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Christa DeFries, MD

Staff Psychiatrist
Languages
English
SPECIALTIES
Anxiety
Depression
LGBTQIA+
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Phobias
Tics/Tourette Syndrome
Medication Management

Education and training

  • Wellesley College, BA
  • UT Southwestern Medical Center, MD
  • Baylor Scott and White Texas A&M College of Medicine, Residency

Get to know

Christa DeFries, MD

Background  and credentials    

Dr. Christa DeFries is a board-certified Adult Psychiatrist. She earned her  medical degree from UT Southwestern Medical School in Dallas, Texas, and  completed her residency in Adult Psychiatry at Baylor Scott & White in  Temple, Texas. Following residency, Dr. DeFries gained additional experience  treating homeless and formerly homeless populations in New York City,  particularly focusing on individuals with histories of trauma and substance  addiction, prior to joining Talkiatry.    

Treatment approach    

Dr. DeFries practices Adult Psychiatry, employing an integrative treatment  approach combining medication management, psychotherapeutic methods, and  lifestyle modifications. She recognizes that each patient benefits from a  personalized mix of these three aspects of care. Dr. DeFries specializes in  treating diverse psychiatric conditions, including those related to trauma,  substance addictions, and various mental health disorders.    

What you can expect in a first visit    

In a first visit with Dr. DeFries, patients can expect a comprehensive  evaluation aimed at understanding their individual mental health history,  specific concerns, and overall treatment goals. Dr. DeFries emphasizes an  individualized approach, carefully exploring the best combination of  medication, therapy, and lifestyle adjustments tailored specifically to each  patient's needs. Patients can anticipate an empathetic and collaborative  environment focused on their personal experiences and goals.    

Why Talkiatry?    

We’re a virtual mental health practice that makes it easy to find great  care. We combine quality and convenience to help you thrive—faster. Our  providers, like this one, are highly trained experts who specialize in  medication management and collaborate with you on a treatment plan that fits  your needs and comfort level.

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Dr. Romanow is double board-certified in Adult Psychiatry and Forensic Psychiatry. He graduated summa cum laude from the University of Pittsburgh with a Bachelor of Science degree in Sports Medicine/Athletic Training and then attended Drexel University College of Medicine. After medical school, he completed his residency in Adult Psychiatry at the University of Virginia, where he obtained a certificate in additional psychotherapy training. After residency, Dr. Romanow completed a fellowship in Forensic Psychiatry at the University of Virginia. During his fellowship, he trained at the prestigious Institute of Law, Psychiatry, and Public Policy (ILPPP) and Western State Psychiatric Hospital where he performed criminal and civil forensic evaluations. He also provided clinical care at a maximum security prison. Prior to joining Talkiatry, Dr. Romanow worked at a healthcare system in Montana providing inpatient and outpatient psychiatric care involving medication management and psychotherapy. Additionally, he operates a private forensic psychiatry practice that conducts mental health evaluations for the legal system. Dr. Romanow has extensive experience treating various mental health disorders including depression, bipolar disorder, anxiety and obsessive-compulsive disorders, post-traumatic stress disorder, and ADHD. His clinical work includes assisting patients who experience mental health disorders with co-occurring substance use problems. He has training in various schools of psychotherapy including cognitive behavioral therapy (CBT), CBT for insomnia, motivational interviewing and supportive psychotherapy. Dr. Romanow incorporates treatment focusing on the importance of exercise, diet, and good sleep habits as a part of comprehensive mental health care.‍

Amareen Dhaliwal, MD

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Dr. Dhaliwal works with individuals who feel stuck—functioning on the outside but "not like myself" inside. Her warm, structured, and research-driven approach combines medication when needed with integrative tools such as CBT, lifestyle changes, "24-hour approach", and a bio-psycho-social-spiritual lens. She focuses on root causes and helps individuals gain clarity, momentum, and purpose to function at their highest level across home, career, and life.

