Nathan A. Merriman, MD

Medicare activity in 2024

Official CMS public-use data for Nathan A. Merriman, 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. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)41 services
2. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)28 services
3. Study of esophagus to assess movement (91010)27 services
4. Monitoring and recording of esophageal function through nasal tube with electrode (91037)25 services
5. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)23 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 cholesterol70%
• High blood pressure69%
• Arthritis44%
• Diabetes38%
• Depression36%
• Ischemic heart disease31%

Hospitals where Nathan A. Merriman works

Medicare's Facility Affiliation Data lists Nathan A. Merriman 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.

• Intermountain Health Riverton HospitalRiverton, UT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 460058
• Intermountain Health Sevier Valley HospitalRichfield, UT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 460026
• Intermountain Medical CenterMurray, UT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 460010

Practice locations

Addresses where Nathan A. Merriman is enrolled with Medicare (CMS data updated October 2, 2026).

• 5169 S Cottonwood St, Suite 610Murray, UT 84107 (801) 507‑3630

Group practices

Medicare enrollment lists Nathan A. Merriman as a member of this group (CMS data updated October 2, 2026).

• Ihc Health Services Inc3,960 clinicians in the group

Specialties

• Gastroenterologyprimary

Find other Gastroenterology doctors in Utah →

Other gastroenterologists in Murray

Clinicians with the same Medicare primary specialty in Murray, UT — not a recommendation.

• Gordon E. Harmston, MD
• Edward J. Frech, MD
• Priyanka Patel, MD
• Bill Quach, MD
• Sandeep Singh, MD
• Scott Stern, DO
• Ruthvik K. Padival, MD

All gastroenterologists in Murray →

Other clinicians in Ihc Health Services Inc

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

• Sarah Stern, MD
• Douglas L. Packer, MD
• Bradley M. Prestwich, MD
• Shulun Zang, MD
• Lindsay H. Wilson, MD
• Alissa Kauffman, 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