NPPES file of Aug 9, 2026

Orthopedic Chiropractor in California

160 NPPES records list orthopedic chiropractor with a practice address in California, 0.4 per 100,000 residents, the 14th highest rate of 50. San Diego and Los Angeles have the most; each record links to the provider's NPI and the California license search. Page 4 of 4.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 111NX0800X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

San Diego has the most, 10

  1. San Diego10
  2. Los Angeles7
  3. San Francisco6
  4. Glendale5
  5. Sacramento4

Orthopedic Chiropractor records in California

  1. Gary Weckbacher, D.C.Montrose, CA 910201487685574
  2. David WedemeyerCosta Mesa, CA 926271801814181
  3. Chris Wendell, D.C.Tustin, CA 927801235123266
  4. Eric Wennerholm, D.C., M.S.Eureka, CA 955011477576379
  5. Robert White, D.C., D.A.B.C.O.Santa Paula, CA 930601780758201
  6. Calvin Wong, DCSan Francisco, CA 941081992914188
  7. Wayne Wundram, D.C.Visalia, CA 932911518037704
  8. Anthony Young, D.C.Temecula, CA 925911255410866
  9. Emily Zeinal, DCSebastopol, CA 954721295062842
  10. Peter Ziegler, D.CLos Angeles, CA 900351326089418

Source: CMS NPPES, primary taxonomy 111NX0800X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 14 of 50 per resident

  1. Illinois0.5
  2. South Dakota0.4
  3. Massachusetts0.4
  4. California0.4
  5. Washington0.4
  6. Idaho0.4
  7. 50 states and D.C.0.3

Source: CMS NPPES, primary taxonomy 111NX0800X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

5.6% of these records appear in a Medicare file, against 9.4% 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. California5.6%
  2. United States9.4%

Orthopedic Chiropractor records in California, measured

  • In a Medicare file9 of 160 · 5.6% here, 9.4% nationally
  • In the CMS Doctors and Clinicians file28 · 17.5% here, 32.4% nationally
  • Not updated in five years or more133 · 83.1% here, 81.2% nationally
  • Median graduation year1983 · the 28 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 111NX0800X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

160 NPPES records list orthopedic chiropractor (111NX0800X) as their primary taxonomy with a practice address in California: 0.4 per 100,000 residents against 0.3 nationally (50 states and D.C.). San Diego has 10 of them (6%).

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. New York65
  2. Illinois60
  3. Texas43
  4. Florida42

States with a similar rate per 100,000

  1. Washington0.4
  2. Massachusetts0.4
  3. Wisconsin0.4
  4. Colorado0.5

The largest states

  1. New York65
  2. Illinois60
  3. Texas43
  4. Florida42
  5. Pennsylvania41

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.