Danielle Doyle, APN

Kirsten Manzo, APN is a board-certified adult-gerontology nurse practitioner specializing in cardiology with a focused expertise in cardiac electrophysiology. Drawing on nearly a decade of critical care nursing experience, she transitioned from the ICU to provide compassionate, continuity-based care for patients with pacemakers, defibrillators, and arrhythmias. Kirsten forms strong, long-lasting relationships with her patients, guiding them from initial consultation through treatment and ongoing follow-up. She provides clear explanations, attentive management, and personalized support to enhance heart health outcomes.

Kristen Luttenberger, MSN, APN-C, CCRN-CMC, PCCN is a board-certified acute care nurse practitioner specializing in cardiology at St. Joseph’s Health. With nearly 25 years as an RN in telemetry, pediatric, medical–surgical, intensive, and coronary care, she draws on deep clinical experience to provide advanced care for patients with complex cardiac and progressive care needs. Dedicated to patient-centered care, Kristen builds strong provider–patient relationships and supports both bedside nurses and clinicians through mentorship and expertise. Patients and colleagues alike appreciate her thoughtful explanations, compassionate support, and unwavering commitment to delivering excellent cardiac and critical care outcomes.