IndividualActive
William Martin
NPI 1386701571 · Mental Health Counselor · Greenfield, MA
William Martin is a Mental Health Counselor provider in Greenfield, MA (NPI 1386701571).
Provider details
- NPI number
- 1386701571
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(83/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
215 Shelburne Rd
Greenfield, MA 01301-9622
Phone: (413) 774-1000
Fax: (413) 774-1197
Street-level locationGet directions
Mailing address
1954 Main St
Athol, MA 01331-3420
Registry dates
- Enumerated
- 2007-01-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Martin's NPI number?
- William Martin's National Provider Identifier (NPI) is 1386701571, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Martin's specialty?
- William Martin is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is William Martin located?
- William Martin's practice location on file with NPPES is 215 Shelburne Rd, Greenfield, MA 01301-9622.
- What is William Martin's phone number?
- The practice phone number listed in the NPPES registry for William Martin is (413) 774-1000.
- Is William Martin's NPI active?
- Yes — William Martin's NPI (1386701571) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.