Christa DeFries, MD

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Miranda Morgan, DO

Staff Psychiatrist

Dr. Miranda Morgan is a board-certified psychiatrist licensed in New York and Texas. She is a Diplomate of the American Board of Psychiatry and Neurology and a member of the American Psychiatric Association. She earned her undergraduate degree in Psychology from The University of Texas at San Antonio and her medical degree from the Alabama College of Osteopathic Medicine. She completed her residency in psychiatry at Texas A&M University - Temple/Baylor Scott & White Hospital, where she was Recruitment Chief Resident.

Dr. Morgan is passionate about collaborative care and telemedicine, and has held positions in primary care mental health and collaborative care settings. She previously worked as staff psychiatrist at the Department of Veterans Affairs, and held an academic appointment as Clinical Instructor for the Department of Psychiatry at New York University Grossman School of Medicine.

Dr. Morgan describes her practice style as, “patient-centered, compassionate care tailored to each individual's unique mental health needs. As a psychiatrist, I am dedicated to helping my patients overcome their mental health challenges and achieve their goals.

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Gregory Miller, DO

Staff Psychiatrist

Gregory Miller, DO, is an adult psychiatrist who prioritizes understanding his patients by first listening to their stories. He collaborates with them to develop both pharmacological and non-pharmacological solutions aimed at improving their functionality. Dr. Miller emphasizes that functioning better often leads to feeling better. Whenever possible, he approaches treatment within the context of the family system surrounding the individual. Raised in South Carolina, and now residents of Florida, Dr. Miller and his wife of 31 years have six children. He enjoys outdoor activities and team sports and is an avid fan of Tolkien and C.S. Lewis. He at times incorporates analogies from their works into therapy if appropriate.

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Fang Yang, MD

Staff Psychiatrist

Background and credentials

Dr. Yang is board-certified in both General Psychiatry and Addiction Psychiatry. She received her medical degree from the Medical School of Nanjing University in China and completed her Ph.D. in Neuroscience at the State University of New York in Buffalo. She conducted neuroscience research at Tufts University and Columbia University. Dr. Yang completed her residency in Psychiatry at the University of Texas Health Science Center at Houston – McGovern Medical School (UTHealth) and a fellowship in Addiction Psychiatry at Baylor College of Medicine. She has held academic positions at Baylor College of Medicine, supervising medical students, residents, and physician assistant students.

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Treatment approach

Dr. Yang specializes in treating depressive disorders, bipolar disorders, anxiety, substance use disorders, ADHD, and trauma-related disorders. She employs medication management combined with supportive therapy and motivational interviewing techniques. Dr. Yang emphasizes building strong therapeutic relationships, tailoring treatment to each patient's unique goals and needs.

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What you can expect in a first visit

In the initial visit, patients can expect a detailed, personalized evaluation by Dr. Yang. She will explore symptoms, medical history, personal goals, and treatment preferences to design an individualized care plan. Patients can expect a compassionate, collaborative approach with clear communication about medication management options and supportive therapeutic strategies aimed at improving their overall well-being.

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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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Lillian Cole, MD

Staff Psychiatrist

Background and credentials

Dr. Lillian Cole is a board-certified adult psychiatrist. She completed her undergraduate education at the University of North Carolina Wilmington and went on to earn both a master’s in biomedical sciences and a medical degree from Texas Tech University. She completed her psychiatry residency training at the University of Texas Southwestern Medical Center, where she gained experience working with a diverse range of patient populations across different ethnic, socioeconomic, and clinical backgrounds.

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Treatment approach

Dr. Cole emphasizes a holistic, patient-centered approach that integrates evidence-based medicine, psychotherapeutic techniques, lifestyle interventions, and psychoeducation. She believes that listening, collaboration, and compassion are essential to guiding patients toward recovery. Her practice primarily focuses on psychiatric medication management, and she has extensive experience treating mood disorders, anxiety, trauma-related disorders, and substance use disorders. When additional therapy is necessary for the best outcome, she may recommend integrating a therapist into the treatment plan.

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What you can expect in a first visit

Patients can expect a thorough and compassionate initial evaluation, where Dr. Cole takes the time to understand their symptoms, medical history, and treatment goals. She focuses on fostering a strong doctor-patient relationship and collaborates with each patient to create a personalized treatment plan that may include medication management, therapy, and lifestyle interventions. If additional therapy is indicated, she will coordinate with other providers to ensure comprehensive care tailored to the patient’s needs.

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Why Talkiatry?

