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

Dr. Dennis Joseph Barker, DC

Individual provider Chiropractor · NPI 1477640209

Dr. Dennis Joseph Barker, DC is a Chiropractic in Walnut Creek, California. Graduated from Los Angeles College of Chiropractic in 1990, 36 years ago. Practices as a sole proprietor. Licensed in California.

Years since qualifying
36
Trained at
Los Angeles College of Chiropractic
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

1866 Tice Valley Blvd
Walnut Creek, CA 94595-2224
Phone: (925) 210-8000
Fax: (925) 935-0960
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 21640 (CA)

Record details

NPI number1477640209
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorYes
NPI enumeratedOctober 5, 2006
Last updated in NPPESSeptember 6, 2023

Medicare enrollment

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

Medicare specialtyCHIROPRACTIC
Medical schoolLOS ANGELES COLLEGE OF CHIROPRACTIC
Graduated 1990 (36 years in practice)
Accepts Medicare assignment Not indicated

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