Mary Katherine Rude, MD
NPI 1376706978ActiveIndividual· Internal Medicine, Gastroenterology· Little Rock, AR
Internal Medicine, Gastroenterology (MD) in Little Rock, Arkansas, trained at University of Virginia School of Medicine (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $97,824 for 731 claims, against $17,355 paid for services in 2024. Madrigal Pharmaceuticals reported $104.86 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1376706978 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 3, 2008 |
| Last updated in NPPES | Jul 30, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | E-9289 | AR |
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 (AR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 128 |
|---|---|
| Services billed | 272 across 22 procedure codes |
| Paid by Medicare | $17,355 |
Part D prescriptions in 2024
| Prescriptions (claims) | 731 · 1,208 30-day fills |
|---|---|
| Patients | 107 |
| Total drug cost | $97,824 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | University of Virginia School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- University of Arkansas for Medical SciencesLittle Rock, AR · 1,175 clinicians
Hospital affiliations
- Baptist Health Medical Center- ConwayConway, AR
- University of Arkansas Medical SciencesLittle Rock, AR
Industry payments (Open Payments)
- 2025$104.86 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $104.86 | 1 |
What the 2025 payments were for
- Food and Beverage$104.86 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 66 gastroenterologists in Little Rock · All gastroenterologists in Arkansas