William Folley, D.O.
NPI 1538223326 · Specialist · Knoxville, TN
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Folley, D.O. is a Specialist provider in Knoxville, TN (NPI 1538223326).
Provider details
- NPI number
- 1538223326
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 1747 (TN)
Specialties & taxonomies
Other 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
- 2006-12-19
- Last updated
- 2007-07-09
Frequently asked questions
- What is William Folley's NPI number?
- William Folley's National Provider Identifier (NPI) is 1538223326, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Folley's specialty?
- William Folley is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is William Folley located?
- William Folley's practice location on file with NPPES is 211 E Blount Ave, Knoxville, TN 37920-1614.
- What is William Folley's phone number?
- The practice phone number listed in the NPPES registry for William Folley is (865) 525-9414.
- Does William Folley accept Medicare?
- William Folley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Folley's NPI active?
- Yes — William Folley's NPI (1538223326) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.