NPPES file of Aug 9, 2026

Thomas Langer, LCSW

Clinical Social Worker · Knoxville, TN

Thomas Langer, LCSW is a clinical social worker with a practice address in Knoxville, Tennessee, and NPI 1588368047, issued on Mar 29, 2023. Check the license (Tennessee 10119, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1588368047
Name
Thomas Langer
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
10119 TN
Self-reported in NPPES; status is on the state search
Practice location
10025 Investment Dr Ste 100, Knoxville, TN 37932
Phone
(865) 588-3173
Enumerated
Mar 29, 2023
Record last updated
Feb 12, 2026
Medicare enrollment
Enrolled (PECOS I20260409001208); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest clinical social worker records → All 3,275 in Tennessee → Look up another NPI →

Also registered at 10025 Investment Dr Ste 100

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

  1. Julie Barrett, LMSWClinical Social Worker1144926114
  2. Jessica Brady, LPC-MHSPMental Health Counselor1407033921
  3. Kaylan Cooper, LMSWSocial Worker1851890610
  4. Dottie Cornett, LPC/MHSPProfessional Counselor1427281344
  5. Todd Hollibush, PMHNPPsychiatric/Mental Health Nurse Practitioner1780184168
  6. Brittney Irion, LPC/MHSP TEMPProfessional Counselor1003625849

Verify Thomas Langer 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 10119    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.

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Bills Medicare through one group practice

  1. Healthy Mind Counseling Services, IncKnoxville, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Thomas Langer among 3,275 clinical social worker records in Tennessee

Thomas Langer, 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 2023, is newer than 84% of them.

  • NPI issued2023 · 84% of these records are older, 11% newer
  • In a Medicare fileYes · 12% of these records are
  • In the CMS Doctors and Clinicians fileYes · 21% of these records are
  • Graduated2023 · median 2010 among the 677 with a school on file
  • Record last updated2026 · 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).

447 clinical social worker records list a practice address in Knoxville

They are 447 of the 14,339 NPPES records with a practice address in Knoxville, and 3,275 clinical social worker records in Tennessee.

All 3,275 in Tennessee → Every provider in Knoxville → Clinical Social Worker nationwide →

The 8 clinical social worker records with the nearest ZIP codes

  1. Julie Barrett, LMSWKnoxville, TN 379321144926114
  2. Caroline Bryant, LMSWKnoxville, TN 379321366979825
  3. Katherine CullenKnoxville, TN 379321093231573
  4. Linn Davidson, LCSW # 5629Knoxville, TN 379321538433537
  5. Bonnie Hilton, LCSWKnoxville, TN 379321447681135
  6. Jennifer Kuhn, LCSWKnoxville, TN 379321225600315
  7. Gloria Lee, LCSWKnoxville, TN 379321780200048
  8. Zachary Martin, LCSWKnoxville, TN 379321467988980

Common questions

What is Thomas Langer, LCSW's NPI number?

Thomas Langer, LCSW's National Provider Identifier (NPI) is 1588368047, issued on Mar 29, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Langer, LCSW located?

The NPPES record lists a practice address at 10025 Investment Dr Ste 100, Knoxville, TN, 37932. Phone: (865) 588-3173. Providers update this record themselves, so call before visiting.

How can I verify Thomas Langer, LCSW's license?

NPPES lists Tennessee license number 10119, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.