3124 Wilmington Road, New Castle, PA 16105 l Mayzon Health Center Suite 304 (724) 856-8620

Compassionate Care That Changes the Outcomes

BrainsWay Deep TMS for Depression is Now Available at CMHS

BrainsWay Deep TMS for OCD is Now Available at CMHS

MagVenture TMS for Major Depression is Now Available at CMHS

Meet the Staff at Compassion Mental Health Services



The psychiatrists at Compassion Mental Health Services of Pennsylvania, PLLC. are board-certified, fellowship trained physicians competent in today’s modern diagnostics, treatments, procedures and equipment.



Santiago Almanzar, M.D.  Adult Psychiatrist 

Dr. Almanzar specializes in management of patients with severe and persistent Mental Illnesses and is dedicated to providing you outstanding and personalized mental health care. Dr. Almanzar has been known for his commitment and passion for his work throughout his academic career.

Dr. Almanzar has been Board certified by the American Board of Psychiatry and Neurology (ABPN) and is a General and Forensic Psychiatrist. He completed his residency training in General Psychiatry at Mount Sinai School of Medicine and sub-specialties in Forensic Psychiatric and Psychoanalytic Psychotherapy at the University of Missouri School of Medicine and Psychoanalytic Institute, New York University, School of Medicine.Dr. Almanzar completed his advanced Transcranial Magnetic Stimulation fellowship at Duke University School of Medicine. 

He completed his Medical training and graduated Magna Cum Laude from the Universidad Autonomy of Santo Domingo. He has published several peer-reviewed articles in reputable medical journals such as the Journal of the American Academy of Psychiatry and the Law, the Journal of Psychosomatics, and the Journal of Annals of Global Health (formerly known as the Mount Sinai Journal of Medicine). Dr. Almanzar is a fellow of the American Psychiatric Association and active member of the American Medical Association, the American Academic of Psychiatry, the Clinical TMS society and the Law and Mount Sinai Alumni Association. He has published several peer-reviewed articles in reputable medical journals. 



Raquel Diaz Guerrero, M.D.  Child and Adolescent Psychiatrist 

Raquel Diaz, M.D. specializes in managing children and adults with severe mental health conditions, including attention deficit hyperactivity, attention deficit disorder, mood disorders, autism spectrum disorders, anxiety disorders, and behavioral problems. 

Dr. Diaz completed her training in psychiatry at Weill Cornell Medical College–Lincoln Medical and Mental Health Center in New York, NY, and in child psychiatry at the University of Missouri. Dr. Diaz has been certified by the American Board of Psychiatry and Neurology and been recognized as a top doctor in Sharon, PA, by the International Association of Healthcare Professionals (IAHCP).  Dr. Diaz is a certified Transcranial Magnetic Stimulation provider.




Meet Our Supporting Staff

Our team consists of dedicated individuals who are kind, friendly, and caring, as well as experienced and energetic. We share the goal of communicating well with our patients and providing them with the best care possible. Professionalism, communication, and quality health care are our strengths. Our staff is here to ensure a pleasant experience during your visit to our office. 


Teresa Henderson, RHIT Patient Relations 

Teresa earned a Bachelor of Science in health information management from the University of Cincinnati and an associate degree, with honors, from the CAHIIM-accredited Health Information Management program at Eastern Gateway Community College. Exceptionally passionate about helping people, Teresa is highly skilled in communication, engagement, and treating patients and their families with dignity and respect.  

Sarah Kashmer  Billing Manager 

Elizabeth Prentice  Intake Coordinator

Shainne Jackson  TMS Technician


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