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

Individual provider Chiropractor · NPI 1003251182

William John Cogan, DC is a Chiropractor in Manhattan Beach, California. Practices as a sole proprietor. Licensed in California and Guam.

Licensed in
CA, GU
In the registry since
2013
Specialties on file
2
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

204 Kelp St
Manhattan Beach, CA 90266-3148
Phone: (310) 498-1230
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 23228 (CA)
Chiropractor Taxonomy 111N00000X · Licence C000021 (GU)

Record details

NPI number1003251182
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorYes
NPI enumeratedMay 2, 2013
Last updated in NPPESMay 2, 2013
Mailing address204 Kelp St, Manhattan Beach, CA 90266-3148

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