The Vein Institute of Hunterdon
The Vein Institute of Hunterdon is proudly accredited by the Intersocietal Accreditation Commission (IAC), a mark of our commitment to excellence in vascular care. Our practice combines advanced medical expertise with a warm, patient-centered environment designed to put you at ease from the moment you walk in.
Our dedicated team of skilled professionals delivers the latest in both medical and cosmetic treatments for varicose and spider veins. With a focus on cutting-edge technology, personalized care, and genuine compassion, we ensure every patient receives the attention and outcomes they deserve.
Glen Tonnessen MD, MMM, FACC, FSCAI, DABVLM
Dr. Glen Tonnessen is a seasoned cardiologist and the Managing Director of The Vein Institute. With more than 30 years of experience in cardiovascular medicine and over a decade specializing in venous disease, Dr. Tonnessen brings deep clinical insight and a compassionate approach to patient care. He completed his residency in internal medicine at St. Michael’s Medical Center in Newark, New Jersey, followed by fellowship training in cardiovascular medicine through Seton Hall University. Board-certified in both cardiovascular disease and vascular medicine, Dr. Tonnessen is recognized for his comprehensive expertise in treating a wide range of circulatory conditions.
Dr. Tonnessen is a Fellow of the American College of Cardiology (FACC), a Fellow of the Society for Cardiovascular Angiography and Interventions (FSCAI), and a Diplomate of the American Board of Venous and Lymphatic Medicine (ABVLM). He also holds a Master of Medical Management degree from Carnegie Mellon University and is the founder of The Vein Institute of Hunterdon.
- St. Michael’s Medical Center
- Seton Hall University
- Fellow in the American College of Cardiology (FACC)
- Fellow of the Society of Cardiac Angiography and Intervention (FSCAI)
- Diplomate of the American Board of Venous and Lymphatic Medicine (ABVLM)
At The Vein Institute, we offer a range of advanced treatments for varicose and spider veins—designed to restore both comfort and confidence. Whether it’s sclerotherapy, ambulatory phlebectomy, or another targeted solution, our expert team is here to help you love the way you feel in your skin again.
Tuesday: 8:00 AM - 4:30 PM
Wednesday: 8:00 AM - 4:30 PM
Thursday: 8:00 AM - 4:30 PM
Friday: 8:00 AM - 4:30 PM
Saturday: Closed
Sunday: Closed
Tuesday: 9:00 AM - 5:00 PM
Wednesday: 9:00 AM - 5:00 PM
Thursday: 9:00 AM - 5:00 PM
Friday: 9:00 AM - 5:00 PM
Saturday: Closed
Sunday: Closed
We see patients one Monday per month for office visits only. Call to schedule your free consultation.