Attention TRICARE beneficiaries!  
You may experience busy signals when calling the military pharmacy prescription refill interactive voice response system – or prescription refill line – Jan. 26 to Feb. 5, 2026, as the system is updated.  
Each military pharmacy’s prescription refill line may be unavailable for about two hours. If you call the prescription refill line at this time, you will hear a busy signal. Please wait and call back to complete your refill later.  
You may still use the
MHS GENESIS Patient Portal to refill your prescriptions.  
You may report issues to the DHA Global Service Center by calling 800-600-9332. 

Yuma Proving Ground Health Clinic

The Yuma Proving Ground Health Clinic (YPG) is composed of a physician assistant (PA), nurse practitioner provider, occupational health nurse, and other ancillary support staff. The clinic provides primary care, occupational health, lab, pharmacy, immunizations, and x-ray services. YPG is a tenant organization, and its personnel are assigned to the Weed Army Community Hospital at Ft. Irwin in California.

Our facility is a community-based clinic which provides accessible, high quality, cost-effective and customer focused interdisciplinary health care for TRICARE Prime Active Duty Service Members, Tricare Prime Retirees, and their dependents. The scope of comprehensive services includes chronic and acute illness care, preventive health maintenance, health promotion and wellness, education and counseling, and specialty consultation and referral, and tele-health services. There are no after-hours care available at YPG, so please call 911 or proceed to the nearest urgent care center if you have an emergency after hours.

Getting Care

YPG offers two convenient options for primary care: in person and telehealth.

Scheduling Options

  • Call the appointment line at (928) 328-2666 during business hours
  • Log into your patient portal, MHS Genesis.

Pharmacy

For Refills 760-380-3127 Option #3 or log into your MHS Genesis Patient Portal.

Patient Resources

Get the most out of your TRICARE benefits. Check out these helpful resources:

  • Prime Travel Benefit - Reimburses reasonable travel expenses for a qualified trip by a TRICARE Prime enrollee. Reasonable expenses are the amounts you pay when traveling to and from your appointment.
  • Virtual Education Center - Access to over 50,000 health related articles and resources.
  • Teleymnd - Provides virtual mental healthcare like teletherapy and telepsychiatry. Providers can address concerns such as major life stressors, emotional distress, depression, and how to cope with anxiety.  
  • Telehealth - Multiple companies allow beneficiaries to connect with board certified physicians through video calls for urgent care conditions and behavioral health services.
  • VIPRR - TRICARE Prime beneficiaries age 12 and older can now access virtual urgent care appointments through the Defense Health Agency’s new Virtually Integrated Patient Readiness and Remote Program (VIPRR). Services include care for sinus issues such as cough, allergies, sore throat, rashes, acne, joint pain, and headaches. Appointments are available Monday through Friday from 4:30 a.m. to 9:30 p.m. (Central time). To schedule, call 800-TRICARE or visit mhsnurseadviceline.com/home​​​​​​​

About the Yuma Proving Ground

U.S. Army Yuma Proving Ground (USAYPG) is a general-purpose desert environmental test facility. The USAYPG is located 26miles north of Yuma, Arizona on U.S. Hwy 95 near the California-Arizona border. This installation covers nearly 1,400square miles and offers climate and terrain similar to major desert areas worldwide. USAYPG is primarily involved in developmental and operational test of artillery weapons and ammunition, aircraft armament systems, mobility equipment, and air delivery systems.

Contact Us

Phone

Appointments
(928) 328-2666
Pharmacy
(928) 328-2345
Laboratory
(928) 328-3765
Radiology
(928) 328-2051
Immunizations
(928) 328-2431
Medical Records
(928) 328-3206
Referral Management
(928) 328-2792
Occupational Health
(928) 328-2236
Flight Physicals
(928) 328-3864
Patient Advocate
(760) 383-5480

Urgent Care

Prime Care Urgent Care 928-345-6830
Onvida Urgent Care 928-344-20000

Emergencies

For Emergencies, Always Dial 911 or visit the nearest emergency room: 
Yuma Regional Medical Center
Foothills Medical Plaza Emergency Department
11351 S. Frontage Road
Yuma, AZ 85367
928-336-4000

Hours

Monday-Thursday 0730-1630
Friday 0730-1200
Closed 1200- 1300 for Lunch
Closed on Federal Holidays and Selected Training Holidays

Location

YPG Health Clinic - Bldg. 990
990 D Street
Yuma, AZ, 85365

Don't forget to keep your family's information up to date in DEERS!