1. Home
  2. Directory
  3. California
  4. San Jose
  5. Emergency Medicine
  6. NPI Profile

LISA WEN-WEN YANG MD
NPI 1922266451
Emergency Medicine in San Jose, CA

Active since May 31, 2008PECOS Enrolled
250 HOSPITAL PKWY, SAN JOSE, CA 95119(408) 972-6140 Get Directions Write a Review

NPPES record last updated: December 15, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 15, 2021, Feb 27, 2017 (2 updates tracked since 2017).

About Lisa Wen-wen Yang Md NPPES

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

LISA WEN-WEN YANG MD (NPI 1922266451) is an individual emergency medicine provider in San Jose, California, licensed in California (A117334) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1922266451
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameLISA WEN-WEN YANGCredential: MD
Location Address250 HOSPITAL PKWYSan Jose, CA 95119-1103
Mailing Address250 Hospital PkwySan Jose, CA 95119-1103 · (408) 972-6140
Phone(408) 972-6140
Sole ProprietorNo
Enumeration DateMay 31, 2008
Last NPPES UpdateDecember 15, 20212 updates tracked since enumeration
✔ NPI 1922266451 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A117334
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
250 HOSPITAL PKWY, San Jose, CA 95119
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lisa Wen-wen 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.

Medicare Billing Reassignment

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

Permanente Medical Group Inc
13 mi
Internal Medicine
710 LAWRENCE EXPRESSWAY
Santa Clara, CA 95051
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1073606299 (408) 851-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95119 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
$106.47 typical visit price
range $70.37 – $206.04
Typical copayment $26.61 (range $17.59 – $51.51)
Most-billed visit code 99203
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
Most-billed visit code 99214
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.

MRS. JOANNE DELOSREYES PHO P.T.
Physical Therapist
250 HOSPITAL PKWY
SAN JOSE, CA 95119
Santa Clara County (408) 972-7236
ASSEFA WORKU MD
Internal Medicine
250 HOSPITAL PKWY, 260 INTERNATIONAL CIRCLE
SAN JOSE, CA 95119
Santa Clara County (408) 972-7000
THOMAS ALEC SA
Physical Therapist
250 HOSPITAL PKWY
SAN JOSE, CA 95119
Santa Clara County (408) 972-6400
ANGELA ANQI SONG
Psychiatry & Neurology (Psychiatry)
250 HOSPITAL PKWY
SAN JOSE, CA 95119
Santa Clara County (408) 972-3000
SHAMSHER SINGH MD
Family Medicine
250 HOSPITAL PKWY
SAN JOSE, CA 95119
Santa Clara County (408) 972-3000
EVON NHU GIA DU PHARMD
Pharmacist
250 HOSPITAL PKWY
SAN JOSE, CA 95119
Santa Clara County (626) 509-0616
DR. FRANCIS DOMINIC WONG D.O
Anesthesiology (Pain Medicine)
250 HOSPITAL PKWY
SAN JOSE, CA 95119
Santa Clara County (408) 972-3000
KATHERINE HONG NGUYEN PHARMD
Pharmacist (Psychiatric)
250 HOSPITAL PKWY
SAN JOSE, CA 95119
Santa Clara County (408) 972-3000

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 Lisa Yang's NPI number?

The NPI number for Lisa Yang is 1922266451. It was assigned to this individual provider in the NPPES registry on May 31, 2008.

Where is Lisa Yang located?

Lisa Yang practices at 250 Hospital Pkwy, San Jose, CA 95119. The listed phone number is (408) 972-6140.

What is Lisa Yang's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Lisa Yang enrolled in Medicare?

Yes. Lisa Yang is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lisa Yang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lisa Yang reassigns Medicare benefits to Permanente Medical Group Inc (Santa Clara, 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 Lisa 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 Lisa Yang was last updated on December 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.