NPPES file of Aug 9, 2026

Pediatric Cardiology Physician in California

363 NPPES records list pediatric cardiology physician with a practice address in California, 0.9 per 100,000 residents, the 27th highest rate of 50. Palo Alto and Los Angeles have the most; each record links to the provider's NPI and the California license search. Page 8 of 8.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 2080P0202X · method

Palo Alto has the most, 80

Pediatric Cardiology Physician records in California

  1. Richard Wittner, MDLong Beach, CA 908061902994197
  2. Jeffrey Wong, MDVentura, CA 930031538131966
  3. Pierre Wong, MDLos Angeles, CA 900271629176912
  4. John Wood, MDLos Angeles, CA 900271982707097
  5. Kristina Woodson, MDStockton, CA 952101750469656
  6. Stanley Wright, M.D.Sacramento, CA 958161578555058
  7. Rachel YangPalo Alto, CA 943041427750017
  8. Jay Yeh, M.D.Sacramento, CA 958171467614685
  9. Justin YehSan Diego, CA 921231740445311
  10. Muluneh Yimer, M.D.Sacramento, CA 958161558620047
  11. Guillermo Young, M.D.Los Angeles, CA 900271811917032
  12. Umair Yousufi, M.D.Sacramento, CA 958161134357437
  13. Dayna Zimmerman, M.D.Los Angeles, CA 900481235660036

Source: CMS NPPES, primary taxonomy 2080P0202X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 27 of 50 per resident

  1. Florida1.1
  2. Rhode Island1.0
  3. West Virginia1.0
  4. California0.9
  5. Georgia0.9
  6. North Dakota0.9
  7. 50 states and D.C.1.1

Source: CMS NPPES, primary taxonomy 2080P0202X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

58.7% of these records appear in a Medicare file, against 65.6% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. California58.7%
  2. United States65.6%

Pediatric Cardiology Physician records in California, measured

  • In a Medicare file213 of 363 · 58.7% here, 65.6% nationally
  • In the CMS Doctors and Clinicians file165 · 45.5% here, 52.9% nationally
  • Not updated in five years or more183 · 50.4% here, 47.8% nationally
  • Median graduation year2004 · the 164 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2080P0202X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

363 NPPES records list pediatric cardiology physician (2080P0202X) as their primary taxonomy with a practice address in California: 0.9 per 100,000 residents against 1.1 nationally (50 states and D.C.). Palo Alto has 80 of them (22%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Texas325
  2. New York246
  3. Florida238
  4. Ohio195

States with a similar rate per 100,000

  1. Georgia0.9
  2. West Virginia1.0
  3. Rhode Island1.0
  4. Nebraska0.9

The largest states

  1. Texas325
  2. New York246
  3. Florida238
  4. Ohio195
  5. Pennsylvania178

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record 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.