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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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.

Joanna Kopacz, MD

  • Infectious Diseases
Additional Language Spoken
27800 Medical Center Road
Suite 264
Mission Viejo, CA 92691
Accepting New Patients

Primary Office

27800 Medical Center Road
Suite 264
Mission Viejo, CA 92691
Get Directions
(949) 218-7251
(949) 209-2669
Mon - Fri: 8:30 a.m. - 5 p.m.

More Information

  • Meet The Doctor

    Specialties & Education

    Primary Specialties
    • Infectious Diseases
    Education & Training
    • Internship
      Lutheran Medical Center - Brooklyn - 2006
    • Medical School
      Akademia Medyczna w Lodzi
    • Residency
      Lutheran Medical Center - Brooklyn - 2008
    • Fellowship
      New York Hospital Medical Center, Queens - 2011
    • Fellowship
      University of Maryland Medical System - 2009
    • Board Certification
      American Board of Internal Medicine