NPPES file of Aug 9, 2026

Mark C. Bigley, LCSW

Clinical Social Worker · Athens, TN

Mark C. Bigley, LCSW is a clinical social worker with a practice address in Athens, Tennessee, and NPI 1518297506, issued on Jan 13, 2010. Check the license (Tennessee 5154, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1518297506
Name
Mark C. Bigley
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
5154 TN
Self-reported in NPPES; status is on the state search
Practice location
1805 Ingleside Ave, Athens, TN 37303
Phone
(423) 745-8802
Enumerated
Jan 13, 2010
Record last updated
Jan 13, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(423) 744-7064
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1805 Ingleside Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Aaron Brown, LCSWClinical Social Worker1275971467
  2. Laura Casteel, PHARM.D.Pharmacist1194742197
  3. Carla Dahm, MSN, APN, PMHNP-BCPsychiatric/Mental Health Registered Nurse1457996720
  4. Connie Farmer, LCSWClinical Social Worker1881261477
  5. Romona Hicks, LCSWClinical Social Worker1811078769
  6. Sydney McGuire, PHARMDPharmacist1497548960

Verify Mark C. Bigley in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
    Search for license 5154
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Tennessee license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

The practice group's MIPS final score for 2023 (Medicare payment program): 92.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score79.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Mark C. Bigley among 3,275 clinical social worker records in Tennessee

Mark C. Bigley, LCSW is one of 3,275 clinical social worker records with a practice address in Tennessee. 12% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 38% of them.

  • NPI issued2010 · 38% of these records are older, 59% newer
  • In a Medicare fileYes · 12% of these records are
  • In the CMS Doctors and Clinicians fileNo · 21% of these records are
  • Record last updated2010 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

9 clinical social worker records list a practice address in Athens

They are 9 of the 445 NPPES records with a practice address in Athens, and 3,275 clinical social worker records in Tennessee.

The 8 clinical social worker records with the nearest ZIP codes

  1. Aaron Brown, LCSWAthens, TN 373031275971467
  2. Connie Farmer, LCSWAthens, TN 373031881261477
  3. Betty Fisher, LCSWAthens, TN 373031891754024
  4. Romona Hicks, LCSWAthens, TN 373031811078769
  5. Troy Polikowsky, LICSWAthens, TN 373031013151885
  6. Veliska Thomas, LCSWAthens, TN 373031194925404
  7. Joseph Wilburn, LCSWAthens, TN 373031306887559
  8. Sheila Wilson, LCSWAthens, TN 373031821122359

Common questions

What is Mark C. Bigley, LCSW's NPI number?

Mark C. Bigley, LCSW's National Provider Identifier (NPI) is 1518297506, issued on Jan 13, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Mark C. Bigley, LCSW located?

The NPPES record lists a practice address at 1805 Ingleside Ave, Athens, TN, 37303. Phone: (423) 745-8802. Providers update this record themselves, so call before visiting.

How can I verify Mark C. Bigley, LCSW's license?

NPPES lists Tennessee license number 5154, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

What is Mark C. Bigley, LCSW's MIPS final score?

The 2023 MIPS final score is 92.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.