New service line and digital platform offer specialized care and resources for rare and misdiagnosed vascular conditions under the direction of Dr. Naiem Nassiri

The Vascular Care Group (TVCG), the largest independent group of board-certified vascular specialists in the United States, today announced the launch of TVCG CARES International, the Center for Anomalies and Rare Entities, along with the debut of its dedicated patient and physician website: www.tvcgcares.com.

Founded and led by Dr. Naiem Nassiri, a nationally and internationally recognized vascular and endovascular surgeon, TVCG CARES International is a comprehensive clinical program designed for the diagnosis and treatment of vascular anomalies and malformations, a group of rare, complex, and often misunderstood conditions that require highly individualized care.

Expanding Access to Specialized Vascular Anomalies Care

Located in Darien, Connecticut, TVCG CARES International serves as a regional and national referral center for adult and pediatric patients living with conditions such as arteriovenous malformations (AVMs), venous and lymphatic malformations, hemangiomas, syndromic vascular anomalies, and other congenital or acquired vascular disorders.

“We founded TVCG CARES International to create a true home base for patients living with rare and often confusing vascular diagnoses,” said Dr. Naiem Nassiri, Founder and Director of TVCG CARES International. “This is not just a clinic — it is a full-spectrum care model built to guide patients and families through every stage of their condition with clarity, precision, innovation, and compassion.”

The program offers a comprehensive range of treatment options, including surgical, endovascular, and noninvasive therapies, all delivered through a collaborative, multidisciplinary care model. Patients benefit from coordinated long-term care planning, assistance accessing psychosocial support, and the integration of diagnostics and therapies informed by clinical research. The approach emphasizes continuity of care, lasting patient-provider relationships, and close collaboration with referring physicians both nationally and internationally.

A Patient-First Digital Platform

The new website, www.tvcgcaresinternational.com, is designed to serve as an informational gateway for patients, families, and clinicians seeking second opinions, advanced diagnostics, or formal referral for vascular anomalies care. Visitors to the site can access:

• Clear explanations of complex vascular malformations with proper nomenclature
• Care pathways and what to expect
• Detailed information on the care team and referral process
• Information for adult and pediatric patients alike
• Information for United States and overseas patients alike

“Our focus with TVCG CARES International is on making this level of specialty care more accessible, less intimidating, and easier to navigate,” said Mark Rowe, CEO of Mangrove Management Partners, the affiliated management organization of The Vascular Care Group. “This launch marks an important step forward in supporting patients with complex vascular conditions who too often feel overlooked or uncertain about where to turn.”

About The Vascular Care Group

The Vascular Care Group is the largest independent group of board-certified vascular specialists in the United States, providing comprehensive outpatient and hospital-based vascular care across Massachusetts, Connecticut, and southern Maine. Known for clinical excellence, innovation, and compassionate care, TVCG offers a full spectrum of services, including diagnostic testing, minimally invasive interventions, and advanced surgical procedures.

TVCG CARES International reflects the Group’s mission to deliver highly specialized care through evidence-based practices, expert leadership, and a deeply rooted commitment to improving patient outcomes.

To learn more, visit www.thevascularcaregroup.com or www.tvcgcares.com.

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