Columbus Brown IV, M.D.
NPI 1558321612ActiveIndividual· Internal Medicine, Rheumatology· Little Rock, AR
Internal Medicine, Rheumatology (M.D.) in Little Rock, Arkansas, trained at University of Arkansas College of Medicine (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $3,160,758 for 6,929 claims, against $405,558 paid for services in 2024. Abbvie Inc. was the largest of 18 companies reporting payments in 2025, $1,736 in all, mostly food and beverage.
Overview
| NPI | 1558321612 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 24, 2006 |
| Last updated in NPPES | Jun 24, 2025 |
| Certified by provider | Jun 24, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | E2743 | 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 - Rheumatology (AR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 173 |
|---|---|
| Services billed | 16,069 across 37 procedure codes |
| Paid by Medicare | $405,558 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,929 · 8,648 30-day fills |
|---|---|
| Patients | 572 |
| Total drug cost | $3,160,758 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Arkansas College of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Rheumatology |
| Secondary specialties | Internal Medicine |
Hospital affiliations
- Baptist Health Medical Center-Little RockLittle Rock, AR
- Chi-St Vincent InfirmaryLittle Rock, AR
- Ozark HealthClinton, AR
Industry payments (Open Payments)
- 2025$1,736 · 89 payments from 18 companies
- 2024$2,039 · 107 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $436.30 | 26 |
| Amgen Inc. | $388.27 | 16 |
| Astrazeneca Pharmaceuticals LP | $170.96 | 9 |
| Mallinckrodt Hospital Products Inc. | $157.21 | 9 |
| Glaxosmithkline, LLC. | $90.93 | 6 |
What the 2025 payments were for
- Food and Beverage$1,736 · 89 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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