Darien S. Nelson, MD

Medicare activity in 2024

Official CMS public-use data for Darien S. Nelson, 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 50 minutes (99233)209 services
2. Hospital discharge day management, more than 30 minutes (99239)127 services
3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)76 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)41 services
5. Critical care, first 30-74 minutes (99291)39 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%
• High cholesterol74%
• Arthritis54%
• Chronic kidney disease53%
• Depression48%
• Diabetes47%

Hospitals where Darien S. Nelson works

Medicare's Facility Affiliation Data lists Darien S. Nelson 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.

• Ogden Regional Medical CenterOgden, UT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 460005

Practice locations

Addresses where Darien S. Nelson is enrolled with Medicare (CMS data updated October 2, 2026).

• 1200 E 3900Salt Lake City, UT 84124 (801) 783‑5011

Group practices

Medicare enrollment lists Darien S. Nelson as a member of this group (CMS data updated October 2, 2026).

• Utah Regional Hospitalists LLC119 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Utah →

Other internal medicine doctors in Salt Lake City

Clinicians with the same Medicare primary specialty in Salt Lake City, UT — not a recommendation.

• Alison K. Schlisman, MD
• Anne C. Cioletti, MD
• Danielle Delucchi, MD
• Juliana Simonetti, MD
• Matthew N. Lamont, MD
• William Daines, MD
• Robert B. Bourne, MD
• Thomas N. George, MD

All internal medicine doctors in Salt Lake City →

Other clinicians in Utah Regional Hospitalists LLC

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

• Kenneth J. Gunderson, NP
• Mark McDowell, MD
• Sarah Hoffer, PA
• Daniel Farnsworth, DO
• Ali T. Al-Sarray, MD
• Ryan Englis, NP

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