Saint Alphonsus Health System

Saint Alphonsus Medical Center - Nampa 12th Avenue

1512 12th Ave. Rd, Nampa, ID 83686

Saint Alphonsus Medical Center — Nampa 12th Avenue is a not-for-profit, 152-bed acute care hospital serving the medical needs of the greater Nampa, Idaho area. We work to improve the health and well-being of those we serve through high-quality care and state-of-the-art facilities.  We operate two Emergency Departments in the Nampa area to better meet the needs of our growing community.

Phone Numbers: 

  • Main Number: 208-463-5000
  • Emergency Department: 208-463-5100
  • Human Resources: 208-463-5812
  • Medical Records: 208-463-5760
  • Patient/Visitor Information: 208-463-5000
  • Volunteer Services: 208-463-5840


Saint Alphonsus Medical Center - Nampa 12th Avenue is home to a host of specialties, including:

  • Cancer Care
  • Cardiology & Heart Care
  • Diabetes Care & Education
  • Emergency Services
  • Hospice
  • Laboratory
  • Neurology
  • Nutrition
  • Physical & Occupational Therapy
  • Radiology & Medical Imaging
  • Sleep Disorders
  • Surgical Services
  • Telestroke

Visiting Hours:

10:00 a.m. - 9:00 p.m. Daily. Children under the age of 14 must be accompanied by an adult at all times.

Food Service:

The Cafeteria is located on the first floor by the elevators and is open Monday - Friday from 7:00 a.m. - 6:30 p.m. and Saturday & Sunday from 8:00 a.m. - 2:00 p.m. Vending machines are located next to the cafeteria.


Visitor parking is available in the front parking lot, located directly off of 12th Avenue.