Gary Duncan, MD
NPI 1992803845 · Neurological Surgery Physician · Nashville, TN
Gary Duncan, MD is a Neurological Surgery Physician provider in Nashville, TN (NPI 1992803845).
Provider details
- NPI number
- 1992803845
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD6104 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-09-21
- Last updated
- 2008-10-21
Frequently asked questions
- What is Gary Duncan's NPI number?
- Gary Duncan's National Provider Identifier (NPI) is 1992803845, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Duncan's specialty?
- Gary Duncan is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Duncan located?
- Gary Duncan's practice location on file with NPPES is 1301 22nd Ave N, Nashville, TN 37232-0028.
- What is Gary Duncan's phone number?
- The practice phone number listed in the NPPES registry for Gary Duncan is (615) 936-0060.
- Is Gary Duncan's NPI active?
- Yes — Gary Duncan's NPI (1992803845) is active in the NPPES registry as of the last update on 2008-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.