Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Zachary Chak

Individual provider Chiropractor · NPI 1720958903

Zachary Chak is a Chiropractic in San Francisco, California. Qualified in 2023, 3 years ago. Practices with North East Medical Services, a 143-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
3
Licensed in
CA
In the registry since
2025
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Practice location Address checks out

2633 San Bruno Ave
San Francisco, CA 94134-1597
Phone: (888) 500-1886
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 36682 (CA)

Record details

NPI number1720958903
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedNovember 11, 2025
Last updated in NPPESNovember 11, 2025
Certification dateNovember 11, 2025
Mailing address19043 Dalmatia Pl, Castro Valley, CA 94546-2840

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCHIROPRACTIC
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice North East Medical Services — 143 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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