Donn Warshow, PH.D.
NPI 1043338098 · Clinical Psychologist · Woodland Hills, CA
Donn Warshow, PH.D. is a Clinical Psychologist provider in Woodland Hills, CA (NPI 1043338098).
Provider details
- NPI number
- 1043338098
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY8952 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is Donn Warshow's NPI number?
- Donn Warshow's National Provider Identifier (NPI) is 1043338098, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donn Warshow's specialty?
- Donn Warshow is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Donn Warshow located?
- Donn Warshow's practice location on file with NPPES is 21241 Ventura Blvd Ste 251, Woodland Hills, CA 91364-2199.
- What is Donn Warshow's phone number?
- The practice phone number listed in the NPPES registry for Donn Warshow is (818) 703-5953.
- Is Donn Warshow's NPI active?
- Yes — Donn Warshow's NPI (1043338098) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.