Michael Underriner, MD

Dr. Pereira is a board-certified adult psychiatrist who is dedicated to providing compassionate care for a wide range of mental health concerns. He received his Bachelor of Arts from Harvard University and his medical degree from The Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, where he graduated with the Department of Psychiatry's award of distinction. He went on to complete his psychiatric residency training at Northwell Health's Zucker Hillside Hospital, with a specialization in the assessment and treatment of obsessive compulsive disorder and related conditions. Dr. Pereira's clinical approach emphasizes building trust with his patients and working collaboratively to develop an individualized treatment plan. He uses medication management along with cognitive behavioral therapy, exposure and response prevention, psychodynamic psychotherapy, interpersonal psychotherapy, and supportive therapy as needed. His practice treats a wide range of conditions, including depression, anxiety, OCD, family and relationship struggles, and other mental health issues. He has been trained in a wide range of settings including inpatient, outpatient, emergency departments, and behavioral health crisis centers. He also has experience teaching and supervising medical students and psychiatry residents.

Dr. De Paz received his medical degree from the University of Texas Medical Branch in Galveston, TX, and has been practicing for 9 years. He completed his psychiatric residency and child and adolescent psychiatry fellowship training at the University of Texas Medical Branch. After completing training, he worked at the Center for Health Care Services in San Antonio, TX. He worked with special needs children and adults who required the highest level of care both behaviorally and medically. He then continued his treatment of children and young adults at CommuniCare Health Center also in San Antonio. He served as Director of Behavioral Health for CommuniCare for 4 years. Dr. De Paz completed his undergraduate studies in Psychology and Biology at the University of Houston in Houston, TX. While having treated a wide variety of patients, his primary clinical focus has been the treatment of ADHD in children and adults, and working with special needs children and adults who may have Autism Spectrum Disorder or other Intellectual or Developmental Disabilities. Dr. De Paz's practice focuses on medication management. He offers medication management evaluations and follow-up visits. If the need arises, he works with licensed therapists to provide behavioral support.

Cherie Tubeileh, PMHNP-BC, is a compassionate Psychiatric Nurse Practitioner dedicated to providing personalized, evidence-based mental health care. Cherie earned her master’s degree from the Medical College of Ohio and her post-master’s certification from Rush University. Outside of work, she enjoys hiking, yoga, and meditation, reinforcing her belief in the importance of balance and self-care.

With expertise in diagnosing and treating various conditions, she empowers patients through psychopharmacology and therapeutic interventions. Cherie embraces a holistic approach, recognizing the vital connection between mind, body, and spirit in the journey to mental wellness.

Her approach integrates evidence-based practices with a holistic understanding of everyone’s unique needs, ensuring personalized and effective care. Cherie has worked extensively with diverse populations, including individuals managing anxiety, depression, trauma, and mood disorders. She is skilled in psychopharmacology, therapeutic interventions, and patient education, fostering a supportive environment that empowers individuals on their journey to wellness.

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Dr. Thomas O’Brien holds a Bachelor of Science degree from the University of Wisconsin–Madison and earned his medical degree from Midwestern University Chicago College of Osteopathic Medicine. He completed his psychiatry residency at Loyola University Medical Center. Dr. O’Brien has experience practicing across outpatient, PHP, IOP, and inpatient settings.

He strives to create a supportive environment where patients feel heard, respected, and understood. His approach emphasizes a holistic, whole-person method to healing, guided by the patient’s own goals and values. Dr. O’Brien integrates psychotherapy with medication management, drawing on his background in psychodynamic psychopharmacology and acceptance and commitment therapy.

Dr. O’Brien focuses on understanding each patient as a whole to create individualized treatment plans. This begins with a comprehensive history during the initial session to identify biopsychosocial factors. Treatment is then tailored to align with the patient’s unique goals and values, promoting meaningful progress.

Dr. Maaeesha Pushpita, MD, is a board-certified psychiatrist with experience caring for patients across all age groups in both inpatient and outpatient settings. She holds a special interest in college-age populations, women’s and reproductive health, trauma-related care, nutritional psychiatry, and psychodynamic psychotherapy and psychopharmacology. Dr. Pushpita earned her medical degree from Northeast Ohio Medical University and completed her psychiatry residency at OhioHealth Riverside Methodist Hospital.

Dr. Pushpita’s approach to care is patient-centered, holistic, empathic, evidence-based, and culturally competent. She values building trust and fostering an environment where patients feel heard, supported, and empowered in their care.

In the initial session, Dr. Pushpita takes time to understand each patient’s history, concerns, and goals. She carefully rules out underlying physical conditions that may impact mental health and cognitive functioning, and collaborates with patients to identify lifestyle changes that can support their well-being. Treatment plans are tailored, evidence-based, and designed to be practical and achievable.

Dr. Stephen Byrd is a clinical psychiatrist at Talkiatry. He is board-certified in both psychiatry and addiction medicine. He has been practicing for over 31 years in a wide variety of settings, including working with inpatients and outpatients in private practice, community mental health, geriatric, VA, and community hospital/medical center settings. Dr. Byrd's practice focuses on evidence-based medication management, usually provided in conjunction with 30-minute supportive psychotherapy, which is informed by cognitive behavior therapy, psychodynamic psychotherapy, and motivational enhancement. When more intensive therapy is needed, Dr Byrd may ask you to include a therapist as part of your care team. He received his medical degree from the University of Cincinnati College of Medicine in Ohio and completed his residency training in psychiatry at Case Western Reserve University School of Medicine, University Hospitals of Cleveland. Throughout his career, he has treated patients with a wide variety of conditions in both inpatient and outpatient settings. Additionally, He has served as director of inpatient geropsychiatry at Lutheran Hospital in Cleveland, Ohio, program manager of the substance abuse treatment program at the Charlie Norwood Veterans Affairs Medical Center in Augusta, Georgia, and medical director of outpatient behavioral health at Saint Alphonsus Regional Medical Center in Boise, Idaho. Throughout his career, Dr. Byrd has been active in training medical students and psychiatry residents, and he has held clinical teaching appointments at Case Western Reserve University School of Medicine, Northeastern Ohio Universities College of Medicine, Medical College of Georgia, University of Washington School of Medicine, Idaho College of Osteopathic Medicine and Pacific Northwest University of Health Sciences College of Osteopathic Medicine.�.