Gregory Grandison, LICSW
NPI 1134347479 · Clinical Social Worker · Greenfield, MA
Gregory Grandison, LICSW is a Clinical Social Worker provider in Greenfield, MA (NPI 1134347479).
Provider details
- NPI number
- 1134347479
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Male
- Sole proprietor
- No
- License
- 106911 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
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
100% 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
Mailing address
Registry dates
- Enumerated
- 2007-04-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gregory Grandison's NPI number?
- Gregory Grandison's National Provider Identifier (NPI) is 1134347479, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Grandison's specialty?
- Gregory Grandison is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Gregory Grandison located?
- Gregory Grandison's practice location on file with NPPES is 140 High St, Greenfield, MA 01301-2702.
- What is Gregory Grandison's phone number?
- The practice phone number listed in the NPPES registry for Gregory Grandison is (413) 774-1782.
- Is Gregory Grandison's NPI active?
- Yes — Gregory Grandison's NPI (1134347479) 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.