NPPES file of Aug 9, 2026

Xiao Wang

Emergency Medicine Physician · San Jose, CA

Xiao Wang is an emergency medicine physician with a practice address in San Jose, California, and NPI 1053706291, issued on Apr 4, 2015. Check the license (California 179053, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1053706291
Name
Xiao Wang
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
179053 CA
274450 MA
Self-reported in NPPES; status is on the state search
Practice location
250 Hospital Pkwy, San Jose, CA 95119
Phone
(408) 362-4740
Enumerated
Apr 4, 2015
Record last updated
Jul 15, 2022
Medicare enrollment
Enrolled (PECOS I20220927002501); accepts Medicare assignment
Medical or professional school
University Of Pittsburgh School Of Medicine, 2015
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 250 Hospital Pkwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kristine AmiiPhysical Therapist1356696975
  2. Franklin Amog, RNCritical Care Medicine Registered Nurse1376408914
  3. Rachel AranzasoSocial Worker1740659366
  4. Robert Atienza, MDAnatomic Pathology & Clinical Pathology Physician1609134725
  5. Elizabeth BaileyDietary Manager1346388758
  6. Heather BlakeCertified Registered Nurse Anesthetist1750771168

Verify Xiao Wang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 179053
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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38% fewer Medicare Part D claims than the average emergency medicine physician in 2024

140 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. Brand-name drugs were 9% of claims. 13 claims were for opioids.

  1. Xiao Wang140
  2. Specialty average226

Most prescribed

  1. Oxycodone Hcl12 claims
  2. 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.

Bills Medicare through one group practice

  1. Permanente Medical Group IncSan Jose, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Xiao Wang among 7,751 emergency medicine physician records in California

Xiao Wang 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 2015, is newer than 72% of them.

  • NPI issued2015 · 72% of these records are older, 25% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2015 · median 2011 among the 4,560 with a school on file
  • Record last updated2022 · 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.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Kevin Ernsting, MDSan Jose, CA 951191518043025
  2. Lisa Hung, DOSan Jose, CA 951191942386453
  3. Chandu Karadi, MDSan Jose, CA 951191851477368
  4. Ryan Kime, MDSan Jose, CA 951191184700692
  5. Charles Kutner, MDSan Jose, CA 951191083790596
  6. Walter Kwan, M.D.San Jose, CA 951191174635155
  7. Joseph Lago, MDSan Jose, CA 951191144306671
  8. Angela Loh, MDSan Jose, CA 951191275611774

Common questions

What is Xiao Wang's NPI number?

Xiao Wang's National Provider Identifier (NPI) is 1053706291, issued on Apr 4, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Xiao Wang located?

The NPPES record lists a practice address at 250 Hospital Pkwy, San Jose, CA, 95119. Phone: (408) 362-4740. Providers update this record themselves, so call before visiting.

How can I verify Xiao Wang's license?

NPPES lists California license number 179053, 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 Xiao Wang prescribe under Medicare Part D?

In 2024, Xiao Wang had 140 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.