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 1991 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.


Mr. Mike

Michael Setareh, MD

A highly rated physician, Dr. Mike is passionate about helping his patients achieve their health goals. He understands that feeling good is just as important to your health as your lab values, and works closely with his patients so they have the best care possible.

Dr. Mike graduated from San Diego State University with a Bachelor of Science in Biology. He later went on to earn his medical degree from Ross University before going to the University of Arizona where he completed his residency in family and community medicine. While there, he also completed the Curriculum of Integrative Medicine in Residency from the prestigious Andrew Weil Center for Integrative Medicine.

Personally trained by Dr. Leary, we are confident you will continue to get the highest quality care and results our patients are accustomed to. He has mastered sclerotherapy and has demonstrated in-depth knowledge and understanding in all aspects in the treatment of venous disease.

A Southern California native, Dr. Mike loves spending his free time with his wife and their new daughter. Beyond practicing yoga and jiu jitsu, he is also an avid hiker, exploring with their german shepherd, Jackie.


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

Alex McCard

Mitra Forootan

Registered Nurse

Mitra has been an RN for 6 years, with a great deal of experience in cosmetic medicine, having worked with leading medispas and plastic surgeons. She has also been personally trained by Dr. Leary in the art and science of cosmetic sclerotherapy. Mitra prides herself in continuously updating her product and treatment knowledge to further her skills in sclerotherapy and aesthetic medicine. She is committed to learning the latest techniques and treatments to provide the best results for her patients.

Sarah Uson

Practice Manager

Sarah comes with 6 years of experience in the vein world and has been with Dr. Leary for over 4 years. She assists patients with all things insurance and is here to support you as your liaison throughout your vein journey.

Sarah is known for going the extra mile to ensure everything goes smoothly and you feel comfortable during your visit. Her warm, sincere smile and personality help to put all our patients at ease.

Alex McCard

Alex McCard

Back Office Lead

Alex has been a tremendous asset to our office acting as Dr. Leary’s Medical Assistant and soon to be board certified Vascular Ultrasonographer. She always goes the extra mile to ensure everything runs smoothly and you feel comfortable during your visit. Her warm, sincere smile and calm demeanor helps put all our patients at ease. Alex loves to travel and spend time with her family, especially her nieces and nephews.

Alexa CaguioaAlexa Caguioa

Back Office Medical Assistant

Alexa is multitalented as she expertly assists patients in the front office and also assists the doctors with their vein procedures. She is soon to be a board certified Vascular Technician. Her sweet and welcoming attitude will instantly make you feel at home in our office.

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