John Knox Maltby, DC
Chiropractor · Blythe, CA
John Knox Maltby, DC is a chiropractor with a practice address in Blythe, California, and NPI 1417973322, issued on Jul 14, 2006. Check the license (California DC11971, 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
- John Knox Maltby
- Credential
- DC
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- DC11971 CA
Self-reported in NPPES; status is on the state search - Practice location
- 320 E Hobsonway, Blythe, CA 92225
- Phone
- (760) 922-7353
- Enumerated
- Jul 14, 2006
- Record last updated
- Nov 4, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (760) 922-9121
- Medicare enrollment
- Enrolled (PECOS I20111213000401); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 11,498 in California → Look up another NPI →
Verify John Knox Maltby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license DC11971Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Knox Maltby among 11,498 chiropractor records in California
John Knox Maltby, DC 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 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 65% newer
- In a Medicare fileNo · 7% of these records are
- In the CMS Doctors and Clinicians fileYes · 25% of these records are
- Graduated1977 · median 1999 among the 2,907 with a school on file
- Record last updated2008 · 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).
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.
All 11,498 in California → Every provider in Blythe → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Richard Winters, DCBlythe, CA 922251548328982
- Amber Blackford, D.C.Beaumont, CA 922231306874755
- Jason Flores, DCBeaumont, CA 922231073361713
- Jerilynn Kaibel, D.C.Beaumont, CA 922231255369252
- Barbara Lara, DCBeaumont, CA 922231407922040
- Victor Mannis, D.C.Cherry Valley, CA 922231710922943
- Andrew Martino, D.C.Brawley, CA 922271770639098
- Kathryn Nielsen-Wines, D.C.Beaumont, CA 922231063503118
Common questions
What is John Knox Maltby, DC's NPI number?
John Knox Maltby, DC's National Provider Identifier (NPI) is 1417973322, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Knox Maltby, DC located?
The NPPES record lists a practice address at 320 E Hobsonway, Blythe, CA, 92225. Phone: (760) 922-7353. Providers update this record themselves, so call before visiting.
How can I verify John Knox Maltby, DC's license?
NPPES lists California license number DC11971, 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.