Skip to main content

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.

Get matched with a clinician like this one

Ready to book your first appointment? Take our 10-minute assessment. We’ll match you with a clinician who meets your needs, has availability, and takes your insurance.

Get started
More Clinicians

Sabrina Ghim, MD

Staff Psychiatrist

Dr. Sabrina Ghim is a board-certified physician specializing in adult psychiatry and practices adult psychiatric medication management. She focuses on building a strong therapeutic and collaborative environment with patients. She works with individuals struggling with depression, ADHD, obsessive compulsive disorder, anxiety disorders, including generalized anxiety, and social anxiety. Dr. Ghim usually meets with patients monthly for psychiatric follow up appointments. She provides psychiatric medication management in a comprehensive manner, paying careful attention to each patient's unique biological, psychological, and cultural make-up. She is diligent about keeping up-to-date on the research and expanding frontiers of psychiatry and psychopharmacology. She strongly believes in tailoring treatment in an integrative and collaborative manner to provide the best outcome for each unique patient. In some instances, Dr. Ghim may recommend the addition of a separate therapist in order to help facilitate the best care possible. Dr. Ghim experienced various cultures growing up in different countries and environments, shaping her open-minded demeanor and views, and eventually her interest in the human mind and psychiatry. She earned her bachelor's degree in Molecular Biology with honors, and a Doctor of Medicine (M.D.) degree from the University of Central Florida College of Medicine. She completed her Adult Psychiatric Internship and Residency training in New York City, at the Mount Sinai Morningside and West Hospitals, where she treated a diverse patient population with psychiatric illnesses in emergency, inpatient, and outpatient settings. Dr. Ghim is currently licensed in and seeing patients located in the states of New York, Florida, and Texas for medication management.

Tracy King, PMHNP

Staff Nurse Practitioner

Tracy King, PMHNP-BC, is a compassionate and board-certified psychiatric nurse practitioner dedicated to supporting individuals on their mental health journeys. She holds a Master of Science in Nursing from The Ohio State University and has experience working with individuals across the lifespan.

Tracy has worked in a variety of clinical settings, addressing a broad range of mental health concerns. She is driven by a strong commitment to serving those in need and takes pride in delivering trauma-informed, evidence-based care tailored to each individual’s unique circumstances.

Her approach centers on creating a supportive environment where patients feel heard, valued, and empowered. Tracy’s goal is to help individuals build resilience, enhance well-being, and achieve meaningful, lasting change.

Believing that each person is the expert in their own life, Tracy takes time to listen, understand, and build genuine connections. She collaborates closely with her patients to develop care plans that reflect a whole-person perspective.

Tracy emphasizes shared decision-making and a holistic approach to mental health care. Her calm, positive demeanor and approachable communication style foster trust and openness, allowing her to build strong therapeutic relationships that support healing and growth.

Carmen Orellana Martinez, MD

Staff Psychiatrist

Dr. Carmen Orellana is a Staff Psychiatrist at Talkiatry who has been in practice for over 6 years, both in the U.S. and abroad. She is double board-certified in child and adolescent psychiatry and adult psychiatry. Dr. Orellana's practice focuses on medication management. She strives to provide exceptional medical care and has extensive experience in treating persons with diverse behavioral disorders and backgrounds. Dr.Orellana involves her patients in all decisions about their health, and provides care that is respectful of patient preferences, needs, and values. Typically, she would recommend evidence-based treatments to her patients and may, occasionally, believe that concurrent therapy is also needed. She would ask that you bring a therapist into your care team to provide the best outcome. Dr.Orellana received her medical degree from Universidad Evang�lica de El Salvador. Dr. Orellana completed a residency in Psychiatry and a fellowship in child and adolescent psychiatry at the Southern University School of Medicine in Springfield, Illinois. After completing her training, Dr. Orellana remained in the school, where she worked as an Assistant Professor of Child and Adolescent Psychiatry, supervising and teaching medical students, residents, and fellows, and treating patients with various psychiatric conditions. Dr. Orellana has experience in treating treatment-resistant mood disorders with electroconvulsive therapy (ECT) and transcranial magnetic stimulation (TMS).‍

Robynn Cavaliere, PMHNP

Staff Nurse Practitioner

Robynn Cavaliere, PMHNP-BC, is a nationally board-certified Psychiatric Mental Health Nurse Practitioner. She earned her nursing practice degree from the University of San Diego (USD). Her passion for helping others began at the age of 16 when she became an EMT and volunteered with a local emergency unit. Inspired by a strong belief in service to country and a desire to follow in her brothers’ footsteps, she proudly served in the United States Marine Corps.

Robynn’s nursing journey began over two decades ago, driven by a deep calling to care for others. She started her career as an LVN on medical/surgical/telemetry floors, advanced to an RN in the emergency room, and eventually became a psychiatric nurse practitioner.

Her extensive nursing experience spans a wide range of clinical settings and patient populations, shaping her approach to interviewing, assessment, and intervention. Robynn applies the Biopsychosocial Model in every patient encounter, believing that a comprehensive understanding of the whole person leads to more effective treatment recommendations, improved outcomes, and better prognoses.

She is deeply committed to making a positive impact in her patients’ lives and giving back to the nursing profession. Robynn precepts student nurse practitioners in her practice and serves as a Clinical Assistant Professor at USD, where she helps educate the next generation of healthcare providers.

