NPI 1164965018
Ythanh Nguyen M.D. INC
Practice location
- Address
- 999 San Bernardino Rd, Upland, CA 91786-4920
- Phone
- (909) 985-2811
- Mailing address
- 154-A W. Foothill Blvd. Box 354, Upland, CA 91786
Authorised official
- Name
- Ythanh Duy Nguyen
- Title
- President
- Phone
- (909) 239-6109
Registered specialties
Internal Medicine Physician
Primary
Registry record
- NPI
- 1164965018
- Entity type
- Organization
- NPI issued
- 27 Nov 2016
- Record last updated
- 1 Feb 2026
Reproduced from NPPES, the federal provider registry. The date above is when the provider last updated their own entry, not when we fetched it - a record can be years old and still current in the registry.