Diana Hernandez
NPI 1588518443 · Addiction (Substance Use Disorder) Counselor · Grass Valley, CA
Diana Hernandez is a Addiction (Substance Use Disorder) Counselor provider in Grass Valley, CA (NPI 1588518443).
Provider details
- NPI number
- 1588518443
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- RADT-T1420441025 (CA)
Specialties & taxonomies
Behavioral Health & Social 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
- 2026-02-25
- Last updated
- 2026-02-25
- Certified
- 2026-02-25
Frequently asked questions
- What is Diana Hernandez's NPI number?
- Diana Hernandez's National Provider Identifier (NPI) is 1588518443, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Hernandez's specialty?
- Diana Hernandez is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Diana Hernandez located?
- Diana Hernandez's practice location on file with NPPES is 256 Buena Vista St Ste 100, Grass Valley, CA 95945-7239.
- What is Diana Hernandez's phone number?
- The practice phone number listed in the NPPES registry for Diana Hernandez is (530) 274-2000.
- Is Diana Hernandez's NPI active?
- Yes — Diana Hernandez's NPI (1588518443) is active in the NPPES registry as of the last update on 2026-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.