About Us

About Gateway Recovery Institute

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Gateway Recovery Institute is an office-based practice specializing in diagnosis and medical care of substance use disorders, mental health, overall wellness, and preventative medicine. Our team strives to improve and maintain the quality of life for all of our patients. We utilize evidence-based research, protocols, and innovative therapies. In our office, we work as a team with other healthcare professionals to provide a comprehensive treatment plan tailored to the individual needs of each patient. We are committed to treating our patients with respect, empathy, and compassion.

 

Our goal is for our patients to capture every vivid moment of life and maintain a healthy lifestyle. We are confident we can achieve this goal together.  

 

Feel the genuineness of excellence in patient care.

Meet our team of professionals

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Brian J. DeLisio, MD
  • Residency: Yale University School of Medicine

  • Board Certified in Anesthesiology

  • Practicing for over 10 years

  • President & CEO of Gateway Recovery Institute

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Steven Karp DO, FACN
  • Philadelphia College of Osteopathic Medicine

  • Dual Board Certified in Adult and Addiction Psychiatry

  • Practicing over 30 years

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Shawn E. Sullivan, MD
  • Residency:  Yale University School of Medicine

  • Board Certified in Anesthesiology

  • Practicing for over 10 Years

  • Executive Director of Gateway Recovery Institute

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David P. Stein, MD
  • Residency:  Yale University School of Medicine

  • Board Certified in Anesthesiology

  • Practicing for 10 Year