Robynn emphasizes the importance of comprehensive assessments, active listening, and building therapeutic alliances that foster trust and create a safe space for patients to share their thoughts and concerns. She collaborates closely with patients to ensure they feel heard, encourages active participation in their treatment, and provides education to enhance insight and promote behavioral change. Her approach includes supportive psychotherapy and incorporates techniques from Cognitive Behavioral Therapy (CBT), Interpersonal Therapy, Reality Therapy, and Solution-Focused Therapy during medication management visits.

Prit Patel, MD

Staff Psychiatrist

Dr. Prit Patel is a board-certified adult psychiatrist. He obtained his medical degree from the University of South Florida and subsequently completed his residency training at the University of Texas at Austin and Northwell Health's Zucker Hillside Hospital. During his training, Dr. Patel also served as chief resident of Zucker's Hillside Hospital's outpatient psychiatric department. Following his training, Dr. Patel has previously worked at New York Presbyterian's Gracie Square Hospital, where he served as an inpatient psychiatrist treating a variety of mental health conditions, utilizing a combination of medication management and therapeutic techniques in helping those experiencing distress due to their conditions. Throughout his training and career thus far, Dr. Patel has received several awards for his clinical care and contribution to medical and psychiatric education, such as Zucker Hillside's Psychiatric Educator award. Dr. Patel has also contributed to medical research in the domains of psychiatry and LGBTQ+ healthcare .Dr. Patel has an interest in not only treating disorders but also helping patients improve their overall well-being. He treats a variety of conditions including depression, bipolar disorder, anxiety disorders, obsessive-compulsive disorders, and trauma-related disorders, through the use of medication and therapy. He has particular experience and interest in treating LGBTQ+ patients as well as young professionals and young adults.

Anthony Capozzi, MD

Staff Psychiatrist

Anthony Capozzi, MD, is a board-certified psychiatrist with 35 years’ experience in clinical psychiatric practice who has seen patients both in the hospital setting and out-patient care. He is a Diplomate of the American Board of Psychiatry and Neurology as well as the National Board of Physicians and Surgeons and the American Association of Psychiatric Medicine. Originally from Brooklyn, New York and received his MD from New York University after completing a 5th pathway at Booth Memorial Hospital in Queens, New York. He began his experience seeing patients with treatment refractory major psychiatric illnesses at Rockland Psychiatric Center in Rockland County, New York. He served on the psychopharmacology committee at the time. He then went on to practice outpatient psychiatry both at Rockland County Community Mental Health and Westchester County Mental Health for over 20 years in addition to having a private practice while living in New York.  He held the position as Associate Director of the division in Westchester County for over 18 years. He has been exposed to all levels of psychiatric care since it was a mixture of patients in the community as well as patients with limited income and dual diagnoses including substance abuse. His approach is to get to know his patients well in order to provide more comprehensive care. He prefers Cognitive Behavioral therapy or Rational Emotive therapy, which he feels is the most time effective and enduring therapy to help patients needs. He also has extensive experience having worked with patients with developmental disabilities, since this is an underserved need. He then went on to work in Florida both for Florida Health Care Plans, which is an HMO, and in private practice for the past 13 years.  He worked at the Counseling Center of New Smyrna Beach, providing comprehensive care. He then helped establish the Center for Behavioral Medicine in Port Orange, Florida, which provided care as part of a multidisciplinary practice. He then went on to establish Advanced TMS in Port Orange, Florida. He is interested in treatment-resistant Depression and Anxiety Disorders. He went on to work for Greenbrook TMS in the greater Orlando area practicing Interventional Psychiatry. He is certified in TMS for brain mapping with Neurostar and Cloud TMS and has experience in the use of intranasal ketamine for treatment resistant depression. He has been a member of the Neuroscience Education Institute since 2012, where he holds a certificate as a Master Psychopharmacologist and a member of the Clinical TMS Society. He has active medical licenses in Florida, Arizona and New York. He is also certified in Medical Marijuana and has completed the IV Ketamine Infusion therapy course as well as Botox training certification.

Patients working with Dr. Capozzi know that he is easy to engage with and is most interested in his patients overcoming their obstacles to reach their optimal level of functioning. He enjoys working with patients who have anxiety, mood disorders and ADHD. It is very gratifying watching patient’s blossom and overcome their psychiatric disorder and then function at their best in work, leisure pursuits and relationships. Patients working with Dr. Capozzi should know that he realizes they have been suffering with their symptoms for some time or they would not be seeking help, and he will work with the patient in collaboration to help receive the proper care.

The typical process in working with patients is to first spend time gathering a history of the symptoms. It is then important to also include significant medical history which may be primary or secondary contributing factors. Also, it is important to look at psychosocial profile and how that may contribute to the initiation of the symptoms and prevention of improvement. It is essential to form a differential diagnosis and continue to look at any ongoing issues as well as co-morbidities. He believes it is most important to discuss possible treatment modalities and take into consideration the patient’s participation in ongoing care. It is most essential to be up to date on the latest modalities in treatment and use a combination of medication, nutritional supplements and behavioral therapies that can foster lasting improvement.

Ready to get matched?

Start our short assessment
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