Cristina Diaz
NPI 1528926789 · Hearing Instrument Specialist · Westminster, CA
Cristina Diaz is a Hearing Instrument Specialist provider in Westminster, CA (NPI 1528926789).
Provider details
- NPI number
- 1528926789
- Entity type
- Individual
- Primary specialty
- Hearing Instrument SpecialistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 9200 (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
1 documented practice location
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
Registry dates
- Enumerated
- 2026-01-14
- Last updated
- 2026-01-14
- Certified
- 2026-01-14
Frequently asked questions
- What is Cristina Diaz's NPI number?
- Cristina Diaz's National Provider Identifier (NPI) is 1528926789, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cristina Diaz's specialty?
- Cristina Diaz is listed in the NPPES registry with a primary specialty of Hearing Instrument Specialist (Speech, Language and Hearing Service Providers).
- Where is Cristina Diaz located?
- Cristina Diaz's practice location on file with NPPES is 5555 Garden Grove Blvd Ste 200, Westminster, CA 92683-8234.
- What is Cristina Diaz's phone number?
- The practice phone number listed in the NPPES registry for Cristina Diaz is (714) 898-5732.
- Is Cristina Diaz's NPI active?
- Yes — Cristina Diaz's NPI (1528926789) is active in the NPPES registry as of the last update on 2026-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.