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Contact Us

If you are a patient in need of an appointment, please call 714-456-6262.

If you are a physician who wants to refer a patient, please use this Contact Sheet.

Department of Surgery
333 City Blvd. West, Suite 1600
Orange, CA 92868   MAP
Phone: 714-456-6262 or 6383
Fax: 714-456-6377


Ninh Nguyen, MD
Department Chair

Lorraine Pistorino
Chief Administrative Officer

Kimberly Kelley
Assistant to the Chair

Idris Aydin
Principal Financial Analyst

Paige Roarty
Senior Financial Analyst

Medical Education

Steven D. Mills, MD
Clerkship Director

Jill Endres, MD
Clerkship Director

Sebastian Schubl, MD
4th Year Electives Director

Staci Reichenecker
Clerkship Coordinator

Resident Education

Brian Smith, MD
Residency Program Director

Maki Yamamoto, MD
Associate Program Director

Stephanie Watson
Residency Program Coordinator

Jill Endres, MD
Director of Surgical Education

Tania Saba
Education Manager


Jonathan RT Lakey, PhD
Research Director