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Availability last updated 02/06/2026
Gregory Albaugh, DO, FACS, is a board-certified vascular and endovascular surgeon who’s been providing Ventura County with exceptional medical care since 2004. He’s the founding member and managing partner of Coastal Vascular Center, which has three convenient locations in Oxnard, Camarillo, Thousand Oaks, and Simi Valley, California.
Dr. Albaugh completed a fellowship in vascular surgery at Virginia Commonwealth University in Richmond. He’s a fellow of the American College of Surgeons and holds board certifications in general surgery and vascular surgery. Prior to founding Coastal Vascular Center, he was the medical director at St. John’s Regional Medical Center Peripheral Vascular Laboratory and the Pleasant Valley Wound Care Center in Camarillo, California.
In his work at Coastal Vascular Center, Dr. Albaugh is regarded as a regional expert in complex limb revascularization, carotid endarterectomy, endovascular and open aortic surgery, wound care, and the treatment of varicose veins and venous insufficiency.
Outside of his medical career, Dr. Albaugh is a member of the United States Navy Reserve, where he serves as a commander and has a variety of awards and citations. He lives with his wife, Anne, in Ventura County. He looks forward to improving his patients’ quality of life at Coastal Vascular Center.
Dr. Gregory Albaugh, DO
Surgeon
1189 Swallow Ln
Suite 201
Simi Valley, CA 93065
Karen Quirk, MD, FACS, is a highly-skilled vascular and endovascular surgeon on the team of providers at Coastal Vascular Center in Oxnard, Camarillo, Thousand Oaks, and Simi Valley, California. She’s one of the few female surgeons in the field of vascular surgery, which only has a 10% female population nationwide.
Dr. Quirk was born and raised in South Korea and immigrated to America as a young teen. She graduated on the dean’s honor list with a Bachelor of Arts in Molecular Cell Biology from the University of California in Berkeley. After graduating, she spent some time conducting basic scientific research on a therapeutic recombinant proteinase before going to medical school. Dr. Quirk earned her medical degree from the University of California Irvine School of Medicine, graduating with a variety of honors and research awards.
She went on to discover her love and passion for surgery and completed an internship and residency in general surgery at Harbor–University of California Los Angeles Medical Center. She found herself particularly drawn to vascular surgery because of the field’s technical elegance, its capacity for lifelong relationships with patients, and its challenges in managing complex vascular diseases. This passion bloomed during her vascular surgery fellowship at the University of California San Diego Medical Center and continues to drive her in practice today.
Dr. Quirk has a reputation for outstanding surgical skills and compassionate patient care. She’s a fellow of the American College of Surgeons and the Society for Vascular Surgery and is one of the few surgeons in Southern California capable of using fenestrated stent-graft technology to perform minimally invasive complex aortic aneurysm repairs. She manages the full spectrum of vascular disease at Coastal Vascular Center.
Outside of work, Dr. Quirk enjoys spending time with her two wonderful boys.
Dr. Karen Quirk, MD
Surgeon
1189 Swallow Ln
Suite 201
Simi Valley, CA 93065
Paymon Rahgozar, MD
Surgeon
455 E. Thousand Oaks Blvd
Suite 106
Thousand Oaks, CA 91360
