1. Home
  2. Directory
  3. Tennessee
  4. Hermitage
  5. Internal Medicine
  6. NPI Profile

MEDICAL GROUP SUMMIT INC
NPI 1821085259
Internal Medicine in Hermitage, TN

Active since September 30, 2005
3901 CENTRAL PIKE, SUITE 352, HERMITAGE, TN 37076(615) 391-5567(615) 391-5530 Get Directions Write a Review

NPPES record last updated: June 21, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Medical Group Summit Inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MEDICAL GROUP SUMMIT INC (NPI 1821085259) is a healthcare organization registered as an internal medicine in Hermitage, Tennessee and active in the NPI registry since September 2005. The organization lists Gary Duncan, President, as its authorized official.

NPPES Registry Identity

NPI1821085259
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMEDICAL GROUP SUMMIT INC
Location Address3901 CENTRAL PIKE, SUITE 352Hermitage, TN 37076-3419
Mailing Address3901 Central Pike, Suite 352Hermitage, TN 37076-3419 · (615) 882-4000 · Fax (615) 882-4002
Phone(615) 391-5567
Fax(615) 391-5530
Organization SubpartNo
Authorized OfficialGary DuncanPresident · (615) 373-7600
Enumeration DateSeptember 30, 2005
Last NPPES UpdateJune 21, 2011
✔ NPI 1821085259 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
3901 CENTRAL PIKE, Hermitage, TN 37076
Open in Google Maps ↗

Other Identifiers 2

Medicaid3707047TN
Medicare ID-Type Unspecified3707047TN

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Medical Group Summit Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Medical Group Summit Inc, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Amber Reams, NP
Nurse Practitioner
NPI 1790378859
5653 FRIST BLVD STE 239
Hermitage, TN 37076
(615) 231-4288
✔ PECOS✔ Accepts Medicare0.3 mi
Amanda Morehouse Nguyen, MD
General Surgery
NPI 1184887580
121 BEAR XING STE 100
Mount Juliet, TN 37122
(615) 553-1084
✔ PECOS✔ Accepts Medicare8.1 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Medical Group Summit Inc's NPI number?

The NPI number for Medical Group Summit Inc is 1821085259. It was assigned to this organization in the NPPES registry on September 30, 2005.

Where is Medical Group Summit Inc located?

Medical Group Summit Inc is located at 3901 Central Pike Suite 352, Hermitage, TN 37076. The listed phone number is (615) 391-5567.

What is Medical Group Summit Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Medical Group Summit Inc enrolled in Medicare?

Yes. Medical Group Summit Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Medical Group Summit Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Medical Group Summit Inc, in General Surgery and Nurse Practitioner. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Medical Group Summit Inc was last updated on June 21, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.