Registry data as of Aug 27, 2026

Wanda Chang, M.D.

Physical Medicine & Rehabilitation Physician · Irvine, CA

Wanda Chang, M.D. is a physical medicine & rehabilitation physician with a practice address in Irvine, California, and NPI 1336396373, issued on Aug 21, 2008. Check the license (California A105274, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1336396373
Name
Wanda Chang
Credential
M.D.
Primary taxonomy
Physical Medicine & Rehabilitation Physician 208100000X
License number
A105274 CA
Self-reported in NPPES; status is on the state search
Practice location
6670 Alton Pkwy, Irvine, CA 92618
Phone
(949) 932-5398
Enumerated
Aug 21, 2008
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 6670 Alton Pkwy

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

  1. Brett AkahijiPhysical Therapist1790443356
  2. Bey-Ying Asada, PTPhysical Therapist1407063027
  3. Danny Botros, MDPain Medicine (Anesthesiology) Physician1588810816
  4. Katherine Ceman, RNRegistered Nurse1962377804
  5. Stacy ChangPsychiatric/Mental Health Nurse Practitioner1821978453
  6. Joanne Choi, PHARM.D.Pharmacist1497847719

Verify Wanda Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A105274    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

44% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024

404 Medicare Part D claims for 153 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 170 claims were for opioids.

  1. Wanda Chang404
  2. Specialty average727

Most prescribed

  1. Gabapentin88 claims
  2. Hydrocodone-Acetaminophen74 claims
  3. Pregabalin62 claims
  4. Oxycodone-Acetaminophen42 claims
  5. Tramadol Hcl21 claims
  6. Prednisone18 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. Southern California Permanente Medical GroupAnaheim, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Physical Medicine & Rehabilitation Physician providers in California

There are 1,549 physical medicine & rehabilitation physician records in California.

All 1,549 in California → Every provider in Irvine →

Other physical medicine & rehabilitation physician records in California

  1. Payandeh Abadee, M.D.San Pedro, CA1376557793
  2. Sherif Abdalla, MDFresno, CA1750563128
  3. Alexan Abdel-Malek, MDSylmar, CA1457410060
  4. Alicia Abels, M.D.Folsom, CA1336234442
  5. Gary Abrams, M.D.San Francisco, CA1346213246
  6. Michael Acord, MDCosta Mesa, CA1205903101
  7. Hugh Adams, M.D.Long Beach, CA1962436774
  8. Lefkos Aftonomos, M.D.San Mateo, CA1972544088
  9. Haleh Agdassi, M.D.Palo Alto, CA1477664159
  10. Reena Agrawal, MDPalo Alto, CA1720257520

Common questions

What is Wanda Chang, M.D.'s NPI number?

Wanda Chang, M.D.'s National Provider Identifier (NPI) is 1336396373, issued on Aug 21, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Wanda Chang, M.D. located?

The NPPES record lists a practice address at 6670 Alton Pkwy, Irvine, CA, 92618. Phone: (949) 932-5398. Providers update this record themselves, so call before visiting.

How can I verify Wanda Chang, M.D.'s license?

NPPES lists California license number A105274, 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 Wanda Chang, M.D. prescribe under Medicare Part D?

In 2024, Wanda Chang, M.D. had 404 Medicare Part D claims for 153 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Built from the named public files by PlainDoctor's data pipeline (how it is made).

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) 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 27, 2026.