Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. James Douglas Gustin, DC

Individual provider Chiropractor · NPI 1720157241

Dr. James Douglas Gustin, DC is a Chiropractic in Glendora, California. Graduated from Cleveland Chiropractic College - Los Angeles in 1981, 45 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
45
Trained at
Cleveland Chiropractic College - Los Angeles
Licensed in
CA
In the registry since
2006
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

359 W Route 66
Glendora, CA 91740-4307
Phone: (626) 914-7662
Fax: (626) 914-0332
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 18430 (CA)

Record details

NPI number1720157241
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorYes
NPI enumeratedNovember 7, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCHIROPRACTIC
Medical schoolCLEVELAND CHIROPRACTIC COLLEGE - LOS ANGELES
Graduated 1981 (45 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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