Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Diagnostic Radiology

Phyllis Yang, MD

Sees patients in San Jose, CA · Los Gatos, CA · Sunnyvale, CA · California

Summary

Phyllis Yang, MD (Diagnostic Radiology) is enrolled with Medicare at 4 practice locations in San Jose, CA, Los Gatos, CA and Sunnyvale, CA. NPI 1992843916. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Phyllis Yang, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Diagnostic RadiologyPrimary specialty
YesAccepts Medicare assignment
24Years since medical school (graduated 2002)
Stanford University School Of MedicineMedical school
FemaleGender (as listed)
Valley Radiology Medical Associates IncGroup practice

Quick answers

Where does Phyllis Yang see patients?
Medicare's clinician data lists 4 practice locations, including San Jose, CA, Los Gatos, CA and Sunnyvale, CA. Call before your visit to confirm the address.
What is Phyllis Yang's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does Phyllis Yang accept Medicare assignment?
Yes. Medicare's clinician data says Phyllis Yang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Phyllis Yang?
(408) 297-4591, as listed in official Medicare / NPI Registry data.
What is Phyllis Yang's NPI number?
1992843916. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Phyllis Yang is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Phyllis Yang as a member of this group (CMS data updated 2026-10-02).

  • Valley Radiology Medical Associates Inc28 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in California →

Other radiologists in San Jose

Clinicians with the same Medicare primary specialty in San Jose, CA — not a recommendation.

All radiologists in San Jose →

Clinician information

CredentialMD
Medical schoolStanford University School Of Medicine
Graduation year2002
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1992843916
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians