Dr. Tiyouh completed an Infectious Disease Fellowship at Hahnemann Hospital/Drexel University College of Medicine and completed her Residency in Internal Medicine at SUNY Downstate Medical Center, in Brooklyn, NY. She completed her medical education at the American University of Antigua School of Medicine in Antigua, WI.
- Our Practicesprimary care providers
- Keystone Health
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Catherine Street - Keystone Behavioral Health
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Catherine Street - Keystone Chiropractic
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Catherine Street - Keystone Women’s Care
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- Keystone Pediatrics - Chambersburg
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Catherine Street - Keystone Internal Medicine
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Catherine Street - Keystone Infectious Diseases
- Keystone Pediatric Developmental Center
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- Our Programsvariety of special programs
- Agricultural Worker Program
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- The Keystone Breastfeeding Center
- Keystone Pediatrics at CASHS
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- HIV Program
- Keystone Center for Interventional Psychiatry
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