Nancy Ewen Yvonne Wang, MD
Pediatric Emergency Medicine (Emergency Medicine) Physician · Stanford, CA
Nancy Ewen Yvonne Wang, MD is a pediatric emergency medicine (emergency medicine) physician with a practice address in Stanford, California, and NPI 1598801961, issued on Jan 30, 2007. Check the license (California G79905, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nancy Ewen Yvonne Wang
- Credential
- MD
- Primary taxonomy
- Pediatric Emergency Medicine (Emergency Medicine) Physician 207PP0204X
- License number
- G79905 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Jan 30, 2007
- Record last updated
- Mar 5, 2025
- Fax
- (650) 723-0121
- Entity
- Type 1 · individual
8 nearest pediatric emergency medicine (emergency medicine) physician records → All 78 in California → Look up another NPI →
Also registered at 300 Pasteur Dr
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Verify Nancy Ewen Yvonne Wang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G79905Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 61.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Nancy Ewen Yvonne Wang among 78 pediatric emergency medicine (emergency medicine) physician records in California
Nancy Ewen Yvonne Wang, MD is one of 78 pediatric emergency medicine (emergency medicine) physician records with a practice address in California. 47% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 26% of them.
- NPI issued2007 · 26% of these records are older, 59% newer
- In a Medicare fileYes · 47% of these records are
- In the CMS Doctors and Clinicians fileNo · 31% of these records are
- Record last updated2025 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PP0204X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Emergency Medicine (Emergency Medicine) Physician providers in California
There are 78 pediatric emergency medicine (emergency medicine) physician records in California.
All 78 in California → Every provider in Stanford → Pediatric Emergency Medicine (Emergency Medicine) Physician nationwide →
The 8 pediatric emergency medicine (emergency medicine) physician records with the nearest ZIP codes
- Brittany Boswell, MDStanford, CA 943051083033575
- Bernard Dannenberg, MDStanford, CA 943051639105489
- Guillermo De Angulo, MDStanford, CA 943051588921241
- Andrea Fang, MDStanford, CA 943051447563549
- Daniel Imler, MDStanford, CA 943051629101126
- Mia Karamatsu, MDStanford, CA 943051194925933
- Kajal Khanna, MDStanford, CA 943051831396936
- Preeti Panda, M.D.Stanford, CA 943051487180527
Common questions
What is Nancy Ewen Yvonne Wang, MD's NPI number?
Nancy Ewen Yvonne Wang, MD's National Provider Identifier (NPI) is 1598801961, issued on Jan 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Ewen Yvonne Wang, MD located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Nancy Ewen Yvonne Wang, MD's license?
NPPES lists California license number G79905, 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.
What is Nancy Ewen Yvonne Wang, MD's MIPS final score?
The 2023 MIPS final score is 61.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.