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

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

Mimi Cohee

Mimi Cohee

Practice Manager

Mimi has been working for Dr. Leary since 2008 and is so very proud to be a part of his team. His excellent standard of care and great personality have made the time fly and every moment enjoyable. Her goal is for everyone to have the opportunity to experience the exceptional care we offer; from our customer service to our treatments, we always make sure to take the best care of our patients by doing what is best for their overall health and wellbeing. Our entire team is a cohesive unit and we work together to provide the best possible care for each patient from the moment they walk in the door to the moment they walk out. As the practice manager of California Vein Specialists, she welcomes you to our office and is looking forward to meeting you.

You may contact Mimi directly at 949-515-9377 or email her at Mimi@CalVeins.com

Angelina

Medical Assistant

Meet Angelina! She is a huge help in the office – both in the front office and training as a medical assistant with Dr and our nurse. Angelina is a lot of fun with a great attitude who is applying to medical and pharmacy school now for the fall. We love her young spirit and fresh smile!

Tammy Buccheri

Tammy Buccheri

Front Desk Manager

Tammy is the friendliest & most beautiful front desk manager that any office could ask for. You’ll feel like you’re coming to visit a friend when you check in for your appointment. She sets the tone of the office by preparing each patient for their appointment so things go smoothly and you know what to expect.

Sarah Uson

Medical Assistant

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.

Before & After Photo Gallery

Success Stories