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

Mr. William John Martin III

Individual provider Mental Health Counselor · NPI 1457699159

Mr. William John Martin III is a Mental Health Counselor in Concord, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2013

Practice location Address checks out

2118 Willow Pass Rd Ste 500
Concord, CA 94520-2408
Phone: (925) 692-0090
Fax: (925) 692-0091
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 71814 (CA)

Record details

NPI number1457699159
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedJanuary 30, 2013
Last updated in NPPESFebruary 4, 2013

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