Zachary Chak
Chiropractor · San Francisco, CA
Zachary Chak is a chiropractor with a practice address in San Francisco, California, and NPI 1720958903, issued on Nov 11, 2025. Check the license (California 36682, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Zachary Chak
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- 36682 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2633 San Bruno Ave, San Francisco, CA 94134
- Phone
- (888) 500-1886
- Enumerated
- Nov 11, 2025
- Record last updated
- Nov 11, 2025
- Medicare enrollment
- Enrolled (PECOS I20251217003723); accepts Medicare assignment
- Entity
- Type 1 · individual
Verify Zachary Chak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 36682Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- North East Medical ServicesSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chiropractor providers in California
There are 11,498 chiropractor records in California.
All 11,498 in California → Every provider in San Francisco →
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Common questions
What is Zachary Chak's NPI number?
Zachary Chak's National Provider Identifier (NPI) is 1720958903, issued on Nov 11, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Chak located?
The NPPES record lists a practice address at 2633 San Bruno Ave, San Francisco, CA, 94134. Phone: (888) 500-1886. Providers update this record themselves, so call before visiting.
How can I verify Zachary Chak's license?
NPPES lists California license number 36682, as entered by the provider. 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. Medicare files from data.cms.gov. 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.