Kenneth J Chang, MD
Gastroenterology Physician · Newport Beach, CA
Kenneth J Chang, MD is a gastroenterology physician with a practice address in Newport Beach, California, and NPI 1518047604, issued on Oct 16, 2006. Check the license (California 000000G61843, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kenneth J Chang
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 000000G61843 CA
Self-reported in NPPES; status is on the state search - Practice location
- 500 Superior Ave Ste 240, Newport Beach, CA 92663
- Phone
- (949) 764-8959
- Enumerated
- Oct 16, 2006
- Record last updated
- May 7, 2026
- Medicare enrollment
- Enrolled (PECOS I20100918000192); accepts Medicare assignment
- Medical or professional school
- Warren Alpert Medical School Of Brown University, 1985
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Verify Kenneth J Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 000000G61843Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average gastroenterology physician in 2024
18 Medicare Part D claims, against an average of 811 among the 16,445 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): 100 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: $222,676.44
58 payments; by number, the most common kind was food and beverage; the largest payer was Wilson Cook Medical Incorporated. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Bills Medicare through one group practice
- Hoag ClinicNewport Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kenneth J Chang among 2,140 gastroenterology physician records in California
Kenneth J Chang, MD is one of 2,140 gastroenterology physician records with a practice address in California. 83% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1985 · median 2002 among the 1,538 with a school on file
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Newport Beach → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Donald Abrahm, M.D.Newport Beach, CA 926631215022405
- Parminder Dhaliwal, MDNewport Beach, CA 926631811913759
- Ravi Kankotia, M.D.Newport Beach, CA 926631275996613
- Paul Korc, MD, INC.Newport Beach, CA 926631922243161
- Christopher Lee, MDNewport Beach, CA 926631629257035
- Glenn Madokoro, M.D.Newport Beach, CA 926631639255060
- Homeira Mehrabian, MDNewport Beach, CA 926631699972844
- Phuong Nguyen, M.D.Newport Beach, CA 926631801838750
Common questions
What is Kenneth J Chang, MD's NPI number?
Kenneth J Chang, MD's National Provider Identifier (NPI) is 1518047604, issued on Oct 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth J Chang, MD located?
The NPPES record lists a practice address at 500 Superior Ave Ste 240, Newport Beach, CA, 92663. Phone: (949) 764-8959. Providers update this record themselves, so call before visiting.
How can I verify Kenneth J Chang, MD's license?
NPPES lists California license number 000000G61843, 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 Kenneth J Chang, MD prescribe under Medicare Part D?
In 2024, Kenneth J Chang, MD had 18 Medicare Part D claims; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Kenneth J Chang, MD's MIPS final score?
The 2023 MIPS final score is 100 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.