“I partner with my patients and work with them to develop an individualized treatment plan based on their specific needs. My focus is patient-first, and my goal is always optimal health for my patients. I believe trust and honesty are key elements in the patient-physician relationship, and I work closely with my patients to keep them well.”

Board Certifications

  • Infectious Disease
  • Internal Medicine



Duke University Medical Center
Infectious Disease
Durham, NC

Internship and Residency

Johns Hopkins Hospital
Internal Medicine
Baltimore, MD
1979 and 1981

Medical School

University of Virginia School of Medicine
Doctor of Medicine
Charlottesville, VA

Hospitals Affiliated With

Lynchburg General Hospital
Virginia Baptist Hospital

Professional Associations

American College of Physicians (ACP)

Hepatitis C Treatment Center
Medical Director

Infectious Diseases Society of America (IDSA)

Ryan White Clinic for HIV Care

Academic Appointment

Duke University Medical Center
Chief Resident


Dr. Brennan is board certified in infectious diseases and specializes in treating patients with HIV and hepatitis C. He received his medical degree from the University of Virginia, completed his internal medicine training at the Johns Hopkins Hospital and his fellowship in infectious disease at Duke University Medical Center where he was also chief resident in the Department of Medicine. He has been a recipient of the “Best Doctors in America” award since 1996 and was awarded the “John Bell Clinical Excellence Award” by the Centra Board in 2012. Dr. Brennan is a clinical assistant professor at the University of Virginia School of Medicine, medical director of the Hepatitis C Treatment Center and Co-Director of the Ryan White Clinic for HIV care.