Careers With St. Joseph Health

Our Values are more than just words.

They form the heart and soul of St. Joseph Health and are the prime reason we attract and retain high-caliber employees who believe in the sanctity of their work in our faith-based setting.

Recent News

Irvine school nurses, staff learn Stop the Bleed techniques to respond in mass-casualty situation

Irvine school nurses and athletic trainers on Tuesday, Jan. 30, learned simple techniques that could save lives in a shooting or other ...

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Families anticipate exciting community blessing of surgical center

A community is as strong as its hospital, and with recent investments into Covenant Health Plainview, it’s evident that to our friends ...

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Severe Flu Season Tightens Its Grip on U.S.

Americans are being hit with one of the worst flu seasons in years, with misery now widespread across 46 states, health officials say. In ...

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Here you can find news articles and press releases from St. Joseph Health and it's locations.

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.

Giving back to the community. St. Joseph Health System Office

Hae Young Song, MD

  • Allergy and Immunology
    (Board Certified)
18300 Yorba Linda Blvd.
Suite 101
Yorba Linda, CA 92886

Primary Office

18300 Yorba Linda Blvd.
Suite 101
Yorba Linda, CA 92886
Get Directions
(714) 777-8845
(714) 777-8856
Mon, Tue, Thu, Fri 9 a.m. - 12 p.m., & 1 p.m. - 5 p.m., Wed 9 a.m. - 5 p.m. Please Call Thurse Office for Fri Office Hours.
Weekend Hours
Sat 9:00AM-12:00PM

Secondary Office

(714) 777-8845
Thu 1:30 - 5 p.m.

More Information

  • Meet The Doctor

    Specialties & Education

    Primary Specialties
    • Allergy and Immunology
      (Board Certified)
    Education & Training
    • College
      Pacific University - 1992
    • Medical School
      Medical University of Washington - 1997
    • Internship
      University of California Irvine - 1998
    • Residency
      University of California Irvine - 2000
    • Fellowship
      University of California Irvine - 2005
    Areas of Interest

    Adult Allergy & Immunology
    Pediatric Allergy & Immunology
    Food Allergies
    Nasal Allergies