Registry data as of Aug 27, 2026

John De Roy, D.C.

Chiropractor · San Francisco, CA

John De Roy, D.C. is a chiropractor with a practice address in San Francisco, California, and NPI 1881865418, issued on Mar 24, 2008. Check the license (California 15780, 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
1881865418
Name
John De Roy
Credential
D.C.
Primary taxonomy
Chiropractor 111N00000X
License number
15780 CA
Self-reported in NPPES; status is on the state search
Practice location
120 Hickory St, San Francisco, CA 94102
Phone
(415) 864-7860
Enumerated
Mar 24, 2008
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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Also registered at 120 Hickory St

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

  1. Barbara Iungano, D.C.Chiropractor1689748162

Verify John De Roy 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 15780
    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 →

Chiropractor providers in California

There are 11,498 chiropractor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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 John De Roy, D.C.'s NPI number?

John De Roy, D.C.'s National Provider Identifier (NPI) is 1881865418, issued on Mar 24, 2008. An NPI identifies a provider in billing; it is not a license.

Where is John De Roy, D.C. located?

The NPPES record lists a practice address at 120 Hickory St, San Francisco, CA, 94102. Phone: (415) 864-7860. Providers update this record themselves, so call before visiting.

How can I verify John De Roy, D.C.'s license?

NPPES lists California license number 15780, 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.

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.