NPPES file of Aug 9, 2026

Jimmy Chang, DO

Anesthesiology Physician · Loma Linda, CA

Jimmy Chang, DO is an anesthesiology physician with a practice address in Loma Linda, California, and NPI 1639639735, issued on Mar 23, 2019. Check the license (California 20A20333, 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
1639639735
Name
Jimmy Chang
Credential
DO
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
20A20333 CA
Self-reported in NPPES; status is on the state search
Practice location
11234 Anderson St, Loma Linda, CA 92354
Phone
(909) 558-6202
Enumerated
Mar 23, 2019
Record last updated
May 7, 2024
Medicare enrollment
Enrolled (PECOS I20240326003812); 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 11234 Anderson St

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

  1. Carolyn AbbasiAnesthesiology Physician1811287311
  2. Nour Abdel-Azim, MDStudent in an Organized Health Care Education/Training Program1700671542
  3. Marian Abdelmalek, DOInternal Medicine Physician1285218024
  4. Mostafa Abdulrahim, MDStudent in an Organized Health Care Education/Training Program1285579094
  5. Faiz Abdur-Rahman, MDStudent in an Organized Health Care Education/Training Program1144073768
  6. Marc Abou AssaliStudent in an Organized Health Care Education/Training Program1689317265

Verify Jimmy 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 20A20333
    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

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4% more Medicare Part D claims than the average anesthesiology physician in 2024

420 Medicare Part D claims for 121 beneficiaries, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 98 claims were for opioids.

  1. Jimmy Chang420
  2. Specialty average402

Most prescribed

  1. Gabapentin58 claims
  2. Duloxetine Hcl48 claims
  3. Hydrocodone-Acetaminophen48 claims
  4. Pregabalin48 claims
  5. Baclofen29 claims
  6. Lidocaine24 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.

Industry payments in 2024: $348.90

7 payments; by number, the most common kind was food and beverage; the largest payer was Painteq LLC. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jimmy Chang$348.90
  2. Specialty average$669.59

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

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).

122 anesthesiology physician records list a practice address in Loma Linda

They are 122 of the 4,863 NPPES records with a practice address in Loma Linda, and 7,571 anesthesiology physician records in California.

Other anesthesiology physician records in California

  1. Alison A'Court, MDSan Diego, CA1912218199
  2. Elma Abad-Pelsang, MDDel Mar, CA1689611923
  3. Rolando Abada, M.D.San Diego, CA1952319071
  4. Maher Abadir, MDTurlock, CA1669491718
  5. Jerry Abajian, M.D.Napa, CA1851336218
  6. Carolyn AbbasiLoma Linda, CA1811287311
  7. Christine Abboud, D.O.Walnut Creek, CA1174901508
  8. Steven Abboud, MDPalo Alto, CA1619364908
  9. Therese Abboud, M.D.Coronado, CA1003112913
  10. Mohammed Abdel Rahim, M.B.CH.BNewport Beach, CA1255520854

Common questions

What is Jimmy Chang, DO's NPI number?

Jimmy Chang, DO's National Provider Identifier (NPI) is 1639639735, issued on Mar 23, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Jimmy Chang, DO located?

The NPPES record lists a practice address at 11234 Anderson St, Loma Linda, CA, 92354. Phone: (909) 558-6202. Providers update this record themselves, so call before visiting.

How can I verify Jimmy Chang, DO's license?

NPPES lists California license number 20A20333, 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 Jimmy Chang, DO prescribe under Medicare Part D?

In 2024, Jimmy Chang, DO had 420 Medicare Part D claims for 121 beneficiaries; the average among anesthesiology physician prescribers was 402. 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.