Gregg Willis, MD
NPI 1336171511 · Obstetrics & Gynecology Physician · Kingsport, TN
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregg Willis, MD is a Obstetrics & Gynecology Physician provider in Kingsport, TN (NPI 1336171511).
Provider details
- NPI number
- 1336171511
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 77232 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
3 documented practice locations
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
Additional practice locations (2)
- 1525 Chattanooga RdDalton, GA 30720-8379Phone: (706) 226-3373Fax: (706) 226-0845
- 935 Spring Creek Rd Ste 100Chattanooga, TN 37412-3994Phone: (423) 206-2655
Registry dates
- Enumerated
- 2006-07-07
- Last updated
- 2024-03-27
- Certified
- 2024-03-27
Frequently asked questions
- What is Gregg Willis's NPI number?
- Gregg Willis's National Provider Identifier (NPI) is 1336171511, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregg Willis's specialty?
- Gregg Willis is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregg Willis located?
- Gregg Willis's practice location on file with NPPES is 105 W Park Dr, Kingsport, TN 37660-3805.
- What is Gregg Willis's phone number?
- The practice phone number listed in the NPPES registry for Gregg Willis is (423) 224-3220.
- Does Gregg Willis accept Medicare?
- Gregg Willis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregg Willis's NPI active?
- Yes — Gregg Willis's NPI (1336171511) is active in the NPPES registry as of the last update on 2024-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.