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

Dr. Gerardo Duenas Contreras, DC

Individual provider Chiropractor · NPI 1659441962

Dr. Gerardo Duenas Contreras, DC is a Chiropractic in Livermore, California. Graduated from Life Chiropractic College - West in 2002, 24 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
24
Trained at
Life Chiropractic College - West
Licensed in
CA
In the registry since
2006
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

4200 E Ave Ste B
Livermore, CA 94550-4945
Phone: (925) 606-5490
Fax: (925) 606-6012
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence DC28469 (CA)

Record details

NPI number1659441962
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorYes
NPI enumeratedNovember 8, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyCHIROPRACTIC
Medical schoolLIFE CHIROPRACTIC COLLEGE - WEST
Graduated 2002 (24 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Livermore