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 the Vascular and Interventional Radiologist for ProVas of Ogden. He has over 20 years of experience since completing training, graduating from Loma Linda University School of Medicine in 1994 and then residency and fellowship at Dartmouth-Hitchcock Medical Center.

Dr. Isaeff truly enjoys building trust and long-term relationships with each and every patient, and uses the latest technology to provide optimal results. His interests outside of medicine include travel with his wife, Laura, cycling, and building koi ponds. Dr. Isaeff has three German Shepherds and loves to take them on walks with his daughter on the weekend.


Dr. Chris Warner

Dr. Warner provides comprehensive interventional spine and pain management combining his expertise in Musculoskeletal Imaging (interpreting X-rays, CTs and MRIs of the spine and joints) with cutting edge minimally invasive procedures to provide immediate pain relief. He provides the full range of spine/pain interventions including steroid/anesthetic injections, stem cells, rhizotomy and neurolysis, vertebral augmentation, spinal cord stimulation and intrathecal pain medication delivery. Dr. Warner believes in treating the whole patient and uses multiple pain management techniques to address the discomfort that can be associated with these illnesses.

Dr. Warner also maintains a strong interest in non-profit and global health work. Prior to medical school, he was Mr. Warner in the classroom teaching High School science in a low-income neighborhood in Chicago as a Teach For America Corps Member. He and two of his fellow medical students co-founded Comunidades Unidas Peru (CU Peru) an NGO on the Peruvian Amazon utilizing the WHO’s Integrated Management of Childhood Illness curriculum to train village healthcare workers. If he’s not abroad traveling the globe you can find the Colorado native on the ski slopes or in the mountains.


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.



As a licensed Doctor of Nurse Practitioner, DNP, Sandra brings nearly a decade of medical experience to ProVas.She began her medical journey as a registered nurse working in emergency room environments, which provided her with the opportunity to gain a diverse medical knowledge assisting and treating a variety of urgent care cases. While working as a registered nurse, she continued her medical education and obtained her Doctorate of Nurse Practitioner. 

Sandra has traveled the world extensively and is extremely active in such outdoor activities as hiking, rock climbing, running, gardening, snowboarding, skiing, fishing and yoga.


Star Rose APRN, MSN

Star Rose APRN, MSN was born in Texas, but grew up in Utah since the age of 5. She accomplished her life-long dream of attending the University of Utah earning a Bachelor of Science in Nursing. She remained on the Dean’s list throughout her schooling all while volunteering through a service learning program at the University. 

Star is passionate about education for her patients and carried that into over 5 years of experience in Cardiology and 2 years in Same Day Surgery. She then pursued a graduate degree at Westminster University. She is now a Board-Certified Family Nurse Practitioner along with being an active member of the American Academy of Nurse Practitioners and the American Vein and Lymphatic Society. Before joining our practice, she worked in medical and cosmetic Dermatology.

In her free time, she enjoys traveling, almost any sport, and spending time with her husband and son.



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. 

Peggy Wallace FNP-C, APRN

Peggy Wallace has a rich and diverse background in healthcare. She spent nine years in the Air Force as a Medical Specialist and most of her career researching, teaching and providing exceptional healthcare in one form or another, including medical, sports, and lymphedema massage therapy, iridology, herbology and Master Esthetician. She received her Bachelor of Science in Nursing from Weber State University and worked as a registered nurse at Intermountain Health Care for many years. She had a strong desire to return to alternative health practices which led her to Westminster College for her Master of Science in Nursing, ultimately becoming a board-certified Family Nurse Practitioner. Her passion is to find the root cause of illnesses to find the best treatment possible. Her Specialties include, Arterial & Venous Disease, Wound care, Lymphedema Therapy, Functional Medicine, General Family Practice, Cosmetic injections with neurotoxins (i.e. Botox) and hyaluronic fillers, Prolotherapy (Injection therapy) to address painful joints and stimulate regeneration


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

Learn More


What Our Patients Say