Mary Phelps, DO

Dr. Alejandra Vivas is board-certified in adult psychiatry and board-eligible in child and adolescent psychiatry. She completed her general psychiatry residency at Montefiore Medical Center and a child and adolescent fellowship at Mount Sinai School of Medicine. Dr. Vivas brings extensive experience from outpatient, emergency, and telepsychiatry settings. She has advanced training in CBT, Motivational Interviewing, and Psychodynamic Therapy. Fluent in English and Spanish, she is committed to culturally sensitive, individualized care.

Dr. Vivas fosters a warm, respectful, and professional space where patients feel seen and empowered. She values open communication and builds collaborative relationships to align treatment with each person’s values, goals, and lifestyle. Her approach is integrative and flexible, grounded in evidence-based methods to support lasting, meaningful change.

Dr. Vivas begins with a thorough evaluation to understand each patient’s history and goals. She creates customized treatment plans that may include therapy, medication, or both. Drawing on CBT, Motivational Interviewing, and Psychodynamic Therapy, she adapts care to meet evolving needs, aiming to relieve symptoms, foster resilience, and support long-term well-being.

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Dr. Juan Carlos Gonzalez is board-certified by the American Board of Psychiatry and Neurology and has 32 years of experience in treating adults. He completed his undergraduate education at Harvard University and earned his medical degree at Baylor College of Medicine in Houston, Texas. He completed his psychiatry residency training at Baylor College of Medicine, where he served as Chief Resident and subsquently was an Associate Professor of Psychiatry for ten years. During his tenure as a faculty member at Baylor, he served as Medical Director for the Baylor Psychiatry Clinic and also maintained a private practice, where he provided psychotherapy and medication management. 

In 2004, Dr. Gonzalez moved to Austin, Texas where he joined the US Veterans Administration, serving in various administrative positions, including Medical Director for the Central Texas VA Outpatient Clinics.

He provides compassionate, evidence-based care to thousands of service members, treating a broad spectrum of psychiatric conditions. Fluent in both English and Spanish, Dr. Gonzalez employs a humanistic approach to patient care, deeply understanding how patients’ past experiences affect their present.

Dr. Gonzalez provides compassionate, humanistic care, recognizing how past experiences shape the present. His treatment integrates medication management with psychoanalytic, cognitive-behavioral, and supportive psychotherapy.

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Background and credentials

Dr. Tyler Josephs is a staff psychiatrist at Talkiatry. He earned his medical degree from Kansas City University in 2017 and completed his psychiatric residency at the University of Kansas Medical Center in 2021. During his residency, he served as Chief Resident at both the University of Kansas Medical Center and the Kansas City VA Medical Center. Most recently, Dr. Josephs worked at the Kansas City VA Medical Center, where he was the psychiatric director of the outpatient mental health clinic and served as Psychiatry Executive for behavioral health services.

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Treatment approach

Dr. Josephs believes in a holistic approach to mental health treatment, integrating medication management, supportive psychotherapy, and collaboration with therapists and support staff. He tailors treatment to each patient's unique needs, ensuring a comprehensive and individualized approach to care. His expertise includes treating a variety of psychiatric diagnoses, such as depression, anxiety disorders (including OCD), ADHD, and PTSD.

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What you can expect in a first visit

In a first visit, patients can expect a thorough evaluation, where Dr. Josephs takes the time to understand their medical history, symptoms, and treatment goals. He emphasizes open communication and collaborative decision-making, ensuring that patients feel heard and supported. Based on this initial assessment, he will develop a personalized treatment plan, which may include medication management and referrals to therapy or other supportive services as needed.

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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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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.

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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.

Dr. Austin Lin is a double board-certified adult and addiction psychiatrist who has been in practice for over 9 years. At the center of Dr. Lin's clinical approach is a strong emphasis on establishing trust and using a collaborative approach to help patients develop an individualized and cohesive plan so that they are able to achieve their goals. Dr. Lin's practice focuses on medication management. Typically, he offers this in conjunction with supportive therapy, motivational interviewing, and/or cognitive behavioral therapy in 30-minute follow-up visits. Occasionally, Dr. Lin may recommend that additional therapy is needed and ask that you bring a therapist into your care team in order to provide the best outcome. Dr. Lin received his medical degree from St. George's University School of Medicine. He went on to complete his residency in psychiatry at Harvard South Shore, an affiliate of Harvard Medical School, where he served as Chief Resident and earned his 360° Professionalism award. He then had additional training in Addiction Psychiatry through his fellowship at the University of Texas Southwestern Medical Center. After completing training, Dr. Lin has worked as an Addiction Psychiatrist and Director of Adult Services in the Trauma and Resilience Center (TRC) at the University of Texas Health Science Center at Houston (UTHealth). He specialized in treating patients with a history of depression, anxiety, trauma, and substance use disorders. Dr. Lin has held an academic appointment at UTHealth, and he has spent his professional career supervising and teaching medical students and psychiatry residents.