Michael Underriner, MD

Dr. Scott Masters is a Board-Certified psychiatrist and psychoanalyst with over 30 years' experience in medication management and therapy. He is living in Hawaii after a 20-year training and working in New York City.

Columbia University Vagelos College of Physicians and Surgeons

Columbia University Psychiatry Residency Program, Chief Resident

Columbia University Public Psychiatry Fellowship

Columbia University Center for Psychoanalytic Training and Research

Dr. Masters offers an integration of medication management and various psychotherapy. He is certified in supportive psychotherapy, prolonged exposure therapy for PTSD, motivational interviewing, CBT for chronic pain, Integrated Behavioral Couples Therapy and Whole Health.  With the right combination of treatments, patients can achieve their potential and relieve suffering.

In an initial visit, patients can expect a thorough, collaborative discussion with shared decision making to understand their symptoms, life goals, and clinical needs. Dr. Masters will evaluate the patient's condition to determine appropriate medication interventions and discuss personalized treatment recommendations including integrated psychotherapy.  Typical follow-up visits are approximately 20-30 minutes in length. Depending on the severity and complexity of a patient's situation, referrals to additional counseling or therapy may also be suggested.

‍

Dr. Jordan Kalosieh is a board-certified psychiatrist with experience treating patients across the lifespan in a variety of clinical settings, including inpatient, intensive outpatient, rehabilitation, and outpatient care. She earned her medical degree from St. George’s University School of Medicine and completed her psychiatry residency at HCA Aventura Hospital, where she served as chief resident.

Dr. Kalosieh believes in open and transparent communication, offering guidance while respecting each patient’s autonomy. She values authenticity in the therapeutic relationship, combining warmth with directness to create a calm, attentive, and nonjudgmental environment where patients feel supported and understood.

Dr. Kalosieh takes a holistic approach, carefully considering each patient’s unique history, needs, and goals when creating treatment plans. She emphasizes shared decision-making by clearly communicating her thought process and engaging patients as active partners throughout their treatment journey.

Background and credentials

Dr. Matthew Koller is a board-certified adult psychiatrist who completed his undergraduate training at The University of Texas at Austin. He earned his medical degree from The University of Texas Health Science Center at San Antonio and completed his general adult psychiatry residency at Baylor College of Medicine in Houston, TX, where he served as Chief Resident of Education in his final year of training.

‍

Treatment approach

Dr. Koller believes that understanding a patient fully is essential before treatment begins, emphasizing a collaborative and patient-centered approach to care. His practice is primarily focused on medication management, but he also incorporates supportive therapy and other therapeutic modalities as needed. He may recommend including a therapist in the treatment plan to ensure comprehensive, well-rounded care. He has experience treating a wide range of mental health conditions, including depression, anxiety, insomnia, personality disorders, bipolar disorder, PTSD, and psychotic disorders.

‍

What you can expect in a first visit

During the first visit, patients can expect a thorough and individualized psychiatric evaluation, where Dr. Koller takes the time to understand their symptoms, history, and treatment goals. He prioritizes open communication and shared decision-making, working closely with patients to develop personalized treatment plans. While medication management is the foundation of his approach, he remains flexible and adaptive, incorporating therapy and other interventions as needed to help patients achieve optimal mental health.

‍

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.

‍

Dr. Kristofer Joondeph-Breidbart is a board certified adult psychiatrist. He earned his undergraduate degree and Master's in Teaching from Boston University, followed by his medical degree from the University of Massachusetts Medical School. Dr. Joondeph-Breidbart completed his residency in general adult psychiatry at Cambridge Health Alliance, a Harvard teaching hospital. Currently, Dr. Joondeph-Breidbart serves as a staff psychiatrist at Harvard University Health Services, where he works with both undergraduate and graduate students. He has developed significant expertise in working with LGBTQ individuals through his involvement with the Gender and Sexuality Clinic at Cambridge Health Alliance and the LGBTQ Interdisciplinary Team at Harvard University Health Services. While he has extensive expertise in treating college-aged young adults, his practice also includes a broad range of patients, with a particular specialization in Obsessive-Compulsive Disorder (OCD). He is trained in Exposure and Response Prevention Therapy, a highly effective treatment for OCD. Dr. Joondeph-Breidbart takes a holistic approach to mental health care, integrating therapy into his sessions and collaborating with patients to develop individualized medication regimens that best meet their needs. His gentle and understanding approach helps create a supportive environment for his patients, fostering their mental and emotional well-being.

Dr. Nieves-Alvarado is a Board-certified psychiatrist who completed medical training at Duke University Psychiatry Program. Originally from Puerto Rico, she is fluent in both English and Spanish, which allows her to connect deeply with a diverse patient population.

Her practice combines medication management with insight-oriented therapy during every visit, promoting a comprehensive approach to mental health care. She advocates for her patients to engage in therapy alongside medication management, as she believes this integrated approach leads to better outcomes and sustained improvement. Dr. Nieves-Alvarado's practice is rooted in a collaborative, team-based approach, working closely with her patients to achieve long-term mental wellness.

Dr. Nieves-Alvarado earned her medical degree from the Universidad Central del Caribe School of Medicine in Bayamon, PR. Afterward, she moved to North Carolina, where she completed her residency at Duke University Hospital. During her training, she was nominated for a fellowship in psychodynamic practice by the Psychoanalytic Center of the Carolinas, showcasing her expertise in this area. She is also a dedicated advocate against childhood sexual trauma.

Her diverse training includes significant experience in jail and forensic psychiatry, as well as the treatment of military veterans under the veteran affairs health care system. She has experience in medically assisted treatments (MAT) for substance use disorders, Electroconvulsive therapy (ECT), and family therapy, enabling her to care for patients with complex needs.

Dr. Nieves-Alvarado treats patients across a wide age range, from young adults to the elderly. Passionate about improving access to mental health care, she joined Talkiatry to help patients facing time or transportation challenges receive the care they need.  

In addition to her clinical practice, Dr. Nieves-Alvarado remains involved with her alma mater’s Behavioral Health Department, contributing to academic education and maintaining a connection with the next generation of medical professionals. She continues to seek ongoing improvement in her field, remaining engaged with medical associations including North Carolina Psychiatric Association, American Psychiatric Association, and Alpha Omega Alpha national medical honor society. Dr. Nieves-Alvarado is committed to working hand-in-hand with her patients to achieve mental wellness.”

Ashlyn Tellers is a board-certified Psychiatric Mental Health Nurse Practitioner. She earned her nursing degree with an emphasis in psychiatry in 2020 from the University of Arizona. With over twelve years of experience, she has cared for mental health patients across long-term care, inpatient, residential, and outpatient settings.

Ashlyn specializes in treating adults with depression, anxiety disorders, bipolar disorder, ADHD, and OCD through medication management and supportive therapy. She emphasizes patient education and works collaboratively to build therapeutic and safe treatment plans. She encourages open discussions about past mental health history and current stressors to help identify root causes and develop healthy coping strategies. When appropriate, she refers patients to therapists for more specialized care.

‍