Merceditas Villanueva, MD

Associate Professor of Medicine (AIDS)

Departments & Organizations

AIDS Care Program

Internal Medicine: HIV Training Track | Infectious Diseases: AIDS Care Program | Viral Hepatitis Program | Yale/Stanford J&J Global Health Scholars Program

Yale Medicine

Office of Cooperative Research


Dr. Villanueva is Director of the HIV/AIDS Program and Associate Professor of Medicine at Yale University School of Medicine. She obtained her undergraduate degree at Harvard University and MD at Washington University. She completed Internal Medicine Residency training at Duke University and subspecialty fellowship training in Infectious Diseases at Yale.

After fellowship, she left academia to work at Waterbury Hospital, a community hospital, where she was Chief of Infectious Diseases. During this time, she established the Ryan White-funded HIV clinic which worked closely with community based AIDS organizations. Her experience in promoting collaborations became the basis for subsequent research interests and her recruitment back to Yale.

A major focus of her academic work has been on developing HIV educational curricula for medical providers including Yale house staff and community providers throughout CT. She also serves as the Principal Investigator for the New Haven Ryan White HIV Continuum, a collaboration between different clinics and community organizations which promotes service coordination to improve quality of care for HIV patients, particularly those that are underserved. Her research interests focus on optimizing models of care that capitalize on partnerships between the medical establishment and community support.

Education & Training

MD Washington University (1985)
Fellow Yale University School of Medicine
Resident Duke University
Resident Muhimbili Medical Center
Board Certification AB of Internal Medicine, Internal Medicine (1988)
Board Certification AB of Internal Medicine, Infectious Diseases (1992, recertified: 2013)

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Contact Info

Merceditas Villanueva, MD
Patient Care Locations
Nathan Smith ClinicLippard Lab for Clinical Investigation
15 York Street

New Haven, CT 06510
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Yale Infectious DiseasesYale New Haven Hospital
20 York Street

New Haven, CT 06510
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Mailing Address
PO Box 208056
333 Cedar Street

New Haven, CT 06520-8056