Quick answers
- Which hospitals does Aaron M. O'Brien work at?
- Medicare's official clinician data lists Aaron M. O'Brien at 2 hospitals: Intermountain Health Cedar City Hospital and St. George Regional Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Aaron M. O'Brien see patients?
- Medicare's clinician data lists 4 practice locations, including Provo, UT, St George, UT and Mesquite, NV. Call before your visit to confirm the address.
- What is Aaron M. O'Brien's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Aaron M. O'Brien accept Medicare assignment?
- Yes. Medicare's clinician data says Aaron M. O'Brien accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Aaron M. O'Brien?
- (435) 673-6131, as listed in official Medicare / NPI Registry data.
- What is Aaron M. O'Brien's NPI number?
- 1114155074. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Aaron M. O'Brien works
Medicare's Facility Affiliation Data lists Aaron M. O'Brien at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Intermountain Health Cedar City HospitalCedar City, UT · Acute Care Hospital · CCN 460007
- St. George Regional HospitalSt George, UT · Acute Care Hospital · CCN 460021
Practice locations
Addresses where Aaron M. O'Brien is enrolled with Medicare (CMS data updated 2026-10-02).
- 1055 N 500Provo, UT 84604
- 1055 N 500, Att CredentialingProvo, UT 84604
- 2825 E Mall DrSt George, UT 84790 (435) 673‑6131
- 330 Falcon Ridge Pkwy, Suite 400aMesquite, NV 89027 (435) 628‑9393
Group practices
Medicare enrollment lists Aaron M. O'Brien as a member of this group (CMS data updated 2026-10-02).
- Revere Health PC410 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Provo
Clinicians with the same Medicare primary specialty in Provo, UT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Iowa, Rj & L Carver College Of Medicine |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1114155074 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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