Lisa Wen-Wen Yang, MD
Emergency Medicine Physician · San Jose, CA
Lisa Wen-Wen Yang, MD is an emergency medicine physician with a practice address in San Jose, California, and NPI 1922266451, issued on May 31, 2008. Check the license (California A117334, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lisa Wen-Wen Yang
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A117334 CA
Self-reported in NPPES; status is on the state search - Practice location
- 250 Hospital Pkwy, San Jose, CA 95119
- Phone
- (408) 972-6140
- Enumerated
- May 31, 2008
- Record last updated
- Dec 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 250 Hospital Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristine AmiiPhysical Therapist1356696975
- Franklin Amog, RNCritical Care Medicine Registered Nurse1376408914
- Rachel AranzasoSocial Worker1740659366
- Robert Atienza, MDAnatomic Pathology & Clinical Pathology Physician1609134725
- Elizabeth BaileyDietary Manager1346388758
- Heather BlakeCertified Registered Nurse Anesthetist1750771168
Verify Lisa Wen-Wen Yang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A117334Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average emergency medicine physician in 2024
146 Medicare Part D claims for 93 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Acetaminophen-Codeine13 claims
- Ondansetron Odt11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Lisa Wen-Wen Yang among 7,751 emergency medicine physician records in California
Lisa Wen-Wen Yang, MD is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 50% of them.
- NPI issued2008 · 50% of these records are older, 46% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in San Jose → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Kevin Ernsting, MDSan Jose, CA 951191518043025
- Lisa Hung, DOSan Jose, CA 951191942386453
- Chandu Karadi, MDSan Jose, CA 951191851477368
- Ryan Kime, MDSan Jose, CA 951191184700692
- Charles Kutner, MDSan Jose, CA 951191083790596
- Walter Kwan, M.D.San Jose, CA 951191174635155
- Joseph Lago, MDSan Jose, CA 951191144306671
- Angela Loh, MDSan Jose, CA 951191275611774
Common questions
What is Lisa Wen-Wen Yang, MD's NPI number?
Lisa Wen-Wen Yang, MD's National Provider Identifier (NPI) is 1922266451, issued on May 31, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Lisa Wen-Wen Yang, MD located?
The NPPES record lists a practice address at 250 Hospital Pkwy, San Jose, CA, 95119. Phone: (408) 972-6140. Providers update this record themselves, so call before visiting.
How can I verify Lisa Wen-Wen Yang, MD's license?
NPPES lists California license number A117334, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lisa Wen-Wen Yang, MD prescribe under Medicare Part D?
In 2024, Lisa Wen-Wen Yang, MD had 146 Medicare Part D claims for 93 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.