Tustin, CA
1053324970 Susan Ban Individual Internal Medicine Physician Tustin, CA
1518968098 Talbert Medical Group, P.C. Organization Internal Medicine Physician Tustin, CA
1295925253 Tariq Khan Individual Internal Medicine Physician Tustin, CA
1124039722 Thomas Hwang Individual Internal Medicine Physician Tustin, CA
1689633125 Tustin Irvine Internal Medicine Group Inc. Organization Internal Medicine Physician Tustin, CA
1720065303 Won Yu Individual Gastroenterology Physician Tustin, CA

Frequently asked questions

How many Internal Medicine providers are in Tustin, CA?
The latest NPPES snapshot lists 72 active Internal Medicine providers with a practice address in Tustin, California.
How do I check a Internal Medicine provider's NPI in Tustin?
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.