Ashlyn Tellers, PMHNP

Wayne R. McIntosh, DNP, PMHNP-BC, is a dedicated mental health professional with over a decade of experience in psychiatric care. A graduate of Arizona State University, where he earned his Doctor of Nursing Practice with distinction, Wayne also holds a Bachelor of Science in Nursing from Grand Canyon University and an Associate of Science in Nursing from Harry S. Truman College. He is certified as a Psychiatric Mental Health Nurse Practitioner (PMHNP-BC) and has been actively practicing since 2015.

Wayne specializes in family-centered care, working with individuals aged 18 to 65. Whether navigating anxiety, depression, ADHD, or life changes, he guides patients through tailored diagnostic and treatment plans that may include therapy, coping strategies, and, when appropriate, medication. With a focus on clear communication and collaboration, he empowers patients in their mental health journey, helping them understand their challenges, implement practical tools for improvement, and create lasting change.

Throughout his career, Wayne has served as a Psychiatric Nurse Practitioner and Associate Director of Medical Services, managing multidisciplinary teams and fostering accessible, high-quality care. As a Faculty Associate at Arizona State University, he has mentored future nurse leaders, emphasizing clinical excellence and patient advocacy. His military background and volunteer efforts further highlight his commitment to serving diverse populations with compassion and dignity.

Dr. Mary Stephenson is a board-certified Child and Adolescent Psychiatrist with more than 25 years of clinical experience working with this population. Dr. Stephenson's practice focuses on medication management. She believes that the support and involvement of the family are an integral part of the treatment of the client. Additionally, more therapy support may be needed on occasion, and the recommendation to bring a psychotherapist on the care team may occur to provide an optimal outcome. She received her medical degree from Wright State University in Dayton, Ohio. She completed her psychiatry residency at the University of Louisville School of Medicine, and her child and adolescent training at the Bingham Child Guidance Center, also part of the University of Louisville, in Louisville, Kentucky. After completion of her training, she moved to Colorado where she worked at The Cleo Wallace Center, in Westminster, CO, providing care for hospitalized youth, and clients in the Day Treatment and Residential setting. In 2000, Dr. Stephenson became the primary Child and Adolescent Psychiatrist on the outpatient team at Denver Health Medical Center in Denver, Colorado. Her role was providing diagnostic evaluations, and medication management in Federally Qualified Health Centers (FQHCs), and the hospital clinic, working closely with residents, child fellows, and other trainees. She had an academic appointment through the University of Colorado School of Medicine. She treated a varied demographic and had a wide range of diagnoses in the child and adolescent population. From 2016-2021, she worked at Intermountain Health Center in Tucson, AZ providing care in the outpatient setting of the community mental health center. The care was a hybrid model of "in-person” and Telehealth treatment of children and adolescents with various disorders, with an emphasis on diagnostic evaluations of Autism and Autism spectrum disorders.‍

Background and credentials

Dr. Agarwal is a board-certified adult psychiatrist. He obtained his bachelor's degree in Biological Sciences from the University of California at Irvine and graduated cum laude with his medical degree from the American University of Antigua. Dr. Agarwal completed his psychiatry residency training at the University of Central Florida, where he was elected chief resident.

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Treatment approach

Dr. Agarwal employs a collaborative and patient-centered approach, primarily focusing on medication management in combination with supportive therapy. He is a strong advocate of psychoeducation, believing it to be an integral part of effective psychiatric care. Dr. Agarwal specializes in treating adults experiencing depression, anxiety, PTSD, and insomnia. He is also experienced in managing patients with psychiatric conditions complicated by medical comorbidities such as obesity, hypertension, chronic pain, and diabetes.

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What you can expect in a first visit

Patients visiting Dr. Agarwal for the first time can anticipate a comprehensive evaluation conducted in a collaborative and supportive environment. Dr. Agarwal prioritizes understanding each patient's individual needs and concerns, creating a personalized treatment plan that integrates medication, supportive therapy, and psychoeducation. Follow-up visits typically last about 30 minutes, allowing time to adjust treatment and reinforce therapeutic strategies.

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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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Dr. Juliet Nichols has been a diplomate of the American Board of Psychiatry and Neurology since 2002 and has been practicing psychiatry for over 25 years. While an expert in psychopharmacology, Dr. Nichols has an integrative approach to treatment and she often incorporates psychotherapeutic techniques when appropriate, tailoring every treatment to each patient's individual needs. She completed her Psychiatry residency at Stony Brook-SUNY and Geriatric Psychiatry Fellowship at the Albert Einstein School of Medicine. Over the last two decades, Dr. Nichols served as an attending psychiatrist at JT Mather Hospital in Port Jefferson, NY, where she became proficient in delivering stellar psychiatric care in a variety of settings. She specializes in treating adult and geriatric mental illnesses, including: Depression, Anxiety Disorders (eg, OCD, Panic Disorder, GAD, PTSD), ADHD, and Cognitive Disorders in the elderly. Dr. Nichols strives to help her patients gain insights into their inner conflicts, unveil their strengths, accept their limitations, and build their coping skills. Her approach is dynamic, straightforward, and empathic so patients always feel safe, understood, and at ease. She engages the patient to be an active participant in treatment decision-making, creating a strong therapeutic alliance.‍

Dr. De Paz received his medical degree from the University of Texas Medical Branch in Galveston, TX, and has been practicing for 9 years. He completed his psychiatric residency and child and adolescent psychiatry fellowship training at the University of Texas Medical Branch. After completing training, he worked at the Center for Health Care Services in San Antonio, TX. He worked with special needs children and adults who required the highest level of care both behaviorally and medically. He then continued his treatment of children and young adults at CommuniCare Health Center also in San Antonio. He served as Director of Behavioral Health for CommuniCare for 4 years. Dr. De Paz completed his undergraduate studies in Psychology and Biology at the University of Houston in Houston, TX. While having treated a wide variety of patients, his primary clinical focus has been the treatment of ADHD in children and adults, and working with special needs children and adults who may have Autism Spectrum Disorder or other Intellectual or Developmental Disabilities. Dr. De Paz's practice focuses on medication management. He offers medication management evaluations and follow-up visits. If the need arises, he works with licensed therapists to provide behavioral support.

Background and credentials

Dr. Seicarescu is a board-certified adult psychiatrist with over 12 years of experience. She received her medical degree from Carol Davila University of Medicine in Romania and completed her psychiatry residency at Wayne State University in Detroit. Following residency, she gained extensive clinical experience practicing psychiatry in diverse outpatient settings, including a multi-specialty center in North Dakota and community mental health centers in Ohio and Michigan. Dr. Seicarescu has also served as an assistant professor at the University of North Dakota and Michigan State University, where she taught and supervised medical students and residents.</p>

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Treatment approach

Dr. Seicarescu employs a collaborative, supportive, and patient-centered approach to psychiatric care, integrating medication management with therapy tailored specifically to each patient. She utilizes supportive therapy along with cognitive behavioral therapy (CBT), adjusted according to individual patient needs. Her specialty areas include the treatment of depression, bipolar disorder, psychotic disorders, PTSD, and a broad range of mental health conditions.</p>

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What you can expect in a first visit

Patients can expect an initial appointment with Dr. Seicarescu to include a thorough evaluation focusing on their unique psychiatric symptoms, personal experiences, and treatment goals. She offers a supportive and compassionate atmosphere, carefully combining medication management with individualized therapy recommendations. Her patient-centered approach ensures the creation of a personalized treatment plan to effectively address each patient’s specific needs.</p>

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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.</p>

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