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 Venous & Lymphatic Medicine. Dr. Leary is also 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

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'byrne

Margaret 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.

Mitra Forootan

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.

Mika Diffee

Mika Diffee

Registered Nurse

Mika is a Board-Certified Aesthetic Nurse and Advanced Aesthetic Provider. She is a highly skilled and board-certified aesthetic nurse (CANS) with a wealth of experience in advanced aesthetic procedures. Her expertise includes biostimulators, fillers, neurotoxins and cannula treatments with a focus on advanced areas like temples, brow, and full-body aesthetics.

Not only is Mika dedicated to delivering top-notch aesthetic treatments, but she is also a certified trainer for new injectors. Her commitment to education ensures that our team remains at the forefront of the latest advancements in aesthetics, providing you with the best care possible.

Mika brings a comprehensive understanding of sexual wellness procedures to our practice. Her certifications in O-shot and P-shot further expand the range of services we offer, catering to a variety of patient needs.

Sarah Ulson

Practice Manager

Sarah expertly assists patients with their insurance and treatment plans throughout their care, 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.


Lead back office assistant

Hannah graduated from Chapman University with a Bachelor’s of Science in Kinesiology. She has been a medical assistant for 6 years and hopes to one day pursue a career as a Physician Assistant. In her free time, she enjoys painting, doing pottery, and going to the beach.


Front/back office medical assistant

Stephany is a certified general ultrasound technologist. She has worked in the medical field for about 5 years in different areas of healthcare such as general clinics, labs, and specialist offices. Her hobbies include making & decorating cakes, spoiling her two dogs, and spending free time at Disneyland with her close friends. She hopes to someday travel the world and work full time as a specialized ultrasound technologist.

Before & After Photo Gallery

Vein Treatments

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