Quick answers
- Does A C. Gunnerson accept Medicare assignment?
- Yes. Medicare's clinician data says A C. Gunnerson 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 A C. Gunnerson see?
- In 2024, CMS data shows 669 Original Medicare patients and 986 services for A C. Gunnerson. This counts Original Medicare only and measures volume, not quality.
- What is A C. Gunnerson's NPI number?
- 1407081524. 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 A C. Gunnerson, 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 patients | 669 |
|---|---|
| Services billed to Medicare | 986 |
| Different services or procedures | 35 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)324 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)198 services
- Dilation of esophagus (43450)86 services
- Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43235)73 services
- Biopsy of large bowel using a flexible endoscope (45380)73 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 pressure68%
- Arthritis45%
- Diabetes25%
- Ischemic heart disease24%
- Chronic kidney disease24%
Hospitals where A C. Gunnerson works
Medicare's Facility Affiliation Data lists A C. Gunnerson 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 Cedar City HospitalCedar City, UT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 460007
- St. George Regional HospitalSt George, UT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 460021
Practice locations
Addresses where A C. Gunnerson is enrolled with Medicare (CMS data updated October 2, 2026).
- 1303 N Main StCedar City, UT 84721
- 1380 E Medical Ctr Dr, Suite 1400St George, UT 84790 (435) 251‑2600
- 1380 E Medical Ctr Dr, Suite 4100St George, UT 84790 (435) 251‑2500
- 700 S Hwy 99, Suite 3Fillmore, UT 84631
Group practices
Medicare enrollment lists A C. Gunnerson as a member of this group (CMS data updated October 2, 2026).
- Ihc Health Services Inc3,960 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Utah
Clinicians with the same Medicare primary specialty in Utah — not a recommendation.
Other clinicians in Ihc Health Services Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Nova Southeastern College Of Osteo Medicine |
| Graduation year | 2009 (17 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407081524 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians