Catherine Chang, M.D.
Specialist · Newport Beach, CA
Catherine Chang, M.D. is a specialist with a practice address in Newport Beach, California, and NPI 1295766426, issued on Jul 5, 2006. Check the license (California G68516, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine Chang
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- G68516 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1401 Avocado Ave, Newport Beach, CA 92660
- Phone
- (949) 717-6755
- Enumerated
- Jul 5, 2006
- Entity
- Type 1 · individual
Also registered at 1401 Avocado Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Catherine Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license G68516Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2.6 times the Medicare Part D claims of the average specialist in 2024
4,014 Medicare Part D claims for 269 beneficiaries, against an average of 1,524 among the 12,477 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 59 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium254 claims
- Amlodipine Besylate200 claims
- Atorvastatin Calcium145 claims
- Synthroid132 claims
- Escitalopram Oxalate131 claims
- Losartan Potassium115 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 Medicare quality score for 2023: 7.8 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).
Industry payments in 2024: $58.29
3 payments, mostly food and beverage; the largest payer was Ethicon US, LLC. The 9,482 providers of this specialty with any payment received $4,756.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
63 specialist records list a Newport Beach practice address
They are 63 of the 4,414 NPPES records with a Newport Beach practice address, and 6,640 specialist records in California.
All 63 in Newport Beach → All 6,640 in California → Every provider in Newport Beach →
Other specialist records in California
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- Erlinda Abcede, M.D.Cudahy, CA1831228675
- Maher Abdallah, M.D.Palm Springs, CA1205988011
- Basim Abdelkarim, MDUpland, CA1932217544
- Farinaz AbdiSan Marcos, CA1063153963
- Mai Abe, LESanta Monica, CA1609405158
- Hamid Abedi, HEARING AID SPECIALISan Diego, CA1659410744
- Mehrad Abedi, M.D.Sacramento, CA1467459222
Common questions
What is Catherine Chang, M.D.'s NPI number?
Catherine Chang, M.D.'s National Provider Identifier (NPI) is 1295766426, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Chang, M.D. located?
The NPPES record lists a practice address at 1401 Avocado Ave, Newport Beach, CA, 92660. Phone: (949) 717-6755. Providers update this record themselves, so call before visiting.
How can I verify Catherine Chang, M.D.'s license?
NPPES lists California license number G68516, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine Chang, M.D. prescribe under Medicare Part D?
In 2024, Catherine Chang, M.D. had 4,014 Medicare Part D claims for 269 beneficiaries; the average among specialist prescribers was 1,524. Part D covers Medicare prescriptions only.
What is Catherine Chang, M.D.'s Medicare quality score?
The 2023 MIPS final score is 7.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.