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Tiffany Abtahi, MD

Staff Psychiatrist

Dr. Tiffany Abtahi is board certified in adult psychiatry and has been in practice for over 6 years. She completed her residency at Icahn School of Medicine, Elmhurst Hospital Center program where she served as Chief Resident in her final year. After completing her residency training, Dr Abtahi worked as a staff psychiatrist in the VA Medical Center focusing on PTSD, depression, and anxiety. Dr. Abtahi has held an academic appointment at the University of UT Southwestern medical school and has spent her professional career supervising/teaching medical students and psychiatry residents. Dr. Abtahi's practice focuses on medication management and providing psychoeducation to her patients. However, if indicated, Dr. Abtahi may believe that additional therapy is also needed and ask that you bring a therapist into your care team to provide the best outcome. Dr. Abtahi has experience treating a large variety of mental health conditions across a variety of populations. She strongly believes in tailoring treatments through a holistic and patient-centered approach based on individual and multi-faceted histories. Dr. Abtahi looks forward to working with you.

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Columban Heo, DO

Staff Psychiatrist

Background and credentials

Dr. Columban Heo is a board-certified psychiatrist. He earned his medical degree from Touro University Nevada and completed his residency at Unity Health White County Medical Center. Dr. Heo further specialized by completing a fellowship in Consultation-Liaison Psychiatry at the Cleveland Clinic, where he gained extensive experience working within multidisciplinary healthcare teams, particularly focused on psychiatric care for patients with complex medical conditions.

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Treatment approach

Dr. Heo specializes in treating a broad range of psychiatric conditions, notably mood and anxiety disorders. He integrates medication management with a holistic, personalized approach to treatment, emphasizing the interconnectedness of mind, body, and spirit. Dr. Heo believes in tailoring treatment plans individually, combining therapy and medications to suit each patient’s unique needs, and highlights the importance of healthy relationships in achieving overall mental health.

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What you can expect in a first visit

Patients visiting Dr. Heo for the first time can expect a comprehensive and personalized assessment that explores not just their psychiatric symptoms but their overall well-being and personal relationships. Dr. Heo prioritizes a holistic evaluation, carefully balancing medication considerations and therapeutic interventions tailored specifically to each patient’s situation and goals. He creates an empathetic, collaborative atmosphere to discuss and develop personalized plans for mental and emotional wellness.

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Why Talkiatry?

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Other Clinicians

Nicole Parrish, MD

Staff Psychiatrist

Dr. Parrish is a board-certified General Psychiatrist and board-certified Child and Adolescent Psychiatrist. In addition to medication management, Dr. Parrish also provides supportive therapy and cognitive behavioral therapy techniques during appointments. When appropriate, she will refer patients for additional psychotherapy and will work to collaborate with therapists to help patients achieve the best outcomes. She received her medical degree from the Medical College of Virginia/VCU in Richmond, Virginia. She then traveled to Greenville, South Carolina where she completed a General Psychiatry residency at Greenville Health System/PRISMA Health and then returned to Virginia to complete a Child & Adolescent Psychiatry fellowship at The Virginia Treatment Center for Children/VCU Health System. Dr. Parrish is a strong advocate of an integrated approach to treating children and their families. She completed undergraduate training at Randolph-Macon College in Ashland, Virginia, where she studied psychology and elementary education. Prior to entering medical school, she was a licensed elementary school teacher in Virginia where she served children of various learning styles and needs. She continues to have an interest in learning disabilities, other neurodevelopmental disorders, ADHD, mood disorders, as well as many other areas of psychiatry.‍

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Aileen Kim, MD

Staff Psychiatrist

Dr. Aileen Kim approaches medication management with an emphasis on shared decision-making within safe, effective options, thorough counseling about what to expect in treatment, and giving attention to the concurrent use of non-medication modalities of treatment alongside optimizing medication. She is accustomed to working with people who have more than one diagnosis. She is skilled and experienced in de-prescribing (methodically streamlining the number of medications being taken) when needed. Patients can see Dr. Kim for medication management, therapy, or both. Dr. Kim is board certified in Adult Psychiatry. She graduated from the University of Illinois College of Medicine in Chicago in 2004. She was selected for the Health Professions Scholarship Program and completed her residency in 2008 at Naval Medical Center Portsmouth in Virginia, where she was chief resident. Following residency, she deployed to Kuwait as a medical officer. She has taught and supervised residents at Walter Reed National Military Medical Center. She left active duty in the Navy as a Lieutenant Commander. After becoming a civilian, she went into solo practice, then joined Potomac Behavioral Solutions in 2014, where she served as medical director. Dr. Kim is the past president of the Virginia Psychoanalytic Society. She also lectures advanced mental health professionals for Lingyu International Psychology Centre based in Toronto. For established patients of Dr. Aileen Kim, please call 833-351-8255 to schedule an appointment and let the patient care coordinator know you are an established patient from her prior practice.

