NPPES file of Aug 9, 2026

Thomas P. Brien, MD

Anatomic Pathology & Clinical Pathology Physician · Chattanooga, TN

Thomas P. Brien, MD is an anatomic pathology & clinical pathology physician with a practice address in Chattanooga, Tennessee, and NPI 1962461327, issued on Mar 22, 2006. Check the license (Tennessee MD00034141, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1962461327
Name
Thomas P. Brien
Credential
MD
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
MD00034141 TN
Self-reported in NPPES; status is on the state search
Practice location
1651 Gunbarrel RD Ste 102A, Chattanooga, TN 37421
Phone
(423) 468-1543
Enumerated
Mar 22, 2006
Record last updated
Jan 10, 2023
Medicaid ID
3149334 TN
Medicare enrollment
Enrolled (PECOS I20110620000322); accepts Medicare assignment
Medical or professional school
University Of Rochester School Of Medicine And Dentistry, 1992
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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Also registered at 1651 Gunbarrel RD Ste 102A

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

  1. Karyn Prenshaw, M.D.Anatomic Pathology & Clinical Pathology Physician1316286123
  2. Erin Thibault, MDAnatomic Pathology & Clinical Pathology Physician1720291966

Verify Thomas P. Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license MD00034141
    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
Open the Tennessee license search

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The MIPS final score for 2023 (Medicare payment program): 94.7 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score89.4
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $312.59

18 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. The 2,607 providers of this specialty with any payment received $3,565.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thomas Brien$312.59
  2. Specialty average$3,565.00

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Diagnostic Pathology Serv PCChattanooga, TN
  2. Galen Medical Group, PCChattanooga, TN

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

Thomas P. Brien among 475 anatomic pathology & clinical pathology physician records in Tennessee

Thomas P. Brien, MD is one of 475 anatomic pathology & clinical pathology physician records with a practice address in Tennessee. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 47% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated1992 · median 2004 among the 259 with a school on file
  • Record last updated2023 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anatomic Pathology & Clinical Pathology Physician providers in Tennessee

There are 475 anatomic pathology & clinical pathology physician records in Tennessee.

The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes

  1. Karyn Prenshaw, M.D.Chattanooga, TN 374211316286123
  2. Erin Thibault, MDChattanooga, TN 374211720291966
  3. James Metcalfe, MDChattanooga, TN 374061487643045
  4. John Bickel, MDChattanooga, TN 374041184686354
  5. Imelda Bulatao, MDChattanooga, TN 374041114981602
  6. Stephanie David, M.D.Chattanooga, TN 374041356760797
  7. Charles Evans, MDChattanooga, TN 374041710953229
  8. Moon Hong, MDChattanooga, TN 374041912969189

Common questions

What is Thomas P. Brien, MD's NPI number?

Thomas P. Brien, MD's National Provider Identifier (NPI) is 1962461327, issued on Mar 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas P. Brien, MD located?

The NPPES record lists a practice address at 1651 Gunbarrel RD Ste 102A, Chattanooga, TN, 37421. Phone: (423) 468-1543. Providers update this record themselves, so call before visiting.

How can I verify Thomas P. Brien, MD's license?

NPPES lists Tennessee license number MD00034141, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Thomas P. Brien, MD's MIPS final score?

The 2023 MIPS final score is 94.7 of 100. 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.