Mark Bigley, LCSW
NPI 1518297506 · Clinical Social Worker · Athens, TN
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Bigley, LCSW is a Clinical Social Worker provider in Athens, TN (NPI 1518297506).
Provider details
- NPI number
- 1518297506
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 5154 (TN)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
- 2010-01-13
- Last updated
- 2010-01-13
Frequently asked questions
- What is Mark Bigley's NPI number?
- Mark Bigley's National Provider Identifier (NPI) is 1518297506, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Bigley's specialty?
- Mark Bigley is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark Bigley located?
- Mark Bigley's practice location on file with NPPES is 1805 Ingleside Ave, Athens, TN 37303-2105.
- What is Mark Bigley's phone number?
- The practice phone number listed in the NPPES registry for Mark Bigley is (423) 745-8802.
- Does Mark Bigley accept Medicare?
- Mark Bigley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Bigley's NPI active?
- Yes — Mark Bigley's NPI (1518297506) is active in the NPPES registry as of the last update on 2010-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.