Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Crystal Marie Zirak, B.A.
School Social Worker in Gardena, CA · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1679740021
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Registry record
Entity type Individual (Type 1)
Name Crystal Marie Zirak
Credential B.A.
Sex Female
Practice address 130 W Victoria St, Gardena, CA, 90248
Phone (310) 715-2020
Enumeration date May 14, 2008
Last updated in NPPES May 14, 2008
Taxonomy & licenses
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Crystal Zirak practice?
The practice location on file with NPPES is in Gardena, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Crystal Zirak?
The National Provider Identifier (NPI) for Crystal Zirak is 1679740021, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Ellinor Soriano Marriage & Family Therapist · Gardena, CA NPI 1619055175 Manuela Siriaco Marriage & Family Therapist · Gardena, CA NPI 1013051515 Efrain Ibarra Marriage & Family Therapist · Gardena, CA NPI 1427193770 Kalolaine Sekona Counselor · Gardena, CA NPI 1477682888 Marianne Lacoste Student in an Organized Health Care Education/Training Program · Gardena, CA NPI 1114057627 Staci Boehle Marriage & Family Therapist · Gardena, CA NPI 1649302837 Humie To Clinical Social Worker · Gardena, CA NPI 1700919875 Carlos Herrera Mental Health Counselor · Gardena, CA NPI 1477686939
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-05-14.