Who we are? Your doctor, your Therapist, your Provider

---

Dr. Yissell Delvalle, MD, FASAM is a double board-certified physician in Psychiatry and Addiction Medicine who specializes in the treatment of depression, treatment-resistant depression, anxiety disorders, and addiction.

She earned her medical degree from UMDNJ–Rutgers Medical School in Newark, New Jersey, and completed her residency training in psychiatry at Saint Vincent’s Hospital in New York City. Dr. Delvalle graduated summa cum laude from Rutgers University, where she studied Biochemistry and Molecular Biology. Dr. Delvalle has received advanced training in Hormone Replacement Therapy under Dr. Rachel Rubin and is certified in peptide therapy through the International Society for Stem Cell Application (ISSCA). She is also a proud member of the American Academy of Anti-Aging Medicine (A4M).

Dr. Delvalle has extensive experience in general psychiatry, addiction medicine, psychotherapy, cognitive behavioral therapy (CBT), and psychopharmacology. She provides comprehensive, individualized care with a focus on patients who have not responded to traditional treatments.

Her clinical work includes the treatment of treatment-resistant depression using advanced therapies such as TMS and Spravato (esketamine), as well as the management of substance use disorders, dual diagnosis, and complex psychiatric conditions.

Dr. Delvalle also integrates women’s hormonal health into her approach, recognizing the impact of hormonal changes on mood, energy, and overall well-being.

Board Certified Psychiatrist

Board Certified Geriatric Psychiatrist

Dr. Omayra Ortiz is a Board Certified Psychiatrist, Board Certified Geriatric Psychiatrist, who graduated from Universidad Central Del Caribe Medical School in Puerto Rico. She specialized in Geriatric Psychiatry at New York Presbyterian Hospital (Cornell) and completed Psychiatry Residency at Mount Sinai School of Medicine. She exerts expertise in General Psychiatry, Geriatric Psychiatry, Individual Psychotherapy and psychopharmacology.

Advance Practice Nurse, Board Certified Psychiatric and Mental Health and  Family Health

Board Certified Psychiatric Mental Health and Family Health Nurse Practitioner. Graduated from University of Cincinnati, Cincinnati , Ohio  – Psychiatric and Mental Health Nurse Practitioner  and Pace University , New York, New York – Family Health Nurse Practitioner. Masters and Doctor of Psychology Graduate – California Coast University , Major in Clinical Administration.

Background Highlights.

New York University Langone Medical Center- Management of pain with co – occurring disorders in patient setting

Advance Practice Nurse, Board Certified Psychiatric and Mental Health, and Adult-Geriatric Primary Care

Board Certified Psychiatric Mental Health Nurse Practitioner and Adult-Geriatric Nurse Practitioner. Graduated from Hunter College, New York, NY- Psychiatric and Mental Health Nurse Practitioner and Adult-Geriatric Primary Care Nurse Practitioner.

Background Highlights

New York University Langone Health- Post-Surgical Pain Management with co-occurring disorders in the inpatient setting

Cassandra David is a Licensed Clinical Social Worker whom graduated in 2018 with a Masters in Social Work from Simmons University. Cassandra is licensed in New Jersey and New York. Cassandra has worked in multiple settings serving a diverse population of clients with different mental health needs, some of those settings include schools, community clinics and telehealth platforms.

Cassandra utilizes a psychodynamic and cognitive behavioral approach to assess and support a client’s mental health needs. Cassandra understands that each individual is unique therefore she tailors each treatment to the client’s perspective of their needs in psychotherapy and provides evidence based tools and support for an improved mental health outcome.

Andrea Wagner is a Licensed Clinical Social Worker who graduated from Rutgers School of Social Work first with a BSW degree and then with an MSW degree. She has a background working with those who struggle with severe and persistent mental illness in both a community based partial care setting and a community inpatient hospital setting. Andrea Wagner also has experience as a therapist at Integrity House, working with those who struggle with substance abuse issues as well as mental health issues.

Andrea Wagner specializes in Cognitive Behavioral Therapy and has been certified in this treatment approach.

Katie Smith is a License Clinical Social Worker who graduated from Kean University School of Social Work with a BSW degree and from Fordham University School of Social Work with an MSW degree. She has a background of working with those who struggle with mental illness in a community based partial care setting. Katie Smith specializes in Cognitive Behavioral Therapy.

Scholarly Highlights:

Kean University graduated in 2008 with a Bachelor’s Degree in Social Work

Fordham University graduated in 2010 with a Master’s Degree in Social Work

Seminar in Field Instruction from Columbia University in 2013

John Wagner is a Licensed Clinical Social Worker who graduated with a Master’s Degree from Rutgers School of Social Work. He has extensive experience working with adults who have been diagnosed with severe and persistent mental illness, including those with co-occurring substance use diagnoses. His experience working with clients includes both community based mental health and community inpatient hospital settings.

John understands the importance of client directed treatment and believes strongly in collaboration with clients to promote desired treatment outcomes. John utilizes Psychodynamic Theory, Family Systems Theory, and Motivational Interviewing with a focus in Cognitive Behavioral Therapy. John Wagner also has training in Trauma Competency.

Allison MacFadyen  is a Licensed Professional Counselor and Approved Clinical Supervisor who graduated from Elizabethtown College with a Bachelor of Science in Psychology and from Shippensburg University with a Master of Science in Mental Health Counseling. She has over 20 years' experience in direct service, supervisory and program development roles. Allison has worked in community mental health via community outreach, emergency crisis screening, supportive housing and outpatient modalities. Allison utilizes a person centered and strength-based approach when working with clients and employs Motivational Interviewing, Psychodynamic Principals as well as Cognitive Behavioral Therapy to assist clients with goal development and attainment to allow them to lead more emotionally fulfilling lives.