ProVas Labs


Our Mission

At ProVas, our mission is to provide exceptional concierge-style care to patients with arterial and venous disease. We are dedicated to delivering personalized diagnosis, education, and treatment that ensure better patient outcomes. Our team of interventional physicians and specialized staff is committed to tailoring care to each patient’s unique history and needs, using the latest technology and decades of experience in full-service arterial and venous therapies. We believe in putting our patients first, empowering them with the knowledge and resources to make informed decisions about their health and wellbeing. At ProVas, we strive to be a leader in the field of vascular care, setting the highest standards of excellence in patient care and outcomes.


Meet Our Vascular Team

Dr. Shawn Isaeff

Dr. Shawn Isaeff is an accomplished Vascular and Interventional Radiologist with over 20 years of experience. He completed his medical education at Loma Linda University School of Medicine in 1994 and went on to complete his residency and fellowship at Dartmouth-Hitchcock Medical Center.

Throughout his career, Dr. Isaeff has developed a reputation for his outstanding skills and expertise in vascular and interventional radiology. He is passionate about providing patients with the latest advancements in technology to deliver optimal results, and he takes pride in building long-lasting relationships with each and every one of his patients.

One of Dr. Isaeff’s core values is patient-centered care, and he strives to make every patient feel comfortable and heard. He takes the time to explain complex medical procedures in easy-to-understand terms, ensuring that his patients are fully informed and comfortable with their treatment options. Dr. Isaeff’s genuine care for his patients has earned him a loyal following, and he is known for going above and beyond to ensure that his patients receive the best possible care.

Outside of his medical practice, Dr. Isaeff enjoys pursuing his passions, which include traveling with his wife, Laura, cycling, and building koi ponds. He also has a deep love for animals and is the proud owner of three German Shepherds. Dr. Isaeff values spending time with his family and makes it a priority to take walks with his daughter and dogs on the weekends.

Overall, Dr. Isaeff is a dedicated and compassionate physician who is committed to delivering exceptional vascular and interventional radiology care to his patients. He brings a wealth of experience and expertise to every case, and he is a true asset to the field of medicine.



Sandra is a highly skilled and experienced Doctor of Nurse Practitioner (DNP) with nearly a decade of experience in the medical field. Her passion for helping others and making a difference in their lives has driven her to pursue a career in healthcare.

Her journey in the medical field began as a registered nurse, where she gained invaluable experience working in high-pressure emergency room environments. Her ability to remain calm and collected while providing top-notch care to a diverse range of urgent care cases has earned her a reputation as a highly capable and compassionate medical professional.

Continuing her education, Sandra obtained her Doctorate of Nurse Practitioner, further expanding her knowledge and expertise in the field of healthcare. This advanced degree has allowed her to take on a more comprehensive role in the care of her patients, working alongside physicians to provide a holistic approach to treatment.

In addition to her impressive medical career, Sandra is an avid traveler who has explored many parts of the world. She finds joy in outdoor activities such as hiking, rock climbing, running, gardening, snowboarding, skiing, fishing, and yoga. Her passion for the outdoors is evident in her approach to healthcare, as she recognizes the benefits of an active lifestyle in promoting overall health and wellness.

Sandra’s dedication to her patients and her extensive medical knowledge make her an invaluable member of the ProVas team. Her ability to connect with patients and provide personalized care has earned her a loyal following among her patients, who appreciate her compassionate approach to healthcare.

John Whitehead, PA-C, RPhS

John Whitehead is an experienced medical professional with an extensive background in cardiovascular surgery and interventional cardiology. He completed his undergraduate degree in Molecular Biology at the University of Utah in 1994, followed by his attendance at the University of Alabama at Birmingham’s Surgical Physician Assistant program with an emphasis in Cardiovascular Surgery. He then completed a two-year general surgery residency at the University of Nebraska in Omaha.

John’s passion for healthcare and patient outcomes led him to specialize in treating venous disease for over 22 years. As one of the pioneers of minimally invasive venous procedures, John was instrumental in introducing the first endovenous device to Utah in 2001, and has since witnessed the evolution of these procedures first hand. Additionally, John is well-versed in endoscopic vein harvesting due to his employment in cardiovascular surgery and has an in-depth understanding of venous anatomy.

Throughout his career, John has always put his patients first, providing compassionate and individualized care to each and every one of them. He values the importance of building relationships with his patients and takes the time to educate them about their conditions and treatment options.

When John is not at work, he enjoys spending time with his family and being active in the great outdoors. He is an avid skier and hiker, and loves to explore the beautiful Utah mountains. John is also a dedicated member of his community, and volunteers his time and expertise to various healthcare organizations.

Our Lab Locations

Our office-based vein & vascular centers house the most advanced and innovative treatment and diagnostic imaging capabilities, allowing our patients the most comfortable, appropriate care possible with the ability to recover in their homes.


Salt Lake City

Salt Lake City

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What Our Patients Say