Recent News

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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.

Linda Warner, DO

  • Family Medicine
Additional Language Spoken
Medical Groups & Affiliations
  • St. Joseph Hospital Affiliated Physicians
Kathleen Gallaher, MD
17871 Santiago Boulevard
Suite 206
Villa Park, CA 92861

Primary Office

Kathleen Gallaher, MD
17871 Santiago Boulevard
Suite 206
Villa Park, CA 92861
Get Directions
(714) 974-1362
(714) 974-3145
Mon - Fri: 9 a.m. - 5 p.m.

More Information

  • Meet The Doctor

    Specialties & Education

    Primary Specialties
    • Family Medicine
    Education & Training
    • Medical School
      College of Osteopathic Medicine - 1990
    • Internship
      Rio Hondo Hospital - 1993
  • Insurance Accepted

    Insurance Accepted

    Insurance ID Numbers

    Aetna: *320132
    Blue Cross: *0WX141
    Blue Shield: 020A61110
    CIGNA: 6301419005
    CIGNA Select: 6301419015
    Health Net: 3204056976
    Health Net Senior: 5148056976
    SCAN: 864-97196
    United Healthcare: *0183470231

    *Provider ID is the same for both HMO and Medicare Advantage Plans