Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
RYAN S HSI, M.D.
ActiveRYAN S HSI, M.D. is a Urology healthcare provider located in ORANGE, California. NPI 1043451073 is currently active in the NPPES registry. Verify at CMS.
Urology · ORANGE, CA
Registration Details
- NPI Number
- 1043451073
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Mar 22, 2009 (17.410271081893 yrs)
- Last Updated
- Oct 1, 2025
- Licenses
-
54165 (TN)A134875 (CA)
Practice Information
- Address
-
PO BOX 14091ORANGE, CA, 928631491Browse CA providers · Browse ZIP 92863
- Phone
- 7144568888
- Primary Specialty
-
Urology
208800000X
- Additional Specialty
- Urology
Other Urology Providers in ORANGE, CA
| Name | Credential | NPI |
|---|---|---|
| MR. MELVIN LEON SEARD | MD | 1538163126 |
| DR. AKHIL K DAS | MD | 1053310821 |
| EDWARD M UCHIO | MD | 1588648570 |
| DR. LUIS I KOBASHI | M.D. | 1710963095 |
| THOMAS E AHLERING | M.D. | 1013983386 |
| GAMAL M. GHONIEM | M.D. | 1467415919 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.