CHRISTINA GARRISON-DIEHN PHD
NPI 1053766030
Psychologist in San Francisco, CA

Active since April 27, 2016PECOS EnrolledAccepts Medicare Assignment
401 PARNASSUS AVE, SAN FRANCISCO, CA 94143(415) 476-7500 Get Directions Write a Review

NPPES record last updated: April 27, 2016. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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

NPI1053766030
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameCHRISTINA GARRISON-DIEHNCredential: PHD
Location Address401 PARNASSUS AVESan Francisco, CA 94143-2211
Mailing Address401 Parnassus AveSan Francisco, CA 94143-2211
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateApril 27, 2016
NPI 1053766030 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in CA · 28200
Definition

A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.

401 PARNASSUS AVE, San Francisco, CA 94143

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID9032406731
PECOS Enrollment IDI20230208000694
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Psychologist (Clinical)
401 PARNASSUS AVE, LP 488
SAN FRANCISCO, CA 94143
Social Worker (Clinical)
401 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Psychiatry & Neurology (Psychiatry)
401 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Psychiatric Hospital
401 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Clinical Neuropsychologist
401 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Psychiatry & Neurology (Psychiatry)
401 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Psychologist (Clinical)
401 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Psychiatry & Neurology (Child & Adolescent Psychiatry)
401 PARNASSUS AVE, THE CHILDRENS CENTER AT LANGLEY PORTER
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.

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 with the weekly NPPES data releases published by CMS.