Dr. Dhaliwal begins with a 360-degree assessment exploring emotional patterns, routine, physical health, neurobiology, and values. Her 24-hour optimization model supports intentional living, clarity, and structure. She fine-tunes medications and augments with an integrative tools to enhance mood, resilience, and wellbeing. Her care is shaped by years in psychiatry and over a decade of coaching future physicians, researchers, and life coaches to reach their highest academic and career potential.

Serena Mirchandani, PMHNP

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Serena’s approach is grounded in open communication, evidence-based care, and deep respect for each patient’s lived experience. She prioritizes a collaborative, safe space where individuals feel heard, respected, and empowered. Her holistic style supports honest conversation, transparency in treatment options, and patient-centered goals.

Serena begins with a comprehensive assessment to understand each patient's full story—biological, psychological, and social. She then partners with patients to develop personalized, evidence-based treatment plans that align with their values and goals. She emphasizes education, transparency, and regular follow-up to support ongoing progress and informed decision-making.

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Xavier Diao, MD (he/him) is a board-certified psychiatrist. He earned his undergraduate degrees in Psychology and Biological Sciences at the University of Maryland, where he also obtained his medical degree. Dr. Diao completed his psychiatry residency at the Icahn School of Medicine at Mount Sinai, received additional training in child and adolescent psychiatry at Columbia and Cornell, and finished a psychoanalytic fellowship at the New York Psychoanalytic Society & Institute. Prior to joining Talkiatry, he was an Assistant Professor of Clinical Psychiatry at the University of Pennsylvania, where he provided clinical care and teaching along the undergraduate-graduate medical education continuum.

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Dr. Laura Mayol is double-boarded in child and adolescent psychiatry and adult psychiatry. She has been practicing for over 12 years. Dr. Mayol practice focuses on medication management, which is offered in conjunction with supportive therapy offered in 30 min visit follow-up visits. However occasionally Dr. Mayolmay believe additional therapy is needed and ask you to bring a therapist into your care team to provide the best outcome.

Dr. Mayol received her medical degree from the University of Puerto Rico School of Medicine in San Juan, Puerto Rico. She completed her residency in adult psychiatry at Jackson Memorial Hospital in Miami, FL. She pursued her fellowship in child and adolescent psychiatry at the University of Florida, in Gainesville. After completing training, Dr. Mayol worked with children and adult in a variety settings including Community Mental Health Centers and hospitals, providing both inpatient and outpatient services.

Dr. Mayol then became a Clinical Assistant Professor for the University of Florida Department of Psychiatry and provided clinical services for UF Student Mental Health at the Counseling and Wellness Center. While treating a wide variety of patients, her clinical focus has been on treating adolescents and young adults with mood and anxiety disorders

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Staff Psychiatrist

Dr. Kerry O'Leary is a board-certified adult psychiatrist who joined Talkiatry after she completed her psychiatry residency. Dr. O'Leary provides patient-centered care and understands the importance of actively involving patients in their treatment journey. She believes that every patient deserves personalized care tailored to their unique needs and circumstances. She utilizes evidence-based treatments combined with a comprehensive approach to address not only the symptoms but also the underlying factors contributing to her patients' distress. Although her practice focuses on medication management, she also provides supportive therapy and may recommend more intensive therapy when indicated. Dr. O'Leary approaches each patient with empathy and understanding, fostering a supportive and nonjudgmental environment. Dr. O'Leary completed her undergraduate training at The University of Texas at Austin and pursued her medical degree at The University of Texas Medical Branch in Galveston. She also graduated with a Master's in Public Health from Columbia University in New York. She went on to complete her general adult psychiatry training at Baylor College of Medicine in Houston. Dr. O'Leary focuses on treating the adult population from ages 18+. She utilizes both pharmacological and psychotherapeutic treatment interventions and has experience in treating a variety of diagnoses including depression, anxiety, bipolar disorder, insomnia, PTSD, OCD, and psychotic disorders.

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Specialties
Anxiety
Depression
LGBTQIA+
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Phobias
Tics/Tourette Syndrome
Medication Management
States
Texas
California
Languages
English
Takes insurance
Virtual visits
1 years experience