Gregory Duncan, PH.D.
NPI 1750382388 · Clinical Neuropsychologist · Greenville, NC
Gregory Duncan, PH.D. is a Clinical Neuropsychologist provider in Greenville, NC (NPI 1750382388).
Provider details
- NPI number
- 1750382388
- Entity type
- Individual
- Primary specialty
- Clinical NeuropsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 798 (NC)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
20 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
- 2005-08-04
- Last updated
- 2012-02-28
Frequently asked questions
- What is Gregory Duncan's NPI number?
- Gregory Duncan's National Provider Identifier (NPI) is 1750382388, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Duncan's specialty?
- Gregory Duncan is listed in the NPPES registry with a primary specialty of Clinical Neuropsychologist (Behavioral Health & Social Service Providers).
- Where is Gregory Duncan located?
- Gregory Duncan's practice location on file with NPPES is 905 Johns Hopkins Drive, Greenville, NC 27834-7225.
- What is Gregory Duncan's phone number?
- The practice phone number listed in the NPPES registry for Gregory Duncan is (252) 744-1406.
- Is Gregory Duncan's NPI active?
- Yes — Gregory Duncan's NPI (1750382388) is active in the NPPES registry as of the last update on 2012-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.