Doctor profile · Federal record

Dr. Thomas Dewar, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Fort Worth, TX

  • NPI 1811988587
  • Accepts Medicare
  • MIPS 79.9 / 100 · 2023
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6317 Harris Pkwy, Ste. 300
Fort Worth, TX 761324256
(812) 361-6900
fax (817) 522-1968
Mailing address
Po Box 35629
Dallas, TX 752350629

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
November 6, 2017
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Texas #H2337
Medicaid
TX #114961903

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811988587. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,034
Distinct HCPCS
10
Medicare allowed
$134,956
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 112 112 $243
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 111 109 $62
45380 Biopsy of large bowel using a flexible endoscope 109 109 $140
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 87 87 $177
99202 New patient office or other outpatient visit, 15-29 minutes 86 86 $71
99204 New patient office or other outpatient visit, 45-59 minutes 72 72 $162
99214 Established patient office or other outpatient visit, 30-39 minutes 72 72 $126
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope 69 66 $112
99443 Telephone medical discussion with physician, 21-30 minutes 54 54 $126
99213 Established patient office or other outpatient visit, 20-29 minutes 52 49 $89

In context: peer comparison

Among 23 peers in this city , average services per provider: 72. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,766
Transactions
78
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 21 $468.81
Celgene Corporation 3 $170.38
Janssen Biotech, Inc. 10 $162.67
Lilly USA, LLC 8 $132.68
Salix Pharmaceuticals, a division of Bausch Health US, LLC 8 $131.64
Takeda Pharmaceuticals U.S.A., Inc. 6 $111.77
IRONWOOD PHARMACEUTICALS, INC 4 $72.25
GENZYME CORPORATION 2 $59.97
QOL Medical, LLC 2 $56.15
PFIZER INC. 3 $54.57
AIMMUNE THERAPEUTICS, INC. 3 $51.35
Phathom Pharmaceuticals, Inc. 3 $42.04
Intercept Pharmaceuticals, Inc. 2 $33.76
Merck Sharp & Dohme LLC 2 $32.83
Janssen Scientific Affairs, LLC 1 $32.37

By nature of payment

Food and Beverage
$1,766

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
972
Patients
562
Total drug cost
$252,377
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 283 281 $973
Sutab (Sod Sulf/Pot Chloride/Mag Sulf) Brand 166 164 $27,642
Pantoprazole Sodium Generic 82 25 $1,963
Esomeprazole Magnesium Generic 79 19 $3,300
Linzess (Linaclotide) Brand 52 11 $35,444
Colesevelam Hcl Generic 50 15 $15,396
Dicyclomine Hcl Generic 35 19 $717
Omeprazole Generic 35 0 $553
Ursodiol Generic 35 0 $9,745
Mesalamine Generic 34 0 $34,325

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Dewar's medical specialty?
Dr. Thomas Dewar practices Gastroenterology Physician in Fort Worth, TX.
Where does Dr. Thomas Dewar practice?
Dr. Thomas Dewar practices at 6317 Harris Pkwy, Fort Worth, TX 761324256. Office phone: 8123616900.
What is Dr. Thomas Dewar's NPI?
Dr. Thomas Dewar's National Provider Identifier (NPI) is 1811988587, issued by NPPES.
Does Dr. Thomas Dewar accept Medicare assignment?
Yes. Dr. Thomas Dewar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Dewar commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.