Gregory Dunn, MSPT, OCS
NPI 1790873487 · Orthopedic Physical Therapist · Riverhead, NY
Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Dunn, MSPT, OCS is a Orthopedic Physical Therapist provider in Riverhead, NY (NPI 1790873487).
Provider details
- NPI number
- 1790873487
- Entity type
- Individual
- Primary specialty
- Orthopedic Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- MSPT, OCS
- Sex
- Male
- Sole proprietor
- No
- License
- 020148 (NY)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative 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
- 2006-10-10
- Last updated
- 2009-11-03
Frequently asked questions
- What is Gregory Dunn's NPI number?
- Gregory Dunn's National Provider Identifier (NPI) is 1790873487, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Dunn's specialty?
- Gregory Dunn is listed in the NPPES registry with a primary specialty of Orthopedic Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Gregory Dunn located?
- Gregory Dunn's practice location on file with NPPES is 34 Commerce Dr, Riverhead, NY 11901-3118.
- What is Gregory Dunn's phone number?
- The practice phone number listed in the NPPES registry for Gregory Dunn is (631) 727-9654.
- Does Gregory Dunn accept Medicare?
- Gregory Dunn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Dunn's NPI active?
- Yes — Gregory Dunn's NPI (1790873487) is active in the NPPES registry as of the last update on 2009-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.