Donald Tessmer, PSY.D.
Donald Tessmer, PSY.D. holds NPI 1740400530, with a primary taxonomy of school psychologist and a practice location in Los Angeles, CA. The number was issued on April 26, 2007 and the NPPES record was last updated on September 11, 2025. The record lists 2 taxonomy codes.
Taxonomies and licenses
| Taxonomy | Code | License |
|---|---|---|
| School Psychologist Primary | 103TS0200X | LEP 1817 (CA) |
| Psychologist | 103T00000X | LEP (CA) |
Practice location
Local context
Active NPPES records list 370 providers with school psychologist as the primary taxonomy within 25 miles of this practice location's ZIP code, 68 of them within 10 miles.
The same primary taxonomy is listed by 3,031 in California and 16,812 nationwide.
These are counts from NPPES records, not a ranking or recommendation. Distances are measured between ZIP code centers, not street addresses.
Record history
- Name on record
- Dr. Donald O Tessmer
- Status
- Active
- NPI issued
- Last updated in NPPES
Is this your record? Updates are made through NPPES, the official National Plan and Provider Enumeration System.
NPPES data as of · Source: CMS NPPES
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