NPPES file of Aug 9, 2026

Catherine Kyonga Chang, MD

Vascular Surgery Physician · San Diego, CA

Catherine Kyonga Chang, MD is a vascular surgery physician with a practice address in San Diego, California, and NPI 1750410262, issued on Mar 2, 2007. Check the license (California A79317, 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
1750410262
Name
Catherine Kyonga Chang
Credential
MD
Primary taxonomy
Vascular Surgery Physician 2086S0129X
License numbers
A79317 CA
ME107331 FL
Self-reported in NPPES; status is on the state search
Practice location
4647 Zion Ave, San Diego, CA 92120
Phone
(619) 528-7931
Enumerated
Mar 2, 2007
Record last updated
Dec 2, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(319) 528-3777
Medicaid ID
0024500400 FL
Medicare enrollment
Enrolled (PECOS I20151109002376); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 2000
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.
Download card Updates feed

Also registered at 4647 Zion Ave

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

  1. Samy Abdou, MDNeurological Surgery Physician1215085006
  2. Samvel Abelyan, PHARMDPharmacist1306629928
  3. Ali Aboutaleb, MDFamily Medicine Physician1821261405
  4. Patricia Achilly, CNMAdvanced Practice Midwife1932257847
  5. Linda Adams, PAPhysician Assistant1427174689
  6. Mette-Margrethe Adkisson, M.D.Emergency Medicine Physician1528288081

Verify Catherine Kyonga 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 A79317
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

22% fewer Medicare Part D claims than the average vascular surgery physician in 2024

157 Medicare Part D claims for 71 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Catherine Chang157
  2. Specialty average201

Most prescribed

  1. Cilostazol40 claims
  2. Clopidogrel33 claims
  3. Rosuvastatin Calcium18 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: $301.94

4 payments; by number, the most common kind was food and beverage; the largest payer was W. L. Gore & Associates, Inc. The 4,059 providers of this specialty with any payment received $6,178.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Catherine Chang$301.94
  2. Specialty average$6,178.00

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 GroupSan Diego, CA

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

Catherine Kyonga Chang among 580 vascular surgery physician records in California

Catherine Kyonga Chang, MD is one of 580 vascular surgery physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.

  • NPI issued2007 · 46% of these records are older, 40% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2000 · median 2003 among the 411 with a school on file
  • Record last updated2021 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Vascular Surgery Physician providers in California

There are 580 vascular surgery physician records in California.

The 8 vascular surgery physician records with the nearest ZIP codes

  1. Timothy Canty Jr., MDSan Diego, CA 921201912055971
  2. Kelley Hodgkiss-Harlow, M.D.San Diego, CA 921201164684056
  3. Robert Mc Ginn, MDSan Diego, CA 921201265591929
  4. Edward Plecha, M.D.San Diego, CA 921201669417598
  5. Tom Alsaigh, M.D.San Diego, CA 921211275980666
  6. Curtis Horton, M.D.San Diego, CA 921231184619892
  7. Elena Rakhlin, M.D.San Diego, CA 921231821290180
  8. Nathanial Fernandez, MDSan Diego, CA 921341538212196

Common questions

What is Catherine Kyonga Chang, MD's NPI number?

Catherine Kyonga Chang, MD's National Provider Identifier (NPI) is 1750410262, issued on Mar 2, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Kyonga Chang, MD located?

The NPPES record lists a practice address at 4647 Zion Ave, San Diego, CA, 92120. Phone: (619) 528-7931. Providers update this record themselves, so call before visiting.

How can I verify Catherine Kyonga Chang, MD's license?

NPPES lists California license number A79317, 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 Catherine Kyonga Chang, MD prescribe under Medicare Part D?

In 2024, Catherine Kyonga Chang, MD had 157 Medicare Part D claims for 71 beneficiaries; the average among vascular surgery physician prescribers was 201. 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.