Doctor profile · Federal record

Dr. Thomas Brien, MD

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Chattanooga, TN

  • NPI 1962461327
  • Accepts Medicare
  • MIPS 94.7 / 100 · 2023
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1651 Gunbarrel RD Ste 102A
Chattanooga, TN 374213289
(423) 468-1543
Mailing address
4976 Alpha Ln
Hixson, TN 373435470

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
January 10, 2023
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
Tennessee #MD00034141
Medicaid
TN #3149334

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1962461327. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,092
Distinct HCPCS
10
Medicare allowed
$255,272
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 4,378 1,545 $41
88305 Pathology examination of tissue using a microscope, intermediate complexity 834 352 $35
88313 Special stained specimen slides to examine tissue including interpretation and report 252 37 $41
88342 Special stained specimen slides to examine tissue, initial procedure 133 98 $49
88341 Special stained specimen slides to examine tissue, each additional procedure 91 16 $55
88341 Special stained specimen slides to examine tissue, each additional procedure 85 25 $27
88307 Pathology examination of tissue using a microscope, moderately high complexity 65 36 $168
88342 Special stained specimen slides to examine tissue, initial procedure 51 46 $33
88307 Pathology examination of tissue using a microscope, moderately high complexity 42 32 $76
88331 Pathology examination of specimen during surgery, first tissue block 40 26 $58

In context: peer comparison

Among 7 peers in this city , average services per provider: 260. This provider delivers 23× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$313
Transactions
18
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Salix Pharmaceuticals, a division of Bausch Health US, LLC 7 $107.87
Regeneron Healthcare Solutions, Inc. 3 $60.01
Takeda Pharmaceuticals U.S.A., Inc. 4 $59.92
Ardelyx, Inc. 2 $38.42
AIMMUNE THERAPEUTICS, INC. 1 $28.00
Madrigal Pharmaceuticals 1 $18.37

By nature of payment

Food and Beverage
$313

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Brien's medical specialty?
Dr. Thomas Brien practices Anatomic Pathology & Clinical Pathology Physician in Chattanooga, TN.
Where does Dr. Thomas Brien practice?
Dr. Thomas Brien practices at 1651 Gunbarrel RD Ste 102A, Chattanooga, TN 374213289. Office phone: 4234681543.
What is Dr. Thomas Brien's NPI?
Dr. Thomas Brien's National Provider Identifier (NPI) is 1962461327, issued by NPPES.
Does Dr. Thomas Brien accept Medicare assignment?
Yes. Dr. Thomas Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Brien commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue including interpretation and report (HCPCS 88313). Source: CMS Medicare Physician & Other Practitioners file.