Diane Harnish, PH.D.
NPI 1962791640 · Psychologist · Sebastopol, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane Harnish, PH.D. is a Psychologist provider in Sebastopol, CA (NPI 1962791640).
Provider details
- NPI number
- 1962791640
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY24138 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
15 yrs 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
Mailing address
Registry dates
- Enumerated
- 2011-04-01
- Last updated
- 2024-12-06
- Certified
- 2024-12-06
Frequently asked questions
- What is Diane Harnish's NPI number?
- Diane Harnish's National Provider Identifier (NPI) is 1962791640, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Harnish's specialty?
- Diane Harnish is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Diane Harnish located?
- Diane Harnish's practice location on file with NPPES is 6741 Redwood Ave, Sebastopol, CA 95472-4514.
- What is Diane Harnish's phone number?
- The practice phone number listed in the NPPES registry for Diane Harnish is (415) 924-4252.
- Does Diane Harnish accept Medicare?
- Diane Harnish is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane Harnish's NPI active?
- Yes — Diane Harnish's NPI (1962791640) is active in the NPPES registry as of the last update on 2024-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.