Quick answers
- Which hospitals does Aaron B. Fowler work at?
- Medicare's official clinician data lists Aaron B. Fowler at 4 hospitals: Intermountain Health St Vincent Regional Hospital, Providence Mission Hospital, Providence St Peter Hospital and Providence St. Joseph Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Aaron B. Fowler see patients?
- Medicare's clinician data lists 3 practice locations, including Orange, CA, Billings, MT and Olympia, WA. Call before your visit to confirm the address.
- What is Aaron B. Fowler's specialty?
- Medicare lists Cardiac Surgery as the primary specialty.
- Does Aaron B. Fowler accept Medicare assignment?
- Yes. Medicare's clinician data says Aaron B. Fowler 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 B. Fowler?
- (714) 997-2224, as listed in official Medicare / NPI Registry data.
- What is Aaron B. Fowler's NPI number?
- 1346582053. 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 B. Fowler works
Medicare's Facility Affiliation Data lists Aaron B. Fowler at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Intermountain Health St Vincent Regional HospitalBillings, MT · Acute Care Hospital · CCN 270049
- Providence Mission HospitalMission Viejo, CA · Acute Care Hospital · CCN 050567
- Providence St Peter HospitalOlympia, WA · Acute Care Hospital · CCN 500024
- Providence St. Joseph HospitalOrange, CA · Acute Care Hospital · CCN 050069
Practice locations
Addresses where Aaron B. Fowler is enrolled with Medicare (CMS data updated 2026-10-02).
- 1310 W Stewart Dr, Suite 503Orange, CA 92868 (714) 997‑2224
- 2900 12th Ave N, Suite 400eBillings, MT 59101 (406) 237‑5770
- 525 Lilly Rd NE, Suite 200Olympia, WA 98506 (360) 493‑4510
Group practices
Medicare enrollment lists Aaron B. Fowler as a member of these groups (CMS data updated 2026-10-02).
- Providence Health and Services Washington475 clinicians in the group
- SCL Health Medical Group - Billings LLC297 clinicians in the group
- Orange County Thoracic and Cardiovascular Surgeons a Med Corp10 clinicians in the group
Specialties
- Cardiac Surgeryprimary
Other cardiac surgeons in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Utah School Of Medicine |
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346582053 |
| 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