Doctor profile · Federal record

Dr. Brent Prosser, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Grand Junction, CO

  • NPI 1063579555
  • Accepts Medicare
  • MIPS 99.5 / 100 · 2023
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1035 Wellington Ave
Grand Junction, CO 815018122
(970) 242-6600
fax (970) 241-8443

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
December 30, 2014
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Colorado #45350
Medicaid
CO #35129549

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063579555. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,122
Distinct HCPCS
10
Medicare allowed
$162,985
HCPCS Description Services Patients Avg allowed
45380 Biopsy of large bowel using a flexible endoscope 288 288 $122
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 193 193 $253
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 153 150 $72
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope 118 115 $138
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 68 68 $182
99214 Established patient office or other outpatient visit, 30-39 minutes 56 52 $131
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 43 33 $120
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 36 35 $106
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 34 23 $67
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 33 33 $182

In context: peer comparison

Among 6 peers in Grand Junction Gastroenterology Physician, average services per provider: 53. This provider delivers 21× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$555
Transactions
18
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Phathom Pharmaceuticals, INC. 3 $163.93
Takeda Pharmaceuticals U.S.A., INC. 2 $99.69
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 4 $85.68
Ardelyx, INC. 2 $59.39
Janssen Biotech, INC. 2 $58.72
Abbvie INC. 3 $48.95
Ferring Pharmaceuticals INC. 1 $21.88
Intercept Pharmaceuticals, INC. 1 $16.41

By nature of payment

Food and Beverage
$555

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
876
Patients
233
Total drug cost
$1,474,376
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 539 192 $11,592
Omeprazole Generic 80 27 $1,927
Stelara (Ustekinumab) Brand 45 0 $1,253,594
Famotidine Generic 38 14 $438
Azathioprine Generic 29 0 $1,196
Dexlansoprazole Dr (Dexlansoprazole) Brand 27 0 $13,201
Xifaxan (Rifaximin) Brand 27 0 $86,324
Esomeprazole Magnesium Generic 15 0 $533
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 14 0 $847
Budesonide Dr (Budesonide) Brand 13 0 $3,779

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Brent Prosser's medical specialty?
Dr. Brent Prosser practices Gastroenterology Physician in Grand Junction, CO.
Where does Dr. Brent Prosser practice?
Dr. Brent Prosser practices at 1035 Wellington Ave, Grand Junction, CO 815018122. Office phone: 9702426600.
What is Dr. Brent Prosser's NPI?
Dr. Brent Prosser's National Provider Identifier (NPI) is 1063579555, issued by NPPES.
Does Dr. Brent Prosser accept Medicare assignment?
Yes. Dr. Brent Prosser accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brent Prosser commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); 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). Source: CMS Medicare Physician & Other Practitioners file.