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

Mark Westley McGregor

Individual provider Clinical Social Worker · NPI 1881845386

Mark Westley McGregor is a Clinical Social Worker in Colusa, California. Practices as a sole proprietor. Registered with an NPI since 2008.

In the registry since
2008

Practice location Address checks out

162 E Carson St
Colusa, CA 95932-2866
Phone: (530) 458-0520
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X

Record details

NPI number1881845386
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedOctober 2, 2008
Last updated in NPPESMarch 16, 2017
Mailing address162 E Carson St, Colusa, CA 95932-2866

Other providers in Colusa