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WILLIAM YANG MD
NPI 1932789351
Anesthesiology in San Jose, CA

Active since April 09, 2021PECOS EnrolledAccepts Medicare Assignment
751 S BASCOM AVE, SAN JOSE, CA 95128(443) 636-1098 Get Directions Write a Review

NPPES record last updated: July 2, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 2, 2025, Apr 9, 2021 (2 updates tracked since 2021).

About William Yang Md NPPES

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

WILLIAM YANG MD (NPI 1932789351) is an individual anesthesiology provider in San Jose, California, licensed in California (A182213) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1932789351
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameWILLIAM YANGCredential: MD
Location Address751 S BASCOM AVESan Jose, CA 95128-2604
Mailing Address9930 Timberknoll LnEllicott City, MD 21042-4928 · (443) 636-1098
Phone(443) 636-1098
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateApril 9, 2021
Last NPPES UpdateJuly 2, 20252 updates tracked since enumeration
NPPES CertifiedJuly 2, 2025
✔ NPI 1932789351 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A182213
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
751 S BASCOM AVE, San Jose, CA 95128
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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

William Yang Md 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 ID9335654649
PECOS Enrollment IDI20250715004405
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.

Medicare Billing Reassignment

Medicare enrollment records show William Yang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

County Of Santa Clara
Same address
Anesthesiology
751 S. BASCOM AVENUE
San Jose, CA 95128
  • Reassigned Medicare billing, California enrollment
  • 2,460 clinicians in this Medicare group
NPI 1588721500 (408) 885-5000

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.

MS. TRANG N NGUYEN PHARM.D
Pharmacist
751 S BASCOM AVE
SAN JOSE, CA 95128
Santa Clara County (408) 885-2360
DR. ILANA TRAYNIS M.D.
Student in an Organized Health Care Education/Training Program
751 S BASCOM AVE, DEPARTMENT OF MEDICINE
SAN JOSE, CA 95128
Santa Clara County (408) 885-6300
DR. ABBY KATHERINE SCURFIELD MD
Student in an Organized Health Care Education/Training Program
751 S BASCOM AVE
SAN JOSE, CA 95128
Santa Clara County (408) 885-5000
GABRIELLE MINEHAN CCP
Perfusionist
751 S BASCOM AVE
SAN JOSE, CA 95128
Santa Clara County (408) 885-5000
PRIYA NIGAM MD
Student in an Organized Health Care Education/Training Program
751 S BASCOM AVE
SAN JOSE, CA 95128
Santa Clara County (408) 885-5000
CAROLINE DENISON JORDAN
Student in an Organized Health Care Education/Training Program
751 S BASCOM AVE
SAN JOSE, CA 95128
Santa Clara County (408) 885-5000
MICHAEL NATHANSON MD, PHD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
751 S BASCOM AVE, CARDIAC SURGERY DEPT
SAN JOSE, CA 95128
Santa Clara County (408) 885-5000
EAMONN PATRICK DUNPHY MD
Internal Medicine
751 S BASCOM AVE, RADIATION ONCOLOGY
SAN JOSE, CA 95128
Santa Clara County (408) 885-4150

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 Yang's NPI number?

The NPI number for William Yang is 1932789351. It was assigned to this individual provider in the NPPES registry on April 9, 2021.

Where is William Yang located?

William Yang practices at 751 S Bascom Ave, San Jose, CA 95128. The listed phone number is (443) 636-1098.

What is William Yang's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is William Yang enrolled in Medicare?

Yes. William Yang 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 organization bills Medicare for William Yang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Yang reassigns Medicare benefits to County Of Santa Clara (San Jose, CA). The 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 William Yang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for William Yang was last updated on July 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.