Registry data as of Aug 27, 2026

David Zirkel, DC

Chiropractor · Sunnyvale, CA

David Zirkel, DC is a chiropractor with a practice address in Sunnyvale, California, and NPI 1427126721, issued on Dec 4, 2006. Check the license (California DC 20051, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1427126721
Name
David Zirkel
Credential
DC
Primary taxonomy
Chiropractor 111N00000X
License number
DC 20051 CA
Self-reported in NPPES; status is on the state search
Practice location
519 S Murphy Ave, Sunnyvale, CA 94086
Phone
(408) 736-5590
Enumerated
Dec 4, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify David Zirkel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license DC 20051    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
Find 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

66 chiropractor records list a practice address in Sunnyvale

They are 66 of the 1,690 NPPES records with a practice address in Sunnyvale, and 11,498 chiropractor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 66 in Sunnyvale → All 11,498 in California → Every provider in Sunnyvale →

Other chiropractor records in California

  1. Karl Aamot, D.C.Sunnyvale, CA1629296983
  2. Beth Aarhus, D.C.San Jose, CA1508832221
  3. Michael Aaron, D.C.Belmont, CA1679630735
  4. Thao AaronCorona, CA1821553926
  5. Marianne Abate-Beavers, DCRocklin, CA1124139431
  6. Dilojan Abayaratna, D.C.Los Angeles, CA1659312957
  7. Jordan Abbass, DCLong Beach, CA1275106528
  8. David Abblett, DCNapa, CA1275529398
  9. Bridget Abbott, DCDanville, CA1790508547
  10. Nicholas Abboud, DCMoreno Valley, CA1851134365

Common questions

What is David Zirkel, DC's NPI number?

David Zirkel, DC's National Provider Identifier (NPI) is 1427126721, issued on Dec 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David Zirkel, DC located?

The NPPES record lists a practice address at 519 S Murphy Ave, Sunnyvale, CA, 94086. Phone: (408) 736-5590. Providers update this record themselves, so call before visiting.

How can I verify David Zirkel, DC's license?

NPPES lists California license number DC 20051, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Built from the named public files by PlainDoctor's data pipeline (how it is made).

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) 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 27, 2026.