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Mission Regional Medical Center company history timeline

1954

Founded by the City of Mission, Mission Municipal Hospital, as it was named then, opened its doors to patients in 1954.

1971

Mission Hospital was founded in Mission Viejo in 1971 by a group of proactive, physicians who realized the need for accessible, quality medical care to serve the growing community.

1987

Doctor Sieglen began her career in 1987 at Princeton health care System in New Jersey, where she most recently held the position as Senior Vice President of Medical Affairs.

1996

Mission Hospital as it is today was formed when St Joseph's Hospital and Memorial Mission Medical Center began an organizational partnership in 1996.

2004

To reflect its increasing size and service, Mission Hospital was renamed Mission Regional Medical Center in 2004.

2009

In 2009, Mission Hospital expanded its geographic footprint to include South Orange County’s coast line by acquiring Mission Hospital Laguna Beach.

2018

John Miller joined the Providence Mission Hospital family as Chief Philanthropy Officer in April 2018, bringing extensive leadership experience in all aspects of fundraising, with a passion for health care.

2020

For the past two consecutive years, the Orange County Business Journal honored Seth as one of the OC 500 and a distinguished member of the 2020 Directory of Influence.

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Mission Regional Medical Center may also be known as or be related to MISSION HOSPITAL INC, Mission Regional Health Professionals Association, Mission Regional Mecical Center and Mission Regional Medical Center.