John R. Montgomery, MD

Medicare activity in 2024

Official CMS public-use data for John R. Montgomery, 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.

Most frequent services

1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)47 services
2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)15 services
3. Transplantation of donor kidney (50360)14 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%
• Chronic kidney disease75%
• High cholesterol69%
• Diabetes60%
• Ischemic heart disease51%
• Heart failure38%

Hospitals where John R. Montgomery works

Medicare's Facility Affiliation Data lists John R. Montgomery 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.

• University of Arkansas Medical SciencesLittle Rock, AR · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 040016

Practice locations

Addresses where John R. Montgomery is enrolled with Medicare (CMS data updated October 2, 2026).

• 1 Childrens Way, 653 Childrens UniversityLittle Rock, AR 72202 (501) 364‑1100
• 4301 W Markam StLittle Rock, AR 72205 (501) 686‑8000

Group practices

Medicare enrollment lists John R. Montgomery as a member of this group (CMS data updated October 2, 2026).

• University of Arkansas for Medical Sciences1,175 clinicians in the group

Specialties

• General Surgeryprimary

Find other General Surgery doctors in Arkansas →

Other general surgeons in Little Rock

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

• Kyle J. Kalkwarf, MD
• Kurtis S. Vinsant, MD
• Juan C. Barreto Andrade, MD
• Lyle J. Burdine, MD
• Andrea Fa, MD
• Lexie H. Vaughn, MD
• Richard M. Yeager, MD
• Tsukasa Nakamura, MD

All general surgeons in Little Rock →

Other clinicians in University of Arkansas for Medical Sciences

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Mark Feger, MD
• Ashley S. Bean, MD
• Rachael N. Smith, NP
• Charles L. Barnes, MD
• Brian L. Hohertz, MD
• Vivek Yadala, MD

Clinician information

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