Meet Our Team

Dr. Zywicki, DNP, PMHNP-BC

Chief Executive Officer

Dr. Eric Zywicki, PMHNP-BC, is a Board-Certified Psychiatric Mental Health Nurse Practitioner dedicated to providing compassionate, patient-centered care. With a strong commitment to advocacy, Dr. Zywicki believes that each patient’s experience is unique and often shaped by unspoken challenges or crises. He prioritizes understanding these subtle nuances to deliver comprehensive and individualized treatment.

Dr. Zywicki brings extensive experience in treating a wide range of mental health conditions, including grief and loss, depression, anxiety, personality disorders, ADHD, and eating disorders. His clinical background spans diverse healthcare settings such as emergency rooms, intensive care units, family practice, and psychiatric care—equipping him with a broad, integrative perspective on patient wellness.

Known for his empathy and willingness to step in during times of need, Dr. Zywicki remains a steady and supportive presence for both patients and colleagues. Outside of his professional work, he enjoys staying active, surfing, and spending quality time with his family.

Eric offers both in-person and telehealth appointments and is currently accepting new patients.

Our Team of Licensed Professionals

Join Our Provider Network

At Serenity Falls Behavioral Health, we’re building more than a practice; we’re creating a collaborative network of passionate providers dedicated to making a real difference in the lives of individuals and communities.

We welcome partnerships with skilled and compassionate professionals, including:

  • Psychiatric Mental Health Nurse Practitioners (PMHNPs)

  • Family Nurse Practitioners (FNPs)

  • Medical Doctors (MDs)

Whether you specialize in psychiatry, family medicine, or mental health, we invite you to connect with us and explore the opportunity to be part of an ever-growing practice committed to delivering high-quality, evidence-based care.

Interested in joining?

Reach out to us at info@serenityfallsbehavioralhealth.com for more information on how you can become part of our dynamic provider network.

Dr. Martin Calixterio, DNP, PMHNP-BC

Dr. Martin Calixterio, DNP, PMHNP-BC is a compassionate and skilled mental health provider who is passionate about helping individuals improve their emotional well-being and lead more fulfilling lives. He specializes in treating a range of mental health concerns, including anxiety, depression, mood disorders, PTSD, and life stressors. Martin is also experienced in supporting individuals through relationship challenges, grief, and personal growth.

Known for his warm, supportive, and non-judgmental style, Martin strives to create a safe space where patients feel heard, understood, and empowered. He is committed to working collaboratively with each patient to build resilience and achieve lasting change.

Martin offers both in-person and telehealth appointments and is currently accepting new patients.