IndividualActive
Joselyn Diaz, CGC
NPI 1285471789 · Genetic Counselor (M.S.) · Palo Alto, CA
Joselyn Diaz, CGC is a Genetic Counselor (M.S.) provider in Palo Alto, CA (NPI 1285471789).
Provider details
- NPI number
- 1285471789
- Entity type
- Individual
- Primary specialty
- Genetic Counselor (M.S.)Other Service Providers
- Credential
- CGC
- Sex
- Female
- Sole proprietor
- No
- License
- GC001761 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(56/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES 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
875 Blake Wilbur Dr
Palo Alto, CA 94304-2205
Phone: (650) 498-6000
Approximate (ZIP-level) locationGet directions
Mailing address
2805 20th St
San Pablo, CA 94806-2429
Registry dates
- Enumerated
- 2024-07-11
- Last updated
- 2024-07-11
- Certified
- 2024-07-11
Frequently asked questions
- What is Joselyn Diaz's NPI number?
- Joselyn Diaz's National Provider Identifier (NPI) is 1285471789, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joselyn Diaz's specialty?
- Joselyn Diaz is listed in the NPPES registry with a primary specialty of Genetic Counselor (M.S.) (Other Service Providers).
- Where is Joselyn Diaz located?
- Joselyn Diaz's practice location on file with NPPES is 875 Blake Wilbur Dr, Palo Alto, CA 94304-2205.
- What is Joselyn Diaz's phone number?
- The practice phone number listed in the NPPES registry for Joselyn Diaz is (650) 498-6000.
- Is Joselyn Diaz's NPI active?
- Yes — Joselyn Diaz's NPI (1285471789) is active in the NPPES registry as of the last update on 2024-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.