Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
RYAN THOMAS ASH, MD, PHD
ActiveRYAN THOMAS ASH, MD, PHD is a Psychiatry healthcare provider located in PALO ALTO, California. NPI 1023514411 is currently active in the NPPES registry. Verify at CMS.
Psychiatry · PALO ALTO, CA
Registration Details
- NPI Number
- 1023514411
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Apr 4, 2018 (8.3387019255509 yrs)
- Last Updated
- Oct 18, 2025
- License
-
A165366 (CA)
Practice Information
- Address
-
300 PASTEUR DRPALO ALTO, CA, 943042203Browse CA providers · Browse ZIP 94304
- Phone
- 6507234000
- Primary Specialty
-
Psychiatry
2084P0800X
Other Psychiatry Providers in PALO ALTO, CA
| Name | Credential | NPI |
|---|---|---|
| RICHARD J. CORELLI | M.D. | 1912995507 |
| SIDNEY ANNE EDSALL | MD | 1588626469 |
| DR. JOHN IVOR DORFMAN | M. D. | 1912944687 |
| DR. KATHERINE CHOI YOON | M.D. | 1770523474 |
| STEVEN CHRISTOPHER BAGLEY | MD | 1730125048 |
| STEVEN EVANS LINDLEYS | MD/PHD | 1518994748 |
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.