Chaoying Zhang
NPI 1720962194 · Hearing Instrument Specialist · Cupertino, CA
Chaoying Zhang is a Hearing Instrument Specialist provider in Cupertino, CA (NPI 1720962194).
Provider details
- NPI number
- 1720962194
- Entity type
- Individual
- Primary specialty
- Hearing Instrument SpecialistSpeech, Language and Hearing Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 7004 (CA)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 657 W Garland TerSunnyvale, CA 94086-7931Phone: (408) 718-6075
Registry dates
- Enumerated
- 2025-07-31
- Last updated
- 2025-07-31
- Certified
- 2025-07-31
Frequently asked questions
- What is Chaoying Zhang's NPI number?
- Chaoying Zhang's National Provider Identifier (NPI) is 1720962194, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chaoying Zhang's specialty?
- Chaoying Zhang is listed in the NPPES registry with a primary specialty of Hearing Instrument Specialist (Speech, Language and Hearing Service Providers).
- Where is Chaoying Zhang located?
- Chaoying Zhang's practice location on file with NPPES is 20480 Pacifica Dr Ste B, Cupertino, CA 95014-3015.
- What is Chaoying Zhang's phone number?
- The practice phone number listed in the NPPES registry for Chaoying Zhang is (760) 402-6733.
- Is Chaoying Zhang's NPI active?
- Yes — Chaoying Zhang's NPI (1720962194) is active in the NPPES registry as of the last update on 2025-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.