DR. WILLIAM YU D.O.
NPI 1154525921
Psychiatry & Neurology - Psychiatry in New York, NY

Q: What is William Yu's NPI number?

The NPI number for William Yu is 1154525921. It was assigned to this individual provider in the NPPES registry on June 13, 2007.

Q: What is William Yu's specialty?

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

Q: Is William Yu enrolled in Medicare?

No. William Yu has opted out of Medicare through November 24, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

Q: When was this NPI record last updated?

The NPPES record for William Yu was last updated on June 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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 June 13, 2007Opted out of Medicare · through Nov 24, 2027

215 E 96TH ST # 36G, NEW YORK, NY 10128(917) 593-8023 Get Directions Write a Review

NPPES record last updated: June 16, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. William Yu D.o. NPPES

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

DR. WILLIAM YU D.O. (NPI 1154525921) is an individual psychiatry provider in New York, New York, licensed in New York (263813) and active in the NPI registry since June 2007. He has opted out of Medicare through November 24, 2027.

NPPES Registry Identity

NPI1154525921

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. WILLIAM YUCredential: D.O.

Location Address215 E 96TH ST # 36GNew York, NY 10128-3835

Mailing Address215 E 96th St # 36gNew York, NY 10128-3835 · (917) 593-8023

Phone(917) 593-8023

Sole ProprietorYes

Enumeration DateJune 13, 2007

Last NPPES UpdateJune 16, 2025

NPPES CertifiedMay 30, 2025

✔ NPI 1154525921 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in NY · 263813

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.

Also ListedPsychiatry & Neurology · Child & Adolescent PsychiatryTaxonomy 2084P0804X · License 263813 (NY)

215 E 96TH ST # 36G, New York, NY 10128

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. William Yu D.o. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from November 24, 2025 through November 24, 2027.

Opt-Out Effective DateNovember 24, 2025

Opt-Out In Effect ThroughNovember 24, 2027Opt-out affidavits renew automatically every two years unless cancelled

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 William Yu's NPI number?

The NPI number for William Yu is 1154525921. It was assigned to this individual provider in the NPPES registry on June 13, 2007.

Where is William Yu located?

William Yu practices at 215 E 96th St # 36G, New York, NY 10128. The listed phone number is (917) 593-8023.

What is William Yu's specialty?

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

Is William Yu enrolled in Medicare?

No. William Yu has opted out of Medicare through November 24, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

What insurance does William Yu accept?

Health plans from Providence Health Plan list William Yu 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 William Yu was last updated on June 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.