Aleah M. Sisitki, PA

Ava Wiegmann is a Physician Assistant in Bethel Park, Pennsylvania. Ms. Wiegmann is rated as an Experienced provider by MediFind in the treatment of Chronic Rhinosinusitis with Nasal Polyps (CRSwNP). Her top areas of expertise are Chronic Rhinosinusitis with Nasal Polyps (CRSwNP) and Aseptic and Alopecic Nodules of Scalp (AANS).

With 12 years of experience as a Physician Assistant, Mary Katherine Wray, PA-C, brings a unique blend of clinical expertise, compassion, and efficiency to her role at Genesis Medical. Practicing at Heyl Family Practice’s McCandless office—located on the UPMC Passavant McCandless campus—Mary Kate splits her time between hospital rounds in the mornings and outpatient visits in the office throughout the week.Highly regarded by both patients and colleagues, Mary Kate is known for delivering exceptional care rooted in empathy, attentiveness, and respect. Her patients consistently describe her as thorough, friendly, and efficient, often noting how valued and heard they feel during each visit.Mary Kate’s care approach is grounded in accessibility and clinical excellence. She provides timely, high-quality care—especially in urgent situations—without compromising on the personal connection that builds strong, trusting relationships. Her ability to explain complex medical issues in a clear, actionable way empowers her patients to make informed decisions about their health.Whether rounding at the hospital or meeting with patients in the office, Mary Kate Wray, PA-C, is a trusted and personable provider who remains committed to supporting the health and well-being of every individual she serves.Mary Kate is currently accepting new patients at the McCandless office. She offers afternoon appointments Monday-Friday. Ms. Wray is rated as an Experienced provider by MediFind in the treatment of Chronic Rhinosinusitis with Nasal Polyps (CRSwNP). Her top areas of expertise are Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Protein Deficiency, Seasonal Affective Disorder (SAD), and Heart Failure with Preserved Ejection Fraction (HFpEF).

Angela Ettinger is a Physician Assistant in Morgantown, West Virginia. Ms. Ettinger is rated as an Experienced provider by MediFind in the treatment of Chronic Rhinosinusitis with Nasal Polyps (CRSwNP). Her top areas of expertise are Chronic Rhinosinusitis with Nasal Polyps (CRSwNP) and Vocal Cord Dysfunction. Ms. Ettinger is currently accepting new patients.