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ConciergeInternal Medicine

MD2 McLean

Quick Facts

Practice TypeConcierge
LocationMcLean, Tysons Corner, Washington D.C., Virginia
DoctorsDavid R. Duhamel MD, FCCP, Internal Medicine, Suzanne Wittig MD, Internal Medicine

About

At MD2 McLean, two physicians with deep roots in Georgetown medicine deliver concierge primary care in Tysons Corner. Dr. Suzanne Wittig and Dr. David R. Duhamel bring complementary expertise across internal medicine, executive health, and pulmonary medicine. Both hold hospital affiliations at Virginia Hospital Center, Inova Fairfax Hospital, and Georgetown University Medical Center. C. and Northern Virginia medical communities. The practice limits each physician to 50 families. That structure gives both doctors the time to know patients thoroughly and think carefully about their health. Dr. Wittig earned Top Doctor recognition from Washingtonian Magazine and Northern Virginia Magazine for 20 consecutive years. Dr. Duhamel holds multiple Top Doctor honors from Castle Connolly and The Washingtonian. Together, they serve patients seeking unhurried, relationship-driven primary care from two of the most credentialed physicians in the Washington region.

Details

Address

1750 Tysons Blvd, Suite 1160, McLean, VA 22102

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Frequently Asked Questions

Each physician at MD2 McLean limits their panel to 50 families. That structure gives both Dr. Wittig and Dr. Duhamel the time to know each patient thoroughly and engage deeply with their health over the long term.

The membership covers all primary care services the practice provides. This includes extensive annual physicals, unlimited visits, house and workplace calls, routine lab work, diagnostics, and cardiovascular and cancer screenings. The practice does not bill separately for office services.

MD2 McLean charges an annual retainer paid monthly. The practice does not require an annual contract from patients. Members can cancel at any time without financial obligation, and their physician helps them transition to another doctor if they choose to leave.

Yes. Your MD2 physician remains your primary medical contact wherever you travel. The practice prepares patients for travel, coordinates care at destination centers when needed, and connects with other MD2 offices in other cities when relevant. MD2 also enrolls members in a worldwide medical evacuation service.

Both physicians at MD2 McLean share direct access with their patients. Members hold private cell phone numbers for both Dr. Wittig and Dr. Duhamel. If one physician is unavailable, the other steps in directly, without a front desk or exchange service as an intermediary.

Yes. MD2 McLean physicians visit patients in the hospital and coordinate directly with specialists across any field. Your physician acts as your advocate throughout a hospital stay and does not hand off care to hospitalists.

Both physicians hold affiliations with Virginia Hospital Center, Inova Fairfax Hospital, and Georgetown University Medical Center. C. and Northern Virginia medical communities.

Yes. Dr. Duhamel brings over two decades of experience in pulmonary and critical care medicine, including nationally recognized expertise in interventional pulmonology and lung cancer. Patients with complex respiratory histories, including asthma, emphysema, or lung cancer, receive highly informed primary care at MD2 McLean.

Both physicians specialize in adult internal medicine. The practice welcomes conversations about when children transition from pediatric care and encourages families to involve their MD2 physician in those discussions, even when a pediatrician remains the primary care provider for younger children.

MD2 McLean sits in Tysons Corner at 1750 Tysons Blvd, Suite 1160, McLean, VA 22102. C. metro area.

Practice last updated June 11, 2026