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Mount Nittany Health Welcomes Alyssa M. Sebastianelli, MSN, BSN, CRNP, DNP

Mount Nittany Health Welcomes Alyssa M. Sebastianelli, MSN, BSN, CRNP, DNP

Mount Nittany Health is pleased to introduce Alyssa M. Sebastianelli, MSN, BSN, CRNP, DNP, as a new provider with Mount Nittany Health Gastroenterology. With her deep-rooted ties to the Centre County community and a fervent dedication to providing personalized, patient-centered care, Alyssa will be an asset to our team.

Alyssa was drawn to Mount Nittany Health because of its strong reputation. “Mount Nittany Health is known for being a regional leader in inpatient healthcare, and they have amazing providers focused on providing quality care across many service lines in healthcare,” she shared.

As a gastroenterology specialist, Alyssa’s care philosophy centers on personalized, patient-centered, and evidence-based care. “My expertise lies in gastroenterology conditions; I aim to prevent, diagnose, and treat, thereby enhancing patients’ quality of life,” she explained.

Alyssa finds inspiration in her role by walking her patients through their healthcare journey. “I really enjoy acting as a counselor to patients in their healthcare journey. I’m here to support and help them, answer their questions, and ease their worries,” she shared.

Alyssa holds a Bachelor of Science in Nursing and a Master of Science in Nursing from Penn State, where she recently completed her Doctor of Nursing Practice (DNP) with a focus on leadership. Her DNP project, “Self-Management of Ascites in Patients with Cirrhosis,” showcases her commitment to improving patient outcomes and quality of life.

Outside of work, Alyssa enjoys spending time with family, friends, and her dog, Gigi. She is an avid fan of Penn State athletic events and loves engaging in outdoor activities.

“I’m very fortunate to have grown up and reside in Centre County. I have a strong sense of community, and I love that the region has a strong emphasis on well-being and quality healthcare,” she shared.

With her extensive education, diverse experience, and passion for providing personalized care, Alyssa is a welcome addition to Mount Nittany Health. We are confident that her expertise and dedication will significantly enhance the care we provide to our patients.

Mount Nittany Health Gastroenterology puts you and your digestive health first. We understand that dealing with digestive issues can be challenging, and our approach is all about providing evidence-based medicine to meet your needs. If you are interested in scheduling an appointment, please contact 814.278.4631 or visit