Brent James Prosser, M.D.
NPI 1063579555ActiveIndividual· Internal Medicine, Gastroenterology· Grand Junction, CO
Internal Medicine, Gastroenterology (M.D.) in Grand Junction, Colorado, trained at University of Colorado School of Medicine, Denver (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $1,146,803 for 986 claims, against $134,507 paid for services in 2024. Janssen Biotech, Inc. was the largest of 8 companies reporting payments in 2025, $485.97 in all, mostly food and beverage.
Overview
| NPI | 1063579555 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 3, 2007 |
| Last updated in NPPES | Aug 24, 2026 |
| Certified by provider | Aug 24, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 45350 | CO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 673 |
|---|---|
| Services billed | 1,053 across 41 procedure codes |
| Paid by Medicare | $134,507 |
Part D prescriptions in 2024
| Prescriptions (claims) | 986 · 2,485 30-day fills |
|---|---|
| Patients | 295 |
| Total drug cost | $1,146,803 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Colorado School of Medicine, Denver |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Gastroenterology |
Medical group
- Grand Junction Gastroenterology PLLCGrand Junction, CO · 11 clinicians
Hospital affiliations
- Community HospitalGrand Junction, CO
- Intermountain Health St. Mary's Regional HospitalGrand Junction, CO
Industry payments (Open Payments)
- 2025$485.97 · 22 payments from 8 companies
- 2024$578.50 · 19 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $161.48 | 3 |
| Abbvie Inc. | $143.79 | 9 |
| Ipsen Biopharmaceuticals, Inc | $82.84 | 4 |
| Pfizer Inc. | $28.54 | 2 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $19.85 | 1 |
What the 2025 payments were for
- Food and Beverage$485.97 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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