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Dr. Heather Matheny is a fellowship-trained vascular and endovascular surgeon specializing in the comprehensive management of arterial and venous disease. She completed her General Surgery residency at the University of California, San Francisco – Fresno, a program recognized for its rigorous clinical training and diverse patient population. She then pursued advanced fellowship training in Vascular and Endovascular Surgery at the University of Washington in Seattle, one of the nation’s top centers for vascular training and innovation. During her fellowship, she gained extensive experience in complex open and endovascular procedures, including branched and fenestrated aortic repairs, carotid interventions, limb preservation, dialysis access, and venous ablation and reconstruction.

Dr. Matheny’s clinical expertise spans the treatment of cerebrovascular disease, peripheral arterial disease, aortic pathology, venous disorders, and dialysis access creation and maintenance. She is skilled in minimally invasive endovascular techniques, as well as open surgical reconstruction when indicated. Her approach emphasizes individualized care plans that align with each patient’s goals and quality of life.

In addition to her clinical practice, Dr. Matheny has authored multiple peer-reviewed publications in the Journal of Vascular Surgery and presented her research at national meetings. Her academic interests include quality improvement in vascular care, limb preservation, and surgical education.

Dr. Matheny is proud to bring her academic training and compassionate approach to the patients of Coastal Vascular Center and the surrounding Ventura County community. She believes in empowering patients through education and working closely with multidisciplinary teams to achieve the best outcomes possible.

Outside of work, Dr. Matheny enjoys spending time with her family and her Yorkshire Terriers who keep her active and entertained.

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.

John T. Baber, MD, specializes in vascular and endovascular surgery at Coastal Vascular Center. Dr. Baber provides comprehensive and compassionate care to patients at the practice's locations in Oxnard, Camarillo, Thousand Oaks, and Simi Valley, California.

Dr. Baber received his undergraduate degree in Biology and Neuroscience from the University of Virginia. Afterward, he moved to New Orleans, Louisiana, where he received his Doctorate of Medicine as well as a Masters of Business Administration from Tulane University. 

While at Tulane, Dr. Baber was elected to the Alpha Omega Alpha Honor Society in his third year of medical school (top 5% of class) and received the university-wide Tulane 34 Award at graduation. He continued his medical training at UCLA, where he completed his internship, General Surgery residency, and a two-year research fellowship focusing on the molecular mechanisms of ischemia-reperfusion injury. He subsequently trained in vascular and endovascular surgery at Columbia University College of Physicians and Surgeons and Cornell University Medical Center in New York, New York, before returning to Southern California. 

Dr. Baber has developed a diverse skill-set, with the ability to treat complex arterial and venous pathology with cutting-edge minimally-invasive techniques or traditional open surgery. This allows him to tailor the treatment he provides to each patient's specific needs.

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.

About Dr. Fischer

Trevan Fischer, MD, FACS, specializes in complex general surgical oncology and is certified by the American Board of Surgery. Dr. Fischer is an experienced surgeon who offers patients in Santa Monica, Los Angeles and Orange, California, the latest surgical techniques to help in the battle against cancer. His thorough understanding of the nature of cancer allows him to perform complex surgeries that help him diagnose and treat a number of conditions, including melanoma, other skin cancers, and soft tissue sarcomas.

Outside of his practice, Dr. Fischer continually strives to stay on top of the latest techniques in treating cancer, and he is actively involved with innovative clinical trials at The Angeles Clinic and Research Institute, a Cedars-Sinai affiliate. He also involved in continuing training the next generation of surgical oncologist as faculty member of Cedars Complex General Surgical Oncology Fellowship program. Cedars-Sinai is consistently ranked among the nation’s top hospitals, recognized for pioneering research, advanced technology, and world-class patient care—providing an unparalleled environment for cancer innovation and collaboration.

Dr. Fischer began his medical career at the University of Oklahoma in Oklahoma City, where he earned his medical degree in 2008. He completed his general surgery residency at the University of Florida in Gainesville in 2015, serving as chief resident from 2014-2015. In 2015, Dr. Fischer became a fellow at the John Wayne Cancer Institute, where he completed two years of specialized surgical oncology training. 

To continue his education, Dr. Fischer is a member of the Society of Surgical Oncology, the American College of Surgeons, and the American Medical Association.

Over the course of his career, Dr. Fischer’s involvement in research and clinical trials has led to numerous articles, papers, and presentations in peer-reviewed publications and at national conferences.

Dr. Fischer is constantly exploring new ways to gain the upper hand on cancer through state-of-the-art surgical techniques and brings this experience to the Southern California area. He also accepts patients across all of Southern California, including Bakersfield, San Luis Obispo and Palm Springs. 

Dr. Fischer has continued his practice in Orange County and sees patients at  Providence St. Joseph.