Meet The CARMAhealth Addiction Doctors and Staff

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Addiction treatment, and all other types of medical and behavioral care, relies heavily on the combination of expertise, humanity and warmth. At CARMAhealth, we are exceedingly proud to say that our staff exemplifies all of these qualities to provide the highest-quality and most compassionate care for you or your loved one. Our staff is comprised of world-class addiction doctors, therapists and nurses.

Carlos Tirado
Carlos TiradoFounder and CMO
Dr. Tirado’s clinical expertise in addiction treatment and different systems of care has directly informed the fabric of our program, and ensured quality care for all of our patients.
David Kramer
David KramerMedical Director
Dr. Kramer is board certified in General Psychiatry and has worked in the Addiction Psychiatry field for over 20 years. His leadership and guidance have helped CARMAhealth grow.
David Walsh
David WalshChief Operations Officer
David is a board-certified Family Psychiatric-Mental Health Nurse Practitioner whose primary area of interest is working with families struggling with addiction repair their family dynamic.
Steven Powell
Steven PowellMedical Director
CARMAhealth’s Medical Director Dr. Steven Powell is board certified in Family Medicine, and is a member of the American Academy of Family Physicians and the Texas Academy of Family Physicians.
Isela Werchan
Isela WerchanGeneral Psychiatry
Dr. Isela Werchan is board certified by the American Board of Psychiatry and Neurology in General Psychiatry. She has helped our patients rebuild their lives and thrive in recovery.
Becky Scaduto
Becky ScadutoNurse Practitioner
Becky is a board-certified Psychiatric-Mental Health Nurse Practitioner trained to treat mental disorder. Her background in research and evidence-based practice has helped her provide quality treatment for her patients.
Sally Reese
Sally ReeseFamily Nurse Practitioner
Sally is dual certified as a Family Nurse Practitioner and a Psychiatric Mental Health Nurse Practitioner. Her dual certification and her years of clinical expertise have enabled her to help virtually every patient in our behavioral health population.
Claire Whitehead
Claire WhiteheadFamily Nurse Practitioner
Claire is a board-certified Family Nurse Practitioner, licensed and trained in health promotion and disease prevention, and direct, acute and chronic healthcare services.
Beth Sullivan Jawitz
Beth Sullivan JawitzNurse Practitioner
Beth is a board-certified Psychiatric-Mental Health Nurse Practitioner, licensed and trained to treat substance use disorders and behavioral health issues in the adult population.
Caroline Hedenberg
Caroline HedenbergCollaborative Care Clinician
Caroline has been in practice as a Social Worker since 2003, and has worked in the inpatient social work and utilization review areas of healthcare, through which she has gained considerable expertise.
Amanda Simonton
Amanda SimontonPsychiatric Nurse Practitioner
Amanda is a board-certified Psychiatric-Mental Health Nurse Practitioner. Her clinical and research focus is to improve recovery for individuals with substance use disorder.

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