Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Christina Garrison-Diehn, PHD

Individual provider Psychologist · NPI 1053766030

Christina Garrison-Diehn, PHD is a Clinical Psychologist in San Francisco, California. Qualified in 2014, 12 years ago. Practices with Indian Health Board of Minneapolis Inc, a 10-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
12
Licensed in
CA
In the registry since
2016
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

401 Parnassus Ave
San Francisco, CA 94143-2211
Phone: (415) 476-7500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 28200 (CA)

Record details

NPI number1053766030
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedApril 27, 2016
Last updated in NPPESApril 27, 2016

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Indian Health Board Of Minneapolis Inc — 10 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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