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

Dr. Ryan James Hallmark, DC

Individual provider Chiropractor · NPI 1548495567

Dr. Ryan James Hallmark, DC is a Chiropractor in Pleasant Hill, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2009
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

1924 Oak Park Blvd Ste B
Pleasant Hill, CA 94523-4647
Phone: (925) 350-1667
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 25449 (CA)

Record details

NPI number1548495567
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorYes
NPI enumeratedMay 19, 2009
Last updated in NPPESDecember 21, 2024
Certification dateDecember 21, 2024
Mailing address1924 Oak Park Blvd Ste B, Pleasant Hill, CA 94523-4647

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