WILLIAM WOOSUK YANG MD
NPI 1740741172
Psychiatry & Neurology - Psychiatry in San Jose, CA

Q: What is William Yang's NPI number?

The NPI number for William Yang is 1740741172. It was assigned to this individual provider in the NPPES registry on March 28, 2019.

Q: What is William Yang's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for William Yang was last updated on January 29, 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.

Active since March 28, 2019PECOS Enrolled

1887 MONTEREY HWY STE 205, SAN JOSE, CA 95112(860) 245-9797(860) 413-0876 Get Directions Write a Review

NPPES record last updated: January 29, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 29, 2026, Sep 10, 2023 (2 updates tracked since 2023).

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About William Woosuk Yang Md NPPES

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

WILLIAM WOOSUK YANG MD (NPI 1740741172) is an individual psychiatry provider in San Jose, California, licensed in California (A188532) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1740741172

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameWILLIAM WOOSUK YANGCredential: MD

Location Address1887 MONTEREY HWY STE 205San Jose, CA 95112-6192

Mailing Address1887 Monterey Hwy Ste 205San Jose, CA 95112-6192 · (860) 245-9797 · Fax (860) 413-0876

Phone(860) 245-9797

Fax(860) 413-0876

Sole ProprietorNo

Enumeration DateMarch 28, 2019

Last NPPES UpdateJanuary 29, 20262 updates tracked since enumeration

NPPES CertifiedJanuary 29, 2026

✔ NPI 1740741172 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

Licenses✔ Licensed in CA · A188532✔ Licensed in CT · 74360

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

1887 MONTEREY HWY STE 205, San Jose, CA 95112

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Harvard Pilgrim Health Care, Oscar Health Maintenance Organization of Florida, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Woosuk Yang Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95112 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$206.04 typical visit price

range $70.37 – $206.04

Typical copayment $51.51 (range $17.59 – $51.51)

Most-billed visit code 99205

Established Patient

$86.56 typical visit price

range $23.96 – $169.60

Typical copayment $21.64 (range $5.99 – $42.40)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

SUEMY MARIELA HERNANDEZ MAY

Case Manager/Care Coordinator