Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
DR. DONALD O TESSMER, PSY.D.
Active Sole ProprietorSchool Psychologist · LOS ANGELES, CA
Registration Details
- NPI Number
- 1740400530
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Apr 26, 2007 (18.99643187311 yrs)
- Last Updated
- Sep 11, 2025
- Licenses
-
LEP (CA)LEP 1817 (CA)
- Sole Proprietor
- Yes
Practice Information
- Address
-
10436 SANTA MONICA BLVD3005LOS ANGELES, CA, 900256933Browse CA providers · Browse ZIP 90025
- Phone
- 3103932626
- Primary Specialty
-
School Psychologist
103TS0200X
- Additional Specialty
- School Psychologist
Other School Psychologist Providers in LOS ANGELES, CA
| Name | Credential | NPI |
|---|---|---|
| KAREN MORAN FINELLO | PH.D. | 1124146873 |
| ZACHARY M CALLAS | — | 1568773968 |
| JASON THOMAS | LEP | 1851609812 |
| LUISA BOTTARI | L.E.P. | 1043560436 |
| TORI MORGAN | — | 1679910848 |
| MANUELA HYMAN | P.P.S. | 1285056168 |
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.