Meet Our Staff

Dr. Leary is one of the very first physicians in the nation to meet the rigorous standards of education, experience, and evaluation required for certification by the American Board of Phlebology. Dr. Leary is also board certified in Emergency Medicine, and had a successful career in a level 1 trauma center with a faculty appointment at the University of Virginia in 1989. He practiced Emergency Medicine at prestigious Eisenhower Medical Center from l991 until founding California Vein Specialist in 2002. He has received extensive postgraduate training in phlebology. Dr. Leary has been recognized as a leading Orange County vein specialist and for his skill in performing endovenous laser procedures by acting as a national physician training center for the company that introduced the procedure.


margaret o'byrneMargaret O’Byrne, MD

Vein Specialist

Along with Dr. Leary, Dr. O’Byrne is one of the very few vein specialists in the country, and the only one in Southern California Board Certified by the American Board of Internal Medicine, American Board of Vascular Medicine, American Board of Venous and Lymphatic Disease, and is a Registered Vascular Technician (RVT). A Fellow of both The American College of Phlebology and the Society of Vascular Medicine and member of The American Venous Forum, Dr. O’Byrne completed a fellowship in Vascular Medicine at the Cleveland Clinic in Ohio, and completed her Board Certification in Vascular Medicine after completing her Board Certification in Internal Medicine. She was a staff member in the Department of Vascular Medicine at the Cleveland Clinic before relocating to California. She has served as an expert clinical evaluator for the California Medical Board since 2016. Additionally, she has been an Associate Professor of Medicine at UCSD teaching medical students since 2014. Her practice has focused on the treatment of venous disease since 1998.


California Vein Specialists Staff

mitra forootan

Mitra Forootan RN, BSN

Registered Nurse

Mitra has been an RN for 4 years, and has primarily been working in the aesthetic field with experience at high end med spas and with plastic surgeons. She will be available for appointments on Fridays from 9:00am to 1:00pm for aesthetic treatments including Botox, fillers like Juvederm and Radiesse, Ultherapy, eMatrix Sublative Laser Rejuvenation, Microneedling with PRP, and PRP for hair restoration. Mitra prides herself in continuously updating her product and treatment knowledge to further her skills in aesthetic services. She is committed to learning the latest techniques and treatments to provide the best results for her patients.

Sarah Uson

Practice Manager

Sarah expertly assists Dr. Leary with vein screenings and various patient procedures, going the extra mile to ensure everything goes smoothly and you feel comfortable during your visit. Her warm, sincere smile and personality helps put all our patients at ease.

Allison Lucas

Allison Lucas

Front Office

Alex McCard

Alex McCard

Back Office Lead

Before & After Photo Gallery

Success Stories