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Our Providers


At United Vascular of Huntsville, our physicians specialize in vascular care and are committed to delivering personalized treatment for every patient. Each provider brings extensive experience and a shared focus on improving circulation, restoring function and supporting long-term health.

Meet Our Physicians

Our team works collaboratively to provide efficient, high-quality care tailored to your individual needs.

Andrew W. Knott, M.D.

Medical Director, Vascular Surgery

Marco Cioppi, M.D.

Vascular Surgery

Mell B. Welborn III, M.D.

Vascular Surgery

Benjamin Shepherd, M.D.

Vascular Surgery

Karen P. Rudolph, M.D.

Vascular Surgery