Attendings and clinical staff
Full-time attending faculty
J. David Killeen, MD, FACS
Professor of Surgery
Chief, Division of Vascular Surgery
Dr. Killeen is a graduate of Loma Linda University (1972 - BA, biology) and Loma Linda University Medical School (1975 - MD). He completed his vascular surgery residency in 1981 at Loma Linda University Medical Center after his general surgery residency at Loma Linda University Medical Center. He is board certified in both vascular and general surgery.
Dr. Killeen offers comprehensive care for all problems of the arterial and venous systems. His special interest areas within the field of vascular surgery include aortoiliac occlusive disease, complex lower extremity vascular reconstruction, diabetic foot problems, and carotid artery surgery.
Ahmed Abou-Zamzam, Jr., MD
Associate Professor of Surgery
Program Director, Vascular Surgery Residency Program
Dr. Abou-Zamzam is a graduate of Harvard College (1988 - AB, biochemistry) and Yale University Medical School (1992 - MD). He completed his vascular surgery residency in 2000 at Oregon Health Sciences University after his general surgery residency at Oregon Health Sciences University. He is board certified in both vascular and general surgery.
Dr. Abou-Zamzam offers comprehensive care for all problems of the arterial and venous systems. His special interest areas within the field of vascular surgery include aortoiliac occlusive disease, complex lower extremity vascular reconstruction, diabetic foot problems, aortic, mesenteric, and renal artery reconstruction, abdominal aortic aneurysm repair, carotid artery surgery, and treatment of chronic venous insufficiency such as varicose veins and venous ulceration. Dr. Abou-Zamzam offers the latest endovascular treatments for all diseases of the vascular system.
Wayne W. Zhang, MD, FACS
Assistant Professor of Surgery
Dr. Zhang is a graduate of Henan Medical University in China (1984 - MD). He completed his general surgery training at the University of Hawaii and the State University of New York at Buffalo, where he also completed his vascular and endovascular surgery fellowship in June 2005. He is board certified in general surgery.
Dr. Zhang offers comprehensive care for all problems of the arterial and venous systems with a particular interest in arterial and venous endovascular procedures, aortoiliac occlusive disease, lower extremity vascular reconstruction, diabetic foot problems, abdominal aortic aneurysm repair, carotid artery surgery, treatment of chronic venous insufficiency, such as varicose veins and venous ulceration, and dialysis access.
Clinical office staff
Jeri Roberts, Scheduler
Krista Renstrom, MA
Marissa Holland, MA
(909) 558-2822
Administrative assistant
Nikki Malinowski
(909) 558-4354
Outpatient office locations
Faculty medical offices
11370 Anderson Street, Suite 2100
Loma Linda, California 92354
(909) 558-2822
Medical Center location
Loma Linda University Medical Center
11234 Anderson Street
Loma Linda, California 92354
(909) 558-4000
Surgical facilities
Loma Linda University Medical Center
11234 Anderson Street
Loma Linda, California 92354
Outpatient Surgery Center
11370 Anderson Street, Suite 1900
Loma Linda, California 92354
