Banner Health Center

4375 E. Irma Lane
Phoenix, AZ 85050

Hours Today: 7 a.m. to 5 p.m.


The providers at Banner Health Center at Desert Ridge are committed to providing comprehensive care for you and your family. Our goal is to build lasting relationships with our patients and create personalized care plans with an emphasis on prevention and wellness.

Getting Here

Hours At This Location
7 a.m. to 7 p.m.
7 a.m. to 7 p.m.
7 a.m. to 7 p.m.
7 a.m. to 7 p.m.
7 a.m. to 5 p.m.
8 a.m. to 1 p.m.


Lab Hours

Monday to Thursday 7 a.m. to 5:30 p.m. and Friday 7 a.m. to 4:30p.m. 

X-Ray Hours

Monday to Friday 8 a.m. to 5 p.m.  (closed from 12 to  p.m.)

About Us

Our experienced practitioners care for patients of all ages — from newborns to seniors. We are committed to providing compassionate care and including patients as partners.

Treatment and Care

  • Acute and chronic condition care
  • Geriatric care
  • Immunizations
  • Medication management
  • Minor in-office procedures
  • Newborn and pediatric care
  • On-site labs and x-rays
  • Routine physicals
  • Sinus and respiratory care
  • Well-child exams
  • Well-woman exams

Sara Alderson, PA-C

Family Medicine

Physician Assistant (PA), Banner Health Center
I'm committed to treating each patient with respect and compassion.

Renee Mercer, DO

Internal Medicine, Pediatrics

Physician, Banner Health Center
I deliver integrative, individualized care as I partner with you and your family to help you live your healthiest, happiest lives.

Gina Mathew, MD


Physician, Banner Health Center
I strive to provide a high caliber of evidence-based medical care in a warm and compassionate environment. I will work with you to make a personalized care plan that fits with your lifestyle and goals.