Christina Garrison-Diehn, PHD
NPI 1053766030 · Psychologist · San Francisco, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christina Garrison-Diehn, PHD is a Psychologist provider in San Francisco, CA (NPI 1053766030).
Provider details
- NPI number
- 1053766030
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- No
- License
- 28200 (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
10 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
- 2016-04-27
- Last updated
- 2016-04-27
Frequently asked questions
- What is Christina Garrison-Diehn's NPI number?
- Christina Garrison-Diehn's National Provider Identifier (NPI) is 1053766030, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christina Garrison-Diehn's specialty?
- Christina Garrison-Diehn is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Christina Garrison-Diehn located?
- Christina Garrison-Diehn's practice location on file with NPPES is 401 Parnassus Ave, San Francisco, CA 94143-2211.
- What is Christina Garrison-Diehn's phone number?
- The practice phone number listed in the NPPES registry for Christina Garrison-Diehn is (415) 476-7500.
- Does Christina Garrison-Diehn accept Medicare?
- Christina Garrison-Diehn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christina Garrison-Diehn's NPI active?
- Yes — Christina Garrison-Diehn's NPI (1053766030) is active in the NPPES registry as of the last update on 2016-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.