Quick answers
- Which hospitals does Louis A. Roser work at?
- Medicare's official clinician data lists Louis A. Roser at 2 hospitals: Saint Alphonsus Medical Center - Nampa and Saint Alphonsus Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Louis A. Roser see patients?
- Medicare's clinician data lists 2 practice locations, including Meridian, ID and Boise, ID. Call before your visit to confirm the address.
- What is Louis A. Roser's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Louis A. Roser accept Medicare assignment?
- Yes. Medicare's clinician data says Louis A. Roser 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 Louis A. Roser?
- (208) 302-5200, as listed in official Medicare / NPI Registry data.
- What is Louis A. Roser's NPI number?
- 1497715866. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Louis A. Roser works
Medicare's Facility Affiliation Data lists Louis A. Roser at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Saint Alphonsus Medical Center - NampaNampa, ID · Acute Care Hospital · CCN 130013
- Saint Alphonsus Regional Medical CenterBoise, ID · Acute Care Hospital · CCN 130007
Practice locations
Addresses where Louis A. Roser is enrolled with Medicare (CMS data updated 2026-10-02).
- 3025 W Cherry LnMeridian, ID 83642
- 6533 W Emerald StBoise, ID 83704 (208) 302‑5200
Group practices
Medicare enrollment lists Louis A. Roser as a member of this group (CMS data updated 2026-10-02).
- Saint Alphonsus Regional Medical Center Inc680 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Meridian
Clinicians with the same Medicare primary specialty in Meridian, ID — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rush Medical College Of Rush University |
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1497715866 |
| 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