IndividualActive
John Griggs, M.D.
NPI 1649352246 · Legal Medicine · Springfield, MA
Provider details
- NPI number
- 1649352246
- Entity type
- Individual
- Primary specialty
- Legal MedicineOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 47626 (MA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(90/100 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
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
299 Carew St
Suite 434
Springfield, MA 01104-2301
Phone: (413) 737-2981
Fax: (413) 737-1366
Street-level locationGet directions
Mailing address
299 Carew St
Springfield, MA 01104-2301
Registry dates
- Enumerated
- 2006-10-20
- Last updated
- 2007-07-09
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.