Joseph Impellizeri, PMHNP-BC | Renewal Psychiatry

At Renewal Psychiatry LLC, we provide integrative mental healthcare, utilizing all tools possible to create personalized treatment plans that help you become your best self.

Our Mission

Our Approach

We believe in an integrative approach to mental health, focusing on individualized care that empowers you to renew your life and achieve optimal well-being through tailored strategies and compassionate support.

Joe Impellizeri is a Board-Certified Psychiatric–Mental Health Nurse Practitioner with a broad and meaningful healthcare background, shaped by years at the patient bedside in emergency medicine and inpatient psychiatry. These early clinical experiences gave him firsthand insight into the powerful connection between mental and physical health and sparked a passion for providing care that focuses on an integrative approach to health and emotional well-being.

He believes that emotional wellbeing, physical health, lifestyle habits, and life circumstances are deeply interconnected. With this in mind, he takes an integrated approach to care, working closely with patients to understand the full context of their experiences and helping them make informed decisions that support lasting mental and physical wellness.

In addition to his outpatient practice, Joseph continues to moonlight at Yale New Haven Hospital, allowing him to remain engaged in the fast-paced, acute setting of hospital based psychiatric care.

Above all, Joseph is committed to creating a compassionate and supportive environment where patients feel heard, respected, and empowered to pursue meaningful, sustainable change.

Psychiatric Nurse Practitioner

Joseph Impellizeri, APRN, PMHNP-BC

Administrative Assistant | Registered Dietitian

Kelly Grebner, MPH, RD

Kelly is a former college athlete turned dietitian with experience working with professional sports, private practice, and functional health. She may be answering your phone calls and asking any questions you have throughout the intake process but Kelly's main work is as our consulting Registered Dietitian, if you are interested in nutrition guidance, she would love to work together!

Clinical Operations Manager | Physician Assistant

Tracy Campbell PA-C

Tracy is a Physician Assistant and the Practice Manager at Renewal Psychiatry. She combines clinical expertise with hands-on leadership to support both patient care and practice operations. Tracy has a special interest in women's mental health and is licensed to comprehensively evaluate, diagnose and prescribe medications. Tracy also has specialized experience in prescribing and treating for medical weight loss, allowing her to address the critical connection between mental health, metabolic health, and long-term outcomes. She brings extensive experience from Yale New Haven Hospital, having worked in the Emergency Department and surgical settings, which shaped her thoughtful, patient-centered approach to care. As Practice Manager, she also guides patients through intake, scheduling, and insurance processes to ensure a seamless and supportive experience. Please do not hesitate to reach out to her with any questions or concerns!

Psychiatrist & Medical Director

Dr. Nancy Abdel-Wahab MD