Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
DR. DONALD NIALL FALLIN, PSY.D.
ActiveDR. DONALD NIALL FALLIN, PSY.D. is a Psychologist healthcare provider located in HAYWARD, California. NPI 1396724290 is currently active in the NPPES registry. Verify at CMS.
Psychologist · HAYWARD, CA
Registration Details
- NPI Number
- 1396724290
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Jan 10, 2006 (20.571249509292 yrs)
- Last Updated
- Sep 11, 2025
- License
-
PSY16419 (CA)
Practice Information
- Address
-
225 W WINTON AVESUITE 202HAYWARD, CA, 945441216Browse CA providers · Browse ZIP 94544
- Phone
- 5107836899
- Primary Specialty
-
Psychologist
103T00000X
Other Psychologist Providers in HAYWARD, CA
| Name | Credential | NPI |
|---|---|---|
| MRS. GAIL FAZACKERLEY BUNKER | MFT | 1861508418 |
| DR. MARY ANN VIGILANTI | ED.D. | 1447312111 |
| DR. NINA ANDREA GHISELLI | — | 1235337569 |
| DR. REGINA HELENA GUIMARAES CAMPOS | PH.D. | 1225289200 |
| EMILY RUFFO | PSYD | 1326376450 |
| JAMES BAKST | M.A. | 1588092209 |
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.