Quick answers
- Which hospitals does Mark A. Johnson work at?
- Medicare's official clinician data lists Mark A. Johnson at 3 hospitals: Saint Alphonsus Regional Medical Center, St Luke's Nampa Medical Center and St Luke's Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark A. Johnson see patients?
- Medicare's clinician data lists 1 practice location in Boise, ID. Call before your visit to confirm the address.
- What is Mark A. Johnson's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Mark A. Johnson accept Medicare assignment?
- Medicare's clinician data says Mark A. Johnson may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Mark A. Johnson's NPI number?
- 1376707034. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark A. Johnson works
Medicare's Facility Affiliation Data lists Mark A. Johnson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Saint Alphonsus Regional Medical CenterBoise, ID · Acute Care Hospital · CCN 130007
- St Luke's Nampa Medical CenterNampa, ID · Acute Care Hospital · CCN 130071
- St Luke's Regional Medical CenterBoise, ID · Acute Care Hospital · CCN 130006
Practice locations
Addresses where Mark A. Johnson is enrolled with Medicare (CMS data updated 2026-10-02).
- PO Box, Suite 191050Boise, ID 83719
Specialties
- Family Practiceprimary
Other family doctors in Boise
Clinicians with the same Medicare primary specialty in Boise, ID — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1376707034 |
| 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