NPPES file of Aug 9, 2026

Christopher Chang, MD

Anesthesiology Physician · Irvine, CA

Christopher Chang, MD is an anesthesiology physician with a practice address in Irvine, California, and NPI 1881632750, issued on Jun 3, 2006. Check the license (California G75772, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1881632750
Name
Christopher Chang
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
G75772 CA
Self-reported in NPPES; status is on the state search
Practice location
3500 Barranca Pkwy Ste 130, Irvine, CA 92606
Phone
(949) 552-6266
Enumerated
Jun 3, 2006
Record last updated
Apr 29, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(949) 552-5038
Medicaid ID
00G757720 CA
Medicare enrollment
Enrolled (PECOS I20040721001062); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 1991
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 3500 Barranca Pkwy Ste 130

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

  1. Kenneth Johnson, M.D.Anesthesiology Physician1851404263
  2. Joseph Mollner, MDAnesthesiology Physician1326032145

Verify Christopher 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 G75772
    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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Bills Medicare through one group practice

  1. Allied Anesthesia Medical Group IncOrange, CA

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

Christopher Chang among 7,571 anesthesiology physician records in California

Christopher Chang, MD is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 53% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1991 · median 2006 among the 4,868 with a school on file
  • Record last updated2019 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiology Physician providers in California

There are 7,571 anesthesiology physician records in California.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Kenneth Johnson, M.D.Irvine, CA 926061851404263
  2. Joseph Mollner, MDIrvine, CA 926061326032145
  3. Martin Dolan, M.D.Irvine, CA 926041205915733
  4. Jungbong Kim, M.D.Irvine, CA 926031255429510
  5. Husam Alsamman, M.D., F.C.C.P.Irvine, CA 926021932344058
  6. Hieu Le, M.D.Foothill Ranch, CA 926101851396790
  7. Jon Nguyen, M.D.Irvine, CA 926021780605113
  8. Neil Shah, M.D.Irvine, CA 926121952609570

Common questions

What is Christopher Chang, MD's NPI number?

Christopher Chang, MD's National Provider Identifier (NPI) is 1881632750, issued on Jun 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Chang, MD located?

The NPPES record lists a practice address at 3500 Barranca Pkwy Ste 130, Irvine, CA, 92606. Phone: (949) 552-6266. Providers update this record themselves, so call before visiting.

How can I verify Christopher Chang, MD's license?

NPPES lists California license number G75772, 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.

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.