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

Gregory S Siegel, DC

Individual provider Chiropractor · NPI 1801800297

Gregory S Siegel, DC is a Chiropractic in Whittier, California. Qualified in 1983, 43 years ago. Accepts Medicare assignment. Licensed in California.

Years since qualifying
43
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

12640 E Whittier Blvd
Whittier, CA 90602
Phone: (562) 945-2305
Fax: (562) 698-1057
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 15681 (CA)

Record details

NPI number1801800297
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorNo
NPI enumeratedJuly 28, 2006
Last updated in NPPESJune 18, 2008

Medicare enrollment

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

Medicare specialtyCHIROPRACTIC
Medical schoolOTHER
Graduated 1983 (43 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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