IndividualActive
Crystal Zirak, B.A.
NPI 1679740021 · School Social Worker · Gardena, CA
Crystal Zirak, B.A. is a School Social Worker provider in Gardena, CA (NPI 1679740021).
Provider details
- NPI number
- 1679740021
- Entity type
- Individual
- Primary specialty
- School Social WorkerBehavioral Health & Social Service Providers
- Credential
- B.A.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(81/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
83% 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
130 W Victoria St
Gardena, CA 90248-3523
Phone: (310) 715-2020
Street-level locationGet directions
Mailing address
1332 E Poppy St
Long Beach, CA 90805-3153
Registry dates
- Enumerated
- 2008-05-14
- Last updated
- 2008-05-14
Frequently asked questions
- What is Crystal Zirak's NPI number?
- Crystal Zirak's National Provider Identifier (NPI) is 1679740021, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Crystal Zirak's specialty?
- Crystal Zirak is listed in the NPPES registry with a primary specialty of School Social Worker (Behavioral Health & Social Service Providers).
- Where is Crystal Zirak located?
- Crystal Zirak's practice location on file with NPPES is 130 W Victoria St, Gardena, CA 90248-3523.
- What is Crystal Zirak's phone number?
- The practice phone number listed in the NPPES registry for Crystal Zirak is (310) 715-2020.
- Is Crystal Zirak's NPI active?
- Yes — Crystal Zirak's NPI (1679740021) is active in the NPPES registry as of the last update on 2008-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.