ProVas Labs

About Us

About ProVas Labs

ProVas Labs was founded in 2018 with a vision of providing enhanced patient care through clinical excellence and unparalleled service. We are a privately owned and operated company with an accessible and accountable team.

Our mission is to diagnose, educate, and treat patients with arterial and venous disease through a high level of concierge style care while ensuring better patient outcomes. The team of Interventional Physicians and specialized staff at ProVas is dedicated to the care and treatment of each patient based on individual history and needs. ProVas Physicians are of the highest skill level, with decades of experience in procedures related to full-service arterial and venous therapies.

The ProVas team follows a patient-first philosophy. To ensure that every patient receives the attention they deserve, the team includes three expert physicians and two Nurse Practitioners who specialize in vascular and endovascular care. Patients can always count on getting the most accurate diagnoses and effective treatments using the latest cutting-edge medical technology. The ProVas team is highly experienced in minimally invasive procedures, and they always use the most conservative and most effective treatment possible to minimize prolonged recoveries.


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.


Dr. Chris Warner

Dr. Chris Warner is a highly experienced Vascular and Interventional Radiologist with over a decade of experience in the medical field. He completed Medical School, Radiology Residency and a VIR fellowship at the University of Colorado. Additionally, he is dual fellowship trained with an Interventional Musculoskeletal Radiology Fellowship focusing on advanced minimally invasive spine interventions. He has built a reputation for providing his patients with the best possible care and treatment options to address a wide range of health concerns.

Dr. Warner’s extensive background in interventional radiology has allowed him to be at the forefront of groundbreaking medical treatments for conditions such as PAD, uterine fibroids, and spinal cord stimulators. He is passionate about utilizing the latest technology and research to provide optimal results for his patients.

Beyond his medical work, Dr. Warner is a strong advocate for non-profit and global health initiatives. Prior to pursuing his medical degree, he served as a Teach For America Corps Member, teaching High School science in a low-income neighborhood in Chicago. It was during this time that he developed a passion for public health and community development.

Dr. Warner also co-founded Comunidades Unidas Peru (CU Peru), an NGO operating in the Peruvian Amazon that utilizes the WHO’s Integrated Management of Childhood Illness curriculum to train village healthcare workers. Through this organization, he has been able to provide critical medical support and education to communities in need.

Despite his busy schedule, Dr. Warner also enjoys spending time in the great outdoors. He is a Colorado native who can often be found skiing on the mountains or exploring new cultures and communities during his travels abroad.

Dr. Warner’s dedication to providing exceptional medical care and his passion for improving global health make him a valuable asset to the medical community. His patients appreciate his empathetic approach and the high level of care they receive under his guidance.


Dr. Charles Needham

Dr. Charles Needham, MD is a cardiothoracic surgery specialist, practicing for 23 years. Dr. Needham graduated from the University of Chicago Division of The Biological Sciences The Pritzker School of Medicine,Chicago Medical School At Rosalind Franklin University-Medicine & Sciences in 1987. He has worked in Idaho Falls, ID and 3 other locations and specializes in Cardiovascular Disease, Thoracic Surgery and Vascular Surgery.



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.

Bengt C. Lock, FNP-C

Bengt is a board certified Family Nurse Practitioner. He received her Bachelor’s Degree in Nursing from Ameritech College of Healthcare, and then went on to get his Master’s in Nursing from Northern Kentucky University, graduating as a Nurse Practitioner. As a nurse and nurse practitioner, Bengt has worked in a variety of inpatient and out patient settings with over 9 years of medical experience working in leadership, management, trauma, concierge medicine/sales and now currently in the emergency department. These different experiences have allowed him to discover his strongest skill sets such as critical thinking, leadership, salesmanship and teamwork.

Bengt lives in Bluffdale, with his wife and three children. 

Jessica Newberry, FNP-BC, APRN, MSN

Jessica Newberry is a board certified Family Nurse Practitioner. She received her Associate’s degree in Nursing from Weber State University. Bachelors degrees in Healthcare Administration and Nursing. She then pursued additional education with a Master’s degree in Nursing Education from Western Governors. Finally, she earned her Masters Degree as a Nurse Practitioner in 2020.  As a nurse and nurse practitioner, Jessica has worked in a variety of inpatient and out patient settings, with a concentrated focus in ED/Trauma. Jessica served as a Captain in the Air Force Reserves. She provided education and skills training to all members of the 419th Fighter Wing and maintained battle ready status of all military personnel at Hill Air Force Base.  Jessica lives in Utah County with her children and enjoys spending time with them. 

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