DR. CHAOYING ZHANG
NPI 1720962194
Hearing Instrument Specialist in Cupertino, CA

Q: What is Chaoying Zhang's NPI number?

The NPI number for Chaoying Zhang is 1720962194. It was assigned to this individual provider in the NPPES registry on July 31, 2025.

Q: What is Chaoying Zhang's specialty?

The primary specialty registered for this NPI is Hearing Instrument Specialist with taxonomy code 237700000X.

Q: When was this NPI record last updated?

The NPPES record for Chaoying Zhang was last updated on July 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 31, 2025

20480 PACIFICA DR STE B, CUPERTINO, CA 95014(760) 402-6733 Get Directions Write a Review

NPPES record last updated: July 31, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Chaoying Zhang NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CHAOYING ZHANG (NPI 1720962194) is an individual hearing instrument specialist in Cupertino, California, licensed in California (7004) and active in the NPI registry since July 2025. He maintains a secondary practice location in Sunnyvale.

NPPES Registry Identity

NPI1720962194

Entity TypeIndividualMale

Primary Taxonomy237700000X

Provider Legal NameDR. CHAOYING ZHANG

Location Address20480 PACIFICA DR STE BCupertino, CA 95014-3015

Mailing Address657 W Garland TerSunnyvale, CA 94086-7931 · (408) 718-6075

Phone(760) 402-6733

Sole ProprietorYes

Enumeration DateJuly 31, 2025

NPPES CertifiedJuly 31, 2025

✔ NPI 1720962194 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHearing Instrument SpecialistSpeech, Language and Hearing Service Providers

Taxonomy Code237700000X

License✔ Licensed in CA · 7004

Definition

Individuals who test hearing for the selection, adaptation, fitting, adjusting, servicing, and sale of hearing aids. Hearing Instrument Specialist is a designation provided individuals who qualify by the National Hearing Aid Society

20480 PACIFICA DR STE B, Cupertino, CA 95014

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Secondary Practice Location 1

Location 1657 W Garland TerSunnyvale, CA 94086-7931 · Phone (408) 718-6075

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Chaoying Zhang's NPI number?

The NPI number for Chaoying Zhang is 1720962194. It was assigned to this individual provider in the NPPES registry on July 31, 2025.

Where is Chaoying Zhang located?

Chaoying Zhang practices at 20480 Pacifica Dr Ste B, Cupertino, CA 95014. The listed phone number is (760) 402-6733.

What is Chaoying Zhang's specialty?

The primary specialty registered for this NPI is Hearing Instrument Specialist with taxonomy code 237700000X.

When was this NPI record last updated?

The NPPES record for Chaoying Zhang was last updated on July 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.