Gary J. Chang, M.D.
Pain Medicine (Anesthesiology) Physician · Monterey, CA
Gary J. Chang, M.D. is a pain medicine (anesthesiology) physician with a practice address in Monterey, California, and NPI 1366411548, issued on Mar 17, 2006. Check the license (California G48331, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gary J. Chang
- Credential
- M.D.
- Primary taxonomy
- Pain Medicine (Anesthesiology) Physician 207LP2900X
- License number
- G48331 CA
Self-reported in NPPES; status is on the state search - Practice location
- 12 Upper Ragsdale Dr, Monterey, CA 93940
- Phone
- (831) 648-7200
- Enumerated
- Mar 17, 2006
- Record last updated
- Feb 12, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (831) 648-7204
- Entity
- Type 1 · individual
Also registered at 12 Upper Ragsdale Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jesse Bernstein, MDPain Medicine (Physical Medicine & Rehabilitation) Physician1992068159
- Sarah Cerami, DPTPhysical Therapist1063245777
- Connor Cole, PA-CPhysician Assistant1841687274
- David Crandall, DOOrthopaedic Surgery Physician1932551660
- Dragan Dimitrov, M.D.Neurological Surgery Physician1447290861
- Randall Farac, MDSports Medicine (Orthopaedic Surgery) Physician1457455602
Verify Gary J. Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G48331Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average pain medicine (anesthesiology) physician in 2024
11 Medicare Part D claims, against an average of 1,750 among the 2,982 providers of this specialty who prescribed in Part D.
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 MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Pain Medicine (Anesthesiology) Physician providers in California
There are 536 pain medicine (anesthesiology) physician records in California.
Other pain medicine (anesthesiology) physician records in California
- Shahram Abbassi, MDArcata, CA1396774139
- Alireza Abdollahi-FardFresno, CA1205161932
- Chris Abrecht, M.D.San Francisco, CA1013283837
- Deepak Agarwal, D.O M.P.H.Santa Barbara, CA1417342981
- Rishi Agarwal, M.D.Pasadena, CA1659634798
- Anuj Aggarwal, MDStanford, CA1659703288
- Charles Aguilar, M.D.Sacramento, CA1215331426
- Ricardo Aguirre, M.D.San Pedro, CA1831298389
- Farshad Ahadian, M.D.La Jolla, CA1205854247
- Patrick Ahern, MDIrvine, CA1154883072
Common questions
What is Gary J. Chang, M.D.'s NPI number?
Gary J. Chang, M.D.'s National Provider Identifier (NPI) is 1366411548, issued on Mar 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary J. Chang, M.D. located?
The NPPES record lists a practice address at 12 Upper Ragsdale Dr, Monterey, CA, 93940. Phone: (831) 648-7200. Providers update this record themselves, so call before visiting.
How can I verify Gary J. Chang, M.D.'s license?
NPPES lists California license number G48331, 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 Gary J. Chang, M.D. prescribe under Medicare Part D?
In 2024, Gary J. Chang, M.D. had 11 Medicare Part D claims; the average among pain medicine (anesthesiology) physician prescribers was 1,750. Part D covers Medicare prescriptions only.
What is Gary J. Chang, M.D.'s MIPS final score?
The 2023 MIPS final score is 0 of 100. 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.