Hemostasis and Thrombosis Center

Meet Our Team

Attending Physicians

• Leslie J. Raffini, MD
• Char Witmer, MD
• Michele Lambert, MD
• Spencer Sullivan, MD

HTC Nurse Coordinator

• Regina B. Butler, RN

Nurse Practitioners

• Marilyn S. Blumenstein, MSN, CRNP
• Patricia Rettig, MSN, CRNP
• MaryLou MacDermott, MSN, CRNP

Nursing Staff

• Susan Gallagher, RN
• Miriam O'Neill, RN, BSN

Social Workers

• Whitney Gilmore, MSW, LSW
• Melina Martin, MSW, LCSW
• Michael Schiller, MSW, LSW

Program Coordinator

• Mary Louise Mattia

Research Nurse

• Ukeme Barnes, RN, BSN

Mid Atlantic Regional Coordinator

• Danielle Deery, JD, MURP

Resource Coordinators

• Stephanie Shealy