William Warner Jacobson, D.C.
Chiropractor · Pasadena, CA
William Warner Jacobson, D.C. is a chiropractor with a practice address in Pasadena, California, and NPI 1578559795, issued on Sep 22, 2005. Check the license (California DC17560, 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.
- Name
- William Warner Jacobson
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- DC17560 CA
Self-reported in NPPES; status is on the state search - Practice location
- 446 N Craig Ave, Pasadena, CA 91107
- Phone
- (626) 793-1633
- Enumerated
- Sep 22, 2005
- Record last updated
- Aug 21, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 11,498 in California → Look up another NPI →
Also registered at 446 N Craig Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Warner Jacobson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license DC17560Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William Warner Jacobson among 11,498 chiropractor records in California
William Warner Jacobson, D.C. is one of 11,498 chiropractor records with a practice address in California. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 97% newer
- In a Medicare fileNo · 7% of these records are
- In the CMS Doctors and Clinicians fileNo · 25% of these records are
- Record last updated2012 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
101 chiropractor records list a practice address in Pasadena
They are 101 of the 10,525 NPPES records with a practice address in Pasadena, and 11,498 chiropractor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 11,498 in California → Every provider in Pasadena → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Fateh Badr, D.C.Pasadena, CA 911071740491729
- John Cullen, DCPasadena, CA 911071790831998
- Gloria Cullen, DCPasadena, CA 911071417003617
- Arbi Derian, D.C.Pasadena, CA 911071144415266
- Michael Hubka, D.C.Pasadena, CA 911071184602773
- Raffi Iknadossian, D.C.Pasadena, CA 911071942216171
- Jerome Kershaw, DCPasadena, CA 911071730191834
- Michael Miller, D.C.Pasadena, CA 911071366574717
Common questions
What is William Warner Jacobson, D.C.'s NPI number?
William Warner Jacobson, D.C.'s National Provider Identifier (NPI) is 1578559795, issued on Sep 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Warner Jacobson, D.C. located?
The NPPES record lists a practice address at 446 N Craig Ave, Pasadena, CA, 91107. Phone: (626) 793-1633. Providers update this record themselves, so call before visiting.
How can I verify William Warner Jacobson, D.C.'s license?
NPPES lists California license number DC17560, 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), file of Aug 9, 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 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.