Craig Gruskowski, DMD
NPI 1053332106 · Dentist · Littleton, MA
Enrolled with Medicare as Order and Referring Only - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Craig Gruskowski, DMD is a Dentist provider in Littleton, MA (NPI 1053332106).
Provider details
- NPI number
- 1053332106
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- DMD
- Sex
- Male
- Sole proprietor
- No
- License
- 16874 (MA)
Specialties & taxonomies
Dental 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
- 2006-07-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Craig Gruskowski's NPI number?
- Craig Gruskowski's National Provider Identifier (NPI) is 1053332106, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Craig Gruskowski's specialty?
- Craig Gruskowski is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is Craig Gruskowski located?
- Craig Gruskowski's practice location on file with NPPES is 336 King St, Littleton, MA 01460-1253.
- What is Craig Gruskowski's phone number?
- The practice phone number listed in the NPPES registry for Craig Gruskowski is (978) 486-4226.
- Does Craig Gruskowski accept Medicare?
- Craig Gruskowski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Craig Gruskowski's NPI active?
- Yes — Craig Gruskowski's NPI (1053332106) 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.