Dayan Zakrzewski
Behavior Technician · Garden Grove, CA
Dayan Zakrzewski is a behavior technician with a practice address in Garden Grove, California, and NPI 1669964557, issued on Jun 5, 2018. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Dayan Zakrzewski
- Primary taxonomy
- Behavior Technician 106S00000X
- Practice location
- 12399 Lewis St, Garden Grove, CA 92840
- Phone
- (714) 750-0575
- Enumerated
- Jun 5, 2018
- Record last updated
- Jun 5, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 12399 Lewis St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Dayan Zakrzewski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2,130 behavior technician records list a practice address in Garden Grove
They are 2,130 of the 4,572 NPPES records with a practice address in Garden Grove, and 171,666 behavior technician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,130 in Garden Grove → All 171,666 in California → Every provider in Garden Grove →
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Common questions
What is Dayan Zakrzewski's NPI number?
Dayan Zakrzewski's National Provider Identifier (NPI) is 1669964557, issued on Jun 5, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Dayan Zakrzewski located?
The NPPES record lists a practice address at 12399 Lewis St, Garden Grove, CA, 92840. Phone: (714) 750-0575. Providers update this record themselves, so call before visiting.
How can I verify Dayan Zakrzewski's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.