NPI 1043424575
William Tan Nguyen, M.D.
Internal Medicine · Orange, CA
Active in the CMS NPI RegistryNot on the OIG exclusion listchecked Oct 16, 2026, 5:27 pm EDT
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William Tan Nguyen, M.D. is a health care provider (Internal Medicine) in Orange, California with National Provider Identifier (NPI) 1043424575. The NPI was issued on May 10, 2007 and the registry record was last updated on Nov 4, 2021. The registry lists a license in California.
Registry record
- NPI
- 1043424575
- Type
- Individual (NPI-1), sole proprietor
- Primary specialty
- Internal Medicine 207R00000X
- Practice location
- 101 The City Dr S Bldg 200, Suite 720 Rt. 1
Orange, CA 92868-3201 - Phone
- (408) 826-2362
- NPI issued
- May 10, 2007
- Registry record updated
- Nov 4, 2021
Specialties and licenses
| Specialty | Taxonomy code | License state | License |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | California | A98370 |
Confirm license status and discipline with the state board (links in NPI Lookup).
Internal Medicine Physician providers in California
- Avni Amin, MDModesto, CA
- Kristina DhillonColton, CA
- Ashruta Ahuja, DO, MSLancaster, CA
- Nathaniel Emil MeyerLos Angeles, CA
- Michael J. Head, MDLos Angeles, CA
- Pritam S. Badesha, MDBakersfield, CA
- Madison Elizabeth Malone, M.D.San Francisco, CA
- Freddy Abnousi, MDStanford, CA
- Syed Affan Ahmed, M.D.Roseville, CA
- Andrea Wong, M.D.Napa, CA
- Caroline Yen-Hsueh Lin, M.D., M.Sc.San Diego, CA
Source: CMS National Plan and Provider Enumeration System (NPPES) and the HHS-OIG List of Excluded Individuals/Entities (list of Oct 9, 2026). Is this your record? Update it in NPPES or email info@2minutemedicine.com to have it hidden here.