Gregory Sonnenfeld, ATC
NPI 1679500110 · Athletic Trainer · Alcoa, TN
Gregory Sonnenfeld, ATC is a Athletic Trainer provider in Alcoa, TN (NPI 1679500110).
Provider details
- NPI number
- 1679500110
- Entity type
- Individual
- Primary specialty
- Athletic TrainerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- ATC
- Sex
- Male
- Sole proprietor
- No
- License
- 762 (TN)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
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
- 2006-06-28
- Last updated
- 2008-02-06
Frequently asked questions
- What is Gregory Sonnenfeld's NPI number?
- Gregory Sonnenfeld's National Provider Identifier (NPI) is 1679500110, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Sonnenfeld's specialty?
- Gregory Sonnenfeld is listed in the NPPES registry with a primary specialty of Athletic Trainer (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Gregory Sonnenfeld located?
- Gregory Sonnenfeld's practice location on file with NPPES is 220 Associates Blvd, Alcoa, TN 37701-1943.
- What is Gregory Sonnenfeld's phone number?
- The practice phone number listed in the NPPES registry for Gregory Sonnenfeld is (865) 980-7140.
- Is Gregory Sonnenfeld's NPI active?
- Yes — Gregory Sonnenfeld's NPI (1679500110) is active in the NPPES registry as of the last update on 2008-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.