Nicholas Grigorieff
NPI 1558408740 · Orthotic Fitter · Concord, MA
Nicholas Grigorieff is a Orthotic Fitter provider in Concord, MA (NPI 1558408740).
Provider details
- NPI number
- 1558408740
- Entity type
- Individual
- Primary specialty
- Orthotic FitterRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- NOT APPLICABLE
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Other 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
- 2007-01-30
- Last updated
- 2007-10-25
Frequently asked questions
- What is Nicholas Grigorieff's NPI number?
- Nicholas Grigorieff's National Provider Identifier (NPI) is 1558408740, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Grigorieff's specialty?
- Nicholas Grigorieff is listed in the NPPES registry with a primary specialty of Orthotic Fitter (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Nicholas Grigorieff located?
- Nicholas Grigorieff's practice location on file with NPPES is 801 Main St, Concord, MA 01742-3313.
- What is Nicholas Grigorieff's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Grigorieff is (978) 371-1684.
- Is Nicholas Grigorieff's NPI active?
- Yes — Nicholas Grigorieff's NPI (1558408740) is active in the NPPES registry as of the last update on 2007-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.