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Molly Fels, MD

Staff Psychiatrist

Dr. Molly Fels is a board-certified psychiatrist. She completed her undergraduate education at Barnard College followed by medical school at Rutgers-Robert Wood Johnson Medical School. Dr Fels then completed her psychiatry residency training at Mount Sinai Beth Israel. She has previously worked in the Mount Sinai health system in the psychiatric emergency department and inpatient psychiatric unit. Dr. Fels has an interest in treating patients with a wide variety of psychiatric disorders including depression, anxiety, ADHD, and in working with patients who have experienced trauma. She believes in addressing holistic and lifestyle factors with her patients, including nutrition and sleep, in addition to pharmacology. Dr. Fels combines medication management and supportive psychotherapy to provide well-rounded and comprehensive care to her patients and prioritizes involving patients actively in each step of their psychiatric treatment.

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Scott Tuckman, LMHC

Staff Therapist

Scott Tuckman is a Licensed Mental Health Counselor who arrives with a robust set of backgrounds across several fields of interest, with immersion among numerous cultures and diverse ways of life. He has worked in multiple capacities in a variety of settings around the U.S., ranging from correctional to educational to inner-city community-based to corporate. With an eye on what influences the ever-present connections between body and mind and emotional states, Scott works well with those struggling with mood disorders, depression, a range of anxiety disorders, relationship problems, esteem issues, adjustment concerns, emotional dysregulation, and more. While Scott is psychodynamically oriented, he blends attachment theory application, mindfulness, selections from CBT and DBT modalities, or other treatment mechanisms tailored to meet each client's needs and complement any assigned psychopharmacological undertaking. Considering it an honor to join someone on their journey, he takes a direct yet compassionate approach so as to establish a comfortable co-owned therapeutic relationship. Ultimately, he strives to help clients gain a more comprehensive understanding of how they can move themselves forward and collaboratively develop the readiness to step towards it. When goals have been met and it's time to finally part ways, Scott hopes each client's tool belt is fortified with newly acquired techniques to overcome the inevitable obstacles on the road ahead.

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Lisa Hagberg, MD

Staff Psychiatrist

Dr. Lisa Hagberg is a board-certified psychiatrist with 20 years of experience treating patients with a wide range of diagnoses, in particular, depression, anxiety, Bipolar Disorder, and PTSD. Dr. Hagberg brings a holistic approach to her practice, exploring mental health in a multidimensional way and addressing the causes, not just the symptoms, of one's condition. She incorporates supportive and insight-oriented psychotherapy into patient care, although at times she may recommend patients add an individual therapist to the treatment team. Dr. Hagberg grew up in Wisconsin and received her medical degree from the University of Wisconsin Medical School. She completed her training in psychiatry at Harvard Medical School and received additional training in Lacanian psychoanalysis at L'École Freudian du Qu�bec. Her recent work includes positions of medical director of a depression and anxiety disorders unit at McLean Hospital of Harvard Medical School and Chief of Psychiatric Assessment Services at Butler Hospital of Brown Medical School. Dr. Lisa Hagberg is a board-certified psychiatrist who treats patients with a wide range of diagnoses, in particular, depression, anxiety, Bipolar Disorder, and PTSD. She brings a holistic approach to her practice exploring mental health in a multidimensional way, addressing the causes, not just the symptoms of one's condition. She incorporates supportive and insight-oriented psychotherapy into patient care, although at times she may recommend patients add an individual therapist to the treatment team.

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Shantale Williams-Jules, MD

Staff Psychiatrist

Dr. Williams-Jules is an adult psychiatrist who focuses primarily on medication management in conjunction with supportive therapy. She completed her undergraduate training at Spelman College in Atlanta, GA, followed by her master's in public health degree at New York Medical College. She has completed medical school at American University of Antigua and finished her residency in psychiatry at the University of Texas Southwestern. Dr. Williams-Jules has a passion for treating adults with mental health disorders, especially within the perinatal population. She has a genuine interest in management of trauma, while also treating a vast array of disorders including depression, anxiety, bipolar disorder and posttraumatic stress disorder. She has worked with clients of varying cultures and demographics, and has experience with treating patients with medical comorbidities. Dr. Williams-Jules takes a delicate approach to diagnosis and management and believes in holistic care, which incorporates mindfulness and deep breathing techniques to address the mind and body connection. She tailors individualized treatment to address the specific needs of patients. Dr. Williams-Jules is a member of the American Psychiatric Association and the Dallas County Medical Society. She has presented her research at the Annual APA conference and is co-author of many published psychiatric papers.

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Christa DeFries, MD

Education and training

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