DR. WILFRED KWOK WAI CHOI PSY.D.
NPI 1437626884
Psychologist in San Francisco, CA

Active since October 24, 2018PECOS EnrolledAccepts Medicare Assignment
601 CLEMENT ST, SAN FRANCISCO, CA 94118(415) 223-1901(415) 668-0246 Get Directions Write a Review

NPPES record last updated: January 30, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 30, 2026, May 10, 2021, May 20, 2019 and 1 more (4 updates tracked since 2018).

About Dr. Wilfred Kwok Wai Choi Psy.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILFRED KWOK WAI CHOI PSY.D. (NPI 1437626884) is an individual psychologist in San Francisco, California, licensed in California (32579) and active in the NPI registry since October 2018. He is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1437626884
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. WILFRED KWOK WAI CHOICredential: PSY.D.
Location Address601 CLEMENT STSan Francisco, CA 94118-2206
Mailing Address601 Clement StSan Francisco, CA 94118-2206 · (415) 223-1901 · Fax (415) 668-0246
Fax(415) 668-0246
Sole ProprietorYes
Medical School CMSOtherGraduated 2017
Enumeration DateOctober 24, 2018
Last NPPES UpdateJanuary 30, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 30, 2026
NPI 1437626884 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in CA · 32579
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.
Also ListedCounselorTaxonomy 101Y00000X
601 CLEMENT ST, San Francisco, CA 94118

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

Dr. Wilfred Kwok Wai Choi Psy.d. 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 ID2163824657
PECOS Enrollment IDI20210706003382
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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 45 minutes 90834
Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.
201 services14 patients
Psychotherapy, 30 minutes 90832
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 30-minute session, the therapist helps you explore feelings, thoughts, and behaviors to better understand yourself and manage life's challenges.
37 services13 patients
Psychiatric diagnostic evaluation 90791
A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.
16 services15 patients

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.

Marriage & Family Therapist
601 CLEMENT ST
SAN FRANCISCO, CA 94118
Rehabilitation Practitioner
601 CLEMENT ST
SAN FRANCISCO, CA 94118
Student in an Organized Health Care Education/Training Program
601 CLEMENT ST
SAN FRANCISCO, CA 94118
Technician, Other
601 CLEMENT ST
SAN FRANCISCO, CA 94118
Student in an Organized Health Care Education/Training Program
601 CLEMENT ST
SAN FRANCISCO, CA 94118
Student in an Organized Health Care Education/Training Program
601 CLEMENT ST
SAN FRANCISCO, CA 94118
Psychologist
601 CLEMENT ST
SAN FRANCISCO, CA 94118
Student in an Organized Health Care Education/Training Program
601 CLEMENT ST
SAN FRANCISCO, CA 94118

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 Wilfred Choi's NPI number?

The NPI number for Wilfred Choi is 1437626884. It was assigned to this individual provider in the NPPES registry on October 24, 2018.

Where is Wilfred Choi located?

Wilfred Choi practices at 601 Clement St, San Francisco, CA 94118. The listed phone number is (415) 223-1901.

What is Wilfred Choi's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Wilfred Choi enrolled in Medicare?

Yes. Wilfred Choi 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.

When was this NPI record last updated?

The NPPES record for Wilfred Choi was last updated on January 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.