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

William B Martin

Individual provider Mental Health Counselor · NPI 1386701571

William B Martin is a Mental Health Counselor in Greenfield, Massachusetts. Registered with an NPI since 2007.

In the registry since
2007

Practice location Address checks out

215 Shelburne Rd
Greenfield, MA 01301-9622
Phone: (413) 774-1000
Fax: (413) 774-1197
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1386701571
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJanuary 3, 2007
Last updated in NPPESJuly 8, 2007
Mailing address1954 Main St, Athol, MA 01331-3420

Other providers in Greenfield