Columbus Brown, M.D.
NPI 1558321612 · Rheumatology Physician · Little Rock, AR
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Columbus Brown, M.D. is a Rheumatology Physician provider in Little Rock, AR (NPI 1558321612).
Provider details
- NPI number
- 1558321612
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- E2743 (AR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,324 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 395 | $113 |
| Urinalysis for Bacteria81007 | 359 | $29 |
| Testing for Presence of Drug, Read By Direct Observation80305 | 200 | $12 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 95 | $108 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 63 | $80 |
| Administration of Chemotherapy Into Vein, Each Additional Hour96415 | 59 | $24 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 78 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 685 | 169 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 676 | 106 |
| Hydroxychloroquine Sulfate | 669 | 138 |
| Gabapentin | 342 | 61 |
| Tramadol Hcl | 325 | 63 |
| Methotrexate Sodiumbrand: Methotrexate | 310 | 59 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,039 across 107 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-24
- Last updated
- 2025-06-24
- Certified
- 2025-06-24
Frequently asked questions
- What is Columbus Brown's NPI number?
- Columbus Brown's National Provider Identifier (NPI) is 1558321612, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Columbus Brown's specialty?
- Columbus Brown is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Columbus Brown located?
- Columbus Brown's practice location on file with NPPES is 500 S University Ave Ste 815, Little Rock, AR 72205-5310.
- What is Columbus Brown's phone number?
- The practice phone number listed in the NPPES registry for Columbus Brown is (501) 747-1064.
- Does Columbus Brown accept Medicare?
- Columbus Brown is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Columbus Brown's NPI active?
- Yes — Columbus Brown's NPI (1558321612) is active in the NPPES registry as of the last update on 2025-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.