NPPES file of Aug 9, 2026

Chris Y. Wang, M.D.

Emergency Medicine Physician · Tarzana, CA

Chris Y. Wang, M.D. is an emergency medicine physician with a practice address in Tarzana, California, and NPI 1477710820, issued on May 21, 2008. Check the license (California A110514, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477710820
Name
Chris Y. Wang
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
A110514 CA
252680 NY
Self-reported in NPPES; status is on the state search
Practice location
18321 Clark St, Tarzana, CA 91356
Phone
(818) 708-5172
Enumerated
May 21, 2008
Record last updated
Aug 3, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20100824000671); accepts Medicare assignment
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 18321 Clark St

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

  1. Eric Abkian, MDInternal Medicine Physician1750841920
  2. Sheriff AbuduHospitalist Physician1770978298
  3. Mohammad Abuzaineh, M.D.Anesthesiology Physician1992712806
  4. Amir Ahmed, MDHospitalist Physician1306425640
  5. Celia Alconcel, M.D.Neonatal-Perinatal Medicine Physician1982615654
  6. Nathan AlyeshInternal Medicine Physician1417362856

Verify Chris Y. 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 A110514
    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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6% more Medicare Part D claims than the average emergency medicine physician in 2024

239 Medicare Part D claims for 181 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 28 claims were for opioids.

  1. Chris Wang239
  2. Specialty average226

Most prescribed

  1. Ondansetron Odt39 claims
  2. Cephalexin27 claims
  3. Hydrocodone-Acetaminophen23 claims
  4. Prednisone13 claims
  5. Amoxicillin-Clavulanate Potass11 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 90 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.

  1. Qualityout of 100 · 30% of the final score76.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Cep America - CaliforniaWalnut Creek, CA

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

Chris Y. Wang among 7,751 emergency medicine physician records in California

Chris Y. Wang, M.D. 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 fileYes · 59% of these records are
  • Graduated2006 · median 2011 among the 4,560 with a school on file
  • Record last updated2012 · 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. Ralph Baca, M.D.Tarzana, CA 913561538102082
  2. Neil Canby, M.D.Tarzana, CA 913561023056546
  3. Frederick Dennis, M.D.Tarzana, CA 913561033157003
  4. Breahn Donaldson, MDTarzana, CA 913561104486208
  5. Vincent Green, M.D.Tarzana, CA 913561902849862
  6. Jason Greenspan, M.D.Tarzana, CA 913561780626697
  7. Alan Heilpern, M.D.Tarzana, CA 913561649219080
  8. Anthony Hernandez, M.D.Tarzana, CA 913561376587212

Common questions

What is Chris Y. Wang, M.D.'s NPI number?

Chris Y. Wang, M.D.'s National Provider Identifier (NPI) is 1477710820, issued on May 21, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Chris Y. Wang, M.D. located?

The NPPES record lists a practice address at 18321 Clark St, Tarzana, CA, 91356. Phone: (818) 708-5172. Providers update this record themselves, so call before visiting.

How can I verify Chris Y. Wang, M.D.'s license?

NPPES lists California license number A110514, 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 Chris Y. Wang, M.D. prescribe under Medicare Part D?

In 2024, Chris Y. Wang, M.D. had 239 Medicare Part D claims for 181 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Chris Y. Wang, M.D.'s MIPS final score?

The 2023 MIPS final score is 90 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.