Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
MR. HARMAN SINGH, DO
Active Sole ProprietorMR. HARMAN SINGH, DO is a Psychiatry healthcare provider located in WALNUT CREEK, California. NPI 1639751134 is currently active in the NPPES registry. Verify at CMS.
Psychiatry · WALNUT CREEK, CA
Registration Details
- NPI Number
- 1639751134
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Apr 23, 2021 (5.1307363684847 yrs)
- Last Updated
- Jun 30, 2025
- License
-
20A20869 (CA)
- Sole Proprietor
- Yes
Practice Information
- Address
-
3100 OAK RD STE 270WALNUT CREEK, CA, 945972078Browse CA providers · Browse ZIP 94597
- Phone
- 9259449711
- Primary Specialty
-
Psychiatry
2084P0800X
Other Psychiatry Providers in WALNUT CREEK, CA
| Name | Credential | NPI |
|---|---|---|
| DR. DAVID Z. RITVO | M.D. | 1205832094 |
| DEBORAH BETH RAPHAEL | MD | 1205819935 |
| MRS. TINA NHATTHI TONNU | M.D. | 1790759827 |
| DR. YOUSUF J ALLAWALA | M.D. | 1497709810 |
| DR. ROBERT I. PICKER | M.D. | 1275574691 |
| DR. DHARMINI HARICHANDRAN | M.D | 1386668820 |
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.