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Rheumatology

Columbus Brown Iv, MD

Works at hospitals in Little Rock, AR · Clinton, AR · Arkansas

Summary

Dr. Columbus Brown Iv, MD is a rheumatologist at 500 S University Ave, Suite 815, Little Rock, AR 72205. Phone: (501) 747-1064. Accepts Medicare assignment. In 2024, Columbus Brown Iv had 173 Original Medicare patients and 16,069 services. NPI 1558321612. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Columbus Brown Iv, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Columbus Brown Iv accept Medicare assignment?
Yes. Medicare's clinician data says Columbus Brown Iv accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Columbus Brown Iv see?
In 2024, CMS data shows 173 Original Medicare patients and 16,069 services for Columbus Brown Iv. This counts Original Medicare only and measures volume, not quality.
What is Columbus Brown Iv's NPI number?
1558321612. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Columbus Brown Iv, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients173
Services billed to Medicare16,069
Different services or procedures37
Participating Medicare providerYes
Average age of these patients66

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)395 services
  2. Urinalysis for bacteria (81007)359 services
  3. Testing for presence of drug, read by direct observation (80305)200 services
  4. Infusion, normal saline solution, 250 cc (J7050)96 services
  5. Administration of chemotherapy into vein, 1 hour or less (96413)95 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • Arthritis75%
  • High cholesterol59%
  • Anxiety29%
  • Diabetes28%
  • Depression27%

Hospitals where Columbus Brown Iv works

Medicare's Facility Affiliation Data lists Columbus Brown Iv at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Columbus Brown Iv is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Rheumatology doctors in Arkansas →

Other rheumatologists in Little Rock

Clinicians with the same Medicare primary specialty in Little Rock, AR — not a recommendation.

All rheumatologists in Little Rock →

Clinician information

CredentialMD
Medical schoolUniversity Of Arkansas College Of Medicine
Graduation year1998 (28 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1558321612
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians