What is Diann Warsaw's NPI number?

Diann Warsaw's National Provider Identifier (NPI) is 1447498753, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Diann Warsaw's specialty?

Diann Warsaw is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).

Where is Diann Warsaw located?

Diann Warsaw's practice location on file with NPPES is 12021 Wilmington Ave Bldg 18, Los Angeles, CA 90059-3019.

What is Diann Warsaw's phone number?

The practice phone number listed in the NPPES registry for Diann Warsaw is (424) 454-6015.

Is Diann Warsaw's NPI active?

Yes — Diann Warsaw's NPI (1447498753) is active in the NPPES registry as of the last update on 2024-10-21.

IndividualActive

Diann Warsaw

NPI 1447498753 · Social Worker · Los Angeles, CA

Diann Warsaw is a Social Worker provider in Los Angeles, CA (NPI 1447498753).

Provider details

NPI number: 1447498753
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: Yes
License: ASW99542 (CA)

Specialties & taxonomies

Social WorkerPrimary104100000XLicense 99452 (CA)
Behavioral Health & Social Service Providers
Mental Health Counselor101YM0800XLicense ASW99542 (CA)
Behavioral Health & Social Service Providers
Addiction (Substance Use Disorder) Counselor101YA0400XLicense ASW99542 (CA)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(95/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
17 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
4 documented practice locations

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

12021 Wilmington Ave Bldg 18

Los Angeles, CA 90059-3019

Phone: (424) 454-6015

Street-level locationGet directions

More CA providers

Mailing address

3850 Crenshaw Blvd

Los Angeles, CA 90008-1821

Additional practice locations (3)

15519 Crenshaw Blvd
Gardena, CA 90249-4525
Phone: (310) 679-9126
6838 W Sunset Blvd
Los Angeles, CA 90028
Phone: (323) 461-3161
Fax: (323) 461-5683
3850 Crenshaw Blvd
Los Angeles, CA 90008-1821
Phone: (323) 751-3026

Enumerated: 2009-01-23
Last updated: 2024-10-21
Certified: 2024-10-21

Frequently asked questions

What is Diann Warsaw's NPI number?: Diann Warsaw's National Provider Identifier (NPI) is 1447498753, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Diann Warsaw's specialty?: Diann Warsaw is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
Where is Diann Warsaw located?: Diann Warsaw's practice location on file with NPPES is 12021 Wilmington Ave Bldg 18, Los Angeles, CA 90059-3019.
What is Diann Warsaw's phone number?: The practice phone number listed in the NPPES registry for Diann Warsaw is (424) 454-6015.
Is Diann Warsaw's NPI active?: Yes — Diann Warsaw's NPI (1447498753) is active in the NPPES registry as of the last update on 2024-10-21.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.