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

Stephen V Sum Jr., DC

Individual provider Chiropractor · NPI 1912055195

Stephen V Sum Jr., DC is a Chiropractic in Castro Valley, California. Graduated from Life Chiropractic College - West in 1987, 39 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
39
Trained at
Life Chiropractic College - West
Licensed in
CA
In the registry since
2007
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

20406 Redwood Rd D
Castro Valley, CA 94546-4317
Phone: (510) 538-1111
Fax: (510) 538-1040
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 18971 (CA)

Record details

NPI number1912055195
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorYes
NPI enumeratedJanuary 6, 2007
Last updated in NPPESOctober 23, 2015
Mailing address15520 Rockfield Blvd A200, Irvine, CA 92618-6705

Medicare enrollment

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

Medicare specialtyCHIROPRACTIC
Medical schoolLIFE CHIROPRACTIC COLLEGE - WEST
Graduated 1987 (39 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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