Medical Group Summit Inc
NPI 1821085259 · Internal Medicine Physician · Hermitage, TN
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Medical Group Summit Inc is a Internal Medicine Physician organization in Hermitage, TN (NPI 1821085259).
Provider details
- NPI number
- 1821085259
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Gary Duncan, President(615) 373-7600
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
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
- 2005-09-30
- Last updated
- 2011-06-21
Frequently asked questions
- What is Medical Group Summit Inc's NPI number?
- Medical Group Summit Inc's National Provider Identifier (NPI) is 1821085259, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Medical Group Summit Inc?
- Medical Group Summit Inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Medical Group Summit Inc located?
- Medical Group Summit Inc's practice location on file with NPPES is 3901 Central Pike, Hermitage, TN 37076-3419.
- What is Medical Group Summit Inc's phone number?
- The practice phone number listed in the NPPES registry for Medical Group Summit Inc is (615) 391-5567.
- Does Medical Group Summit Inc accept Medicare?
- Medical Group Summit Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Medical Group Summit Inc?
- The authorized official listed on Medical Group Summit Inc's NPPES record is Gary Duncan, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Medical Group Summit Inc's NPI active?
- Yes — Medical Group Summit Inc's NPI (1821085259) is active in the NPPES registry as of the last update on 2011-06-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.