Christopher Brent Keller, DO
NPI 1598820268ActiveIndividual· Internal Medicine, Gastroenterology· Cape Girardeau, MO
Internal Medicine, Gastroenterology (DO) in Cape Girardeau, Missouri, trained at University of Pikeville, Kentucky College of Osteopathic Med (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $254,274 for 1,073 claims, against $131,680 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 3 companies reporting payments in 2025, $225.42 in all, mostly food and beverage.
Overview
| NPI | 1598820268 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Dec 23, 2006 |
| Last updated in NPPES | Aug 14, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 2012008250 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 723 |
|---|---|
| Services billed | 1,408 across 42 procedure codes |
| Paid by Medicare | $131,680 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,073 · 1,513 30-day fills |
|---|---|
| Patients | 466 |
| Total drug cost | $254,274 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | University of Pikeville, Kentucky College of Osteopathic Med |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Gastroenterology |
Medical group
- Southeast Missouri Hospital Physicians LLCCape Girardeau, MO · 209 clinicians
Hospital affiliations
- Mercy Hospital SoutheastCape Girardeau, MO
- Mercy Hospital StoddardDexter, MO
- Saint Francis Medical CenterCape Girardeau, MO
Industry payments (Open Payments)
- 2025$225.42 · 7 payments from 3 companies
- 2024$174.15 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $117.35 | 1 |
| Abbvie Inc. | $85.19 | 5 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $22.88 | 1 |
What the 2025 payments were for
- Food and Beverage$225.42 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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