Gretchen Evans, MD, MPH
NPI 1184144230ActiveIndividual· Internal Medicine, Gastroenterology· Greeley, CO
Internal Medicine, Gastroenterology (MD, MPH) in Greeley, Colorado, trained at Drexel University College of Medicine (class of 2017). In 2024 Medicare paid $13,283 for 71 patients, and Part D covered 74 of their prescriptions, 59% of them generic. Ovesco Endoscopy USA, Inc. was the largest of 3 companies reporting payments in 2025, $1,240 in all, mostly travel and lodging.
Overview
| NPI | 1184144230 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, MPH |
| Sole proprietor | No |
| NPI issued | Jun 20, 2017 |
| Last updated in NPPES | Jun 18, 2025 |
| Certified by provider | Jun 18, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | DR0073055 | CO |
| Internal Medicine | 207R00000X | 162158005 | MO |
| Internal Medicine, Gastroenterology | 207RG0100X | 186014 | CA |
| Internal Medicine, Gastroenterology | 207RG0100X | 4301501928 | MI |
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 (CA); Practitioner - Gastroenterology (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 71 |
|---|---|
| Services billed | 111 across 33 procedure codes |
| Paid by Medicare | $13,283 |
Part D prescriptions in 2024
| Prescriptions (claims) | 74 · 95 30-day fills |
|---|---|
| Patients | 62 |
| Total drug cost | $7,222 |
| Generic share | 59% of claims |
Education and affiliations
| Medical school | Drexel University College of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Gastroenterology |
Medical groups
- Banner Health Physicians Colorado LLCGreeley, CO · 261 clinicians
- Banner Hospital Based Physicians Colorado LLCLoveland, CO · 75 clinicians
Hospital affiliations
- Banner North Colorado Medical CenterGreeley, CO
- Sterling Regional MedcenterSterling, CO
Industry payments (Open Payments)
- 2025$1,240 · 11 payments from 3 companies
- 2024$1,902 · 17 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ovesco Endoscopy USA, Inc. | $857.37 | 1 |
| Boston Scientific Corporation | $325.32 | 3 |
| Corium, LLC | $57.46 | 7 |
What the 2025 payments were for
- Travel and Lodging$857.37 · 1 payment
- Food and Beverage$382.78 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Gastroenterology providers in Greeley
- 1629295043
- 1669578464
- 1073933941
- 1215198817
- 1033197900
- 1326214727
- 1013113547
- 1285072587
- 1144540477
All Internal Medicine, Gastroenterology providers in Colorado →