Derrick L. Richardson, MD
NPI 1992727150ActiveIndividual· Internal Medicine, Gastroenterology· Fort Smith, AR
Internal Medicine, Gastroenterology (MD) in Fort Smith, Arkansas, trained at University of Arkansas College of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $395,307 for 2,504 claims, against $144,685 paid for services in 2024. Gilead Sciences, Inc. was the largest of 13 companies reporting payments in 2025, $1,177 in all, mostly food and beverage.
Overview
| NPI | 1992727150 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 24, 2006 |
| Last updated in NPPES | Sep 1, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | C-8460 | AR |
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 (AR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 821 |
|---|---|
| Services billed | 1,368 across 43 procedure codes |
| Paid by Medicare | $144,685 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,504 · 2,968 30-day fills |
|---|---|
| Patients | 963 |
| Total drug cost | $395,307 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | University of Arkansas College of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Gastroenterology |
Medical group
- Mercy Clinic Fort Smith CommunitiesFort Smith, AR · 372 clinicians
Hospital affiliations
- Baptist Health - Fort SmithFort Smith, AR
- Mercy Hospital Fort SmithFort Smith, AR
- Mercy Hospital OzarkOzark, AR
Industry payments (Open Payments)
- 2025$1,177 · 67 payments from 13 companies
- 2024$956.84 · 60 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $290.48 | 13 |
| Abbvie Inc. | $263.31 | 24 |
| Genzyme Corporation | $142.37 | 7 |
| Takeda Pharmaceuticals U.S.A., Inc. | $127.28 | 6 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $74.78 | 4 |
What the 2025 payments were for
- Food and Beverage$1,177 · 67 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Gastroenterology providers in Arkansas →