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

Dr. William L Nelson, DC

Individual provider Chiropractor · NPI 1366581621

Dr. William L Nelson, DC is a Chiropractic in Diamond Bar, California. Graduated from Los Angeles College of Chiropractic in 1990, 36 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
36
Trained at
Los Angeles College of Chiropractic
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

516 N Diamond Bar Blvd Ste A
Diamond Bar, CA 91765-1056
Phone: (909) 860-1301
Fax: (909) 860-1330
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence DC 21597 (CA)

Record details

NPI number1366581621
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorYes
NPI enumeratedFebruary 5, 2007
Last updated in NPPESSeptember 7, 2023
Certification dateSeptember 7, 2023
Mailing address516 N Diamond Bar Blvd Ste A, Diamond Bar, CA 91765-1056

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 Yes — accepts the Medicare-approved amount

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