Our Services

Carotid Artery

Carotid artery disease happens when plaque builds up in the carotid arteries.

Abdominal Aortic Aneurysm

An abdominal aortic aneurysm is a bulge in the lower part of the body’s main artery, the aorta.

Varicose Veins

Varicose veins are twisted, enlarged veins close to the surface of the skin. They usually develop in the legs and above the ankles.

Peripheral Arterial Disease

Peripheral arterial disease (PAD) is a circulatory disorder characterized by narrowing of the blood vessels, usually in the legs.

Screenings

Screening ultrasounds help you and your doctor determine your risk for stroke, abdominal aneurysm and other peripheral vascular disease.

Call us now

(303) 778-6527

Our Physicians

Meet the cardiovascular team at Oregon Vascular Specialists

Dr. Srikant Sivaraman

Dr. Sivaraman holds dual board certifications in general surgery and vascular surgery.

Dr. Sivaraman is committed to providing comprehensive care to his patients, specializing in all aspects of vascular surgery, with a special passion for carotid artery disease, advanced limb salvage techniques, and vascular trauma.

Dr. Marcus R. Kret

Dr. Kret completed his clinical fellowship in vascular and endovascular surgery at Stanford University, where he gained extensive experience in complex endovascular repair of thoracic and abdominal aortic aneurysms, including the use of branched and fenestrated technology. In addition, he received training in both open and endovascular therapies for carotid and lower extremity arterial disease, dialysis access creation and maintenance, as well as endovenous ablation for varicose veins.

Dr. Colleen S. Hupp

Dr. Hupp was Assistant Professor at the University of Kansas Medical Center for three years where she enjoyed working with medical students and residents as they progressed through their training.  She also has always been extremely  interested in mentoring and encouraging women interested in a career in surgery.

Dr. Samuel Victoria

Samuel Victoria, Jr. M.D., is a board-certified vascular surgeon who specializes in limb salvage, pedal access, hemodialysis access, venous disease, and minimally invasive cutting-edge procedures such as TransCarotid Artery Revascularization (TCAR) for carotid disease and the prevention of stroke, Fenestrated Endovascular Aortic Aneurysm Repair (FEVAR), and percutaneous deep venous thrombectomy.

Dr. Danielle Sethi

Dr. Danielle Sethi grew up in Michigan, where she attended the University of Michigan for her undergraduate degree. She went on to obtain her medical degree from Michigan State University College of Human Medicine, where she was awarded the Arthur L. Foley Endowed Memorial Scholarship for her commitment to preventive medicine and dedication to mentorship. She was also inducted into the Alpha Omega Alpha Honor Society.

Dr. Jason Zhang

Jason Zhang, MD, RPVI, is originally from Michigan, where he attended the University of Michigan for his undergraduate degree. He went on to earn his medical degree from the Perelman School of Medicine at the University of Pennsylvania and completed his integrated vascular surgery residency at NYU Grossman School of Medicine, where he gained extensive experience treating a broad range of vascular conditions.

Find a Location

We offer nine convenient locations to serve you.

1. North Office

2. South Office

3. Central Office

4. West Office

5. Summit Office

6. St. Anthony North Office

7. Rose Hospital Campus

8. Littleton Office

9. Parker Office

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