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. Learn more about the food service program at Saint Alphonsus.


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