Quick answers
- Which hospitals does Sheila Giffen work at?
- Medicare's official clinician data lists Sheila Giffen at 1 hospital: Saint Alphonsus Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sheila Giffen see patients?
- Medicare's clinician data lists 3 practice locations, including Boise, ID, Meridian, ID and Caldwell, ID. Call before your visit to confirm the address.
- What is Sheila Giffen's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Sheila Giffen accept Medicare assignment?
- Yes. Medicare's clinician data says Sheila Giffen 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 Sheila Giffen?
- (208) 302-5600, as listed in official Medicare / NPI Registry data.
- What is Sheila Giffen's NPI number?
- 1013957802. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sheila Giffen works
Medicare's Facility Affiliation Data lists Sheila Giffen 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
Practice locations
Addresses where Sheila Giffen is enrolled with Medicare (CMS data updated 2026-10-02).
- 10255 W Overland RdBoise, ID 83709 (208) 302‑5600
- 3025 W Cherry LnMeridian, ID 83642
- 712 Aviation WayCaldwell, ID 83605 (208) 302‑1035
Group practices
Medicare enrollment lists Sheila Giffen 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 Boise
Clinicians with the same Medicare primary specialty in Boise, ID — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1998 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1013957802 |
| 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