Michael Grinnell
NPI 1083082614 · Clinical Social Worker · Jamaica Plain, MA
Michael Grinnell is a Clinical Social Worker provider in Jamaica Plain, MA (NPI 1083082614).
Provider details
- NPI number
- 1083082614
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- S40690186 (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
10 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
- 2015-09-14
- Last updated
- 2015-09-14
Frequently asked questions
- What is Michael Grinnell's NPI number?
- Michael Grinnell's National Provider Identifier (NPI) is 1083082614, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Grinnell's specialty?
- Michael Grinnell is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Michael Grinnell located?
- Michael Grinnell's practice location on file with NPPES is 555 Amory St, Jamaica Plain, MA 02130-2652.
- What is Michael Grinnell's phone number?
- The practice phone number listed in the NPPES registry for Michael Grinnell is (617) 522-0901.
- Is Michael Grinnell's NPI active?
- Yes — Michael Grinnell's NPI (1083082614) is active in the NPPES registry as of the last update on 2015-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.