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About St. Joseph Health

SJH provides a full range of care facilities including 16 acute care hospitals, home health agencies, hospice care, outpatient services, skilled nursing facilities, community clinics and physician groups. All of our hospital and home health entities are accredited by the Joint Commission. In our award-winning facilities, SJH maintains a "continuum of care," matched to the diverse needs of the urban centers, smaller cities and rural communities who depend on us every day.

David S. Ahn, MD

  • Pediatrics
Additional Language Spoken
Spanish, Korean, English
Medical Groups & Affiliations
  • Premier Healthcare
Infinity Medical Group
19333 Bear Valley Road
Suite 201
Apple Valley, CA 92308
Accepting New Patients

Primary Office

Infinity Medical Group
19333 Bear Valley Road
Suite 201
Apple Valley, CA 92308
Get Directions
(760) 956-8700
(760) 240-4445
Mon - Thurs 9 a.m. - 5:30 p.m., Fri 9 a.m. - 12:30 p.m.

More Information

  • Meet The Doctor

    Specialties & Education

    Primary Specialties
    • Pediatrics
    Education & Training
    • Medical School
      Loma Linda University
    • Residency
      Loma Linda University Children's Hospital
    Areas of Interest

    Attention Deficit/Hyperactivity Disorder
    Behavioral Problems
    Discipline Problems
    Emotional Problems

  • Biography



    Dr. Ahn served two years in physician shortage areas in Texas upon graduating from residency. He has been practicing and living in the High Desert since 2000. He has a passion for developing healthy habits and treating asthma.

    What is your philosophy of practice?
    I believe in laying a foundation for a healthy, productive and prosperous life right from the beginning before unhealthy practices can start.

    What do you feel is the biggest reward of a career in medicine?
    Improving a patient's life in some way.

    Why did you select a career in medicine?
    To make a difference in patients’ lives.

    What are some activities/hobbies you like to participate in during your free time?
    Gadgets, Computers, Travel, Music, Photography

    Note: We focus on face time, relationships and education. We limit our schedules to 20 - 30 patients a day. We have separate sick and well waiting rooms, flat-screen TV and children's movies.

    Fellow American Academy of Pediatrics Medical Society Memberships American Board of Pediatrics California Medical Association San Bernardino County Medical Society