CHRISTINA GARRISON-DIEHN PHD
NPI 1053766030
Psychologist in San Francisco, CA
About Christina Garrison-diehn Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTINA GARRISON-DIEHN PHD (NPI 1053766030) is an individual psychologist in San Francisco, California, licensed in California (28200) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Christina Garrison-diehn Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Christina Garrison-diehn reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
Minneapolis, MN 55404
- Reassigned Medicare billing, Minnesota enrollment
- 24 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Christina Garrison-diehn's NPI number?
The NPI number for Christina Garrison-diehn is 1053766030. It was assigned to this individual provider in the NPPES registry on April 27, 2016.
Where is Christina Garrison-diehn located?
Christina Garrison-diehn practices at 401 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 476-7500.
What is Christina Garrison-diehn's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Christina Garrison-diehn enrolled in Medicare?
Yes. Christina Garrison-diehn is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Christina Garrison-diehn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christina Garrison-diehn reassigns Medicare benefits to 3 organizations: University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Indian Health Board Of Minneapolis, Inc (Minneapolis, MN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Christina Garrison-diehn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christina Garrison-diehn accept?
Health plans from HealthPartners and Sanford Health Plan list Christina Garrison-diehn as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Christina Garrison-diehn was last updated on April 27, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.