Wayne McIntosh, PMHNP

Sonya R. Isler, PMHNP-BC, began her nursing journey over 30 years ago in a state psychiatric hospital in Goldsboro, NC, inspired by the poised nurse she admired at church as a child. Her path includes roles as LPN, RN, BSN, and multiple advanced practice degrees. Sonya has worked in inpatient and outpatient settings, VA clinics, and private practices. She also serves as a preceptor for PMHNP students at her alma mater, the University of North Carolina at Chapel Hill.

Sonya creates a welcoming, respectful space where patients feel safe to communicate openly. She practices active listening and values patient input when setting therapy goals. Her approach is holistic—treating the whole person—and she encourages collaboration, helping patients feel seen, heard, and empowered in their care.

Sonya reviews a patient's history before each session and begins with clear introductions and goal setting. She invites open discussion of concerns and tailors' treatment plans with patient input. She often incorporates CBT, motivational interviewing, and solution-focused therapy into care, promoting growth through supportive, personalized strategies.

Neena Tressa Mathew has built an impressive career in the medical field, with a strong focus on mental health. She is dually board-certified as a Psychiatric Mental Health Nurse Practitioner (PMHNP-BC) and Family Nurse Practitioner (FNP-BC), providing care across all age groups. Fluent in English, Hindi, and Malayalam, she is licensed to practice in Florida, New York, Texas, and Georgia. Neena offers a patient-centered approach that integrates her diverse experience and certifications.

Her dedication to mental health is evident through her extensive hands-on experience in assessing, treating, and evaluating patients with a wide range of psychiatric conditions, including ADHD, depression, anxiety, PTSD, OCD, schizophrenia, and bipolar disorder. She has delivered exceptional care at institutions such as Mindful Behavioral Healthcare, AdventHealth Hospital, and Park Place Behavioral Health Care. Her international experience includes roles in Canada, where she further developed her expertise in geriatric psychiatry. Neena has also worked in various practice areas, including addiction medicine, grief counseling, and primary care.

Her academic background includes a Post-Master’s Certification from Florida State University and a Master of Science from D’Youville College in Buffalo, NY. She also holds a Bachelor of Science in Nursing from Delhi University and a Master’s Degree in Social Work from the Delhi School of Social Work. Her professional affiliations, including membership in the American Nurses Association, reflect her commitment to the field. Recognized for her academic, leadership, and research capabilities, Neena was invited to join Sigma Theta Tau International (STTI) as a graduate nursing student for her excellence in scholarship and outstanding achievements in nursing.

Neena has contributed to several U.S. nursing journals and magazines and has published and presented research articles in international peer-reviewed journals. She maintains an active academic presence through platforms like Google Scholar and ResearchGate.

Her approach to care is both traditional—prescribing evidence-based psychiatric medications—and holistic, incorporating natural treatments such as vitamins, supplements, lifestyle modifications, nutrition, exercise, and stress management. She believes in the mind-body-spirit connection, viewing individuals as whole beings rather than a collection of symptoms, echoing the philosophy of Hippocrates, the "Father of Medicine." Her holistic philosophy is evident in her skillful management of psychotropic medications and her integration of psychotherapy, including supportive therapy, cognitive behavioral therapy (CBT), and psychodynamic therapy.

Neena’s primary interest lies in exploring the relationship between mental, physical, and spiritual health. She finds great fulfillment in helping others and goes beyond diagnosis and treatment by conducting thorough mental health assessments to ensure accurate identification of psychiatric conditions. What sets her apart is her commitment to patient education—empowering individuals and their families with a deep understanding of their conditions and treatment plans, including medication as part of a comprehensive care strategy.

In addition to her clinical work, Neena serves as a clinical instructor, sharing her knowledge and insights with future healthcare professionals. This dual role highlights her multifaceted contribution to healthcare, emphasizing both treatment and education in supporting individuals on their mental health journeys.

Outside of her professional life, Neena enjoys reading, writing, beach activities, hiking, and traveling with her family. She is also actively involved in charitable work through the Lions Club. She lives by the principle:

“Give, and it will be given to you. A good measure, pressed down, shaken together and running over, will be poured into your lap. For with the measure you use, it will be measured to you.” (Luke 6:38)

Indeed, she believes that it is in giving that we truly receive.

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What has motivated Dr. Wheatley over the course of her career as a caregiver? Dr. Wheatley is a native Houstonian who grew up in a working-class community. Through curiosity and hard work, she was able to attend a university that included people of vastly different life experiences. She was molded by both communities to appreciate the commonalities of humanity. That broad exposure extended her empathetic spectrum to grasp the needs of the American diaspora.

Dr. Wheatley uses a biopsychosocial approach to evaluate the patient. She gathers patient history with a mindset that considers the neuroscience that chemically shapes mood, thoughts, and behavior. She is able to uncover factors that can inhibit psychological growth and development. She has experience in seeing how the social conditions of the “then” can influence the resiliency of the “now”. Dr. Wheatley appreciates, and is proficient in, advances in technology, but prioritizes the analog relationship between doctor and patient.

Meeting people where they are. It is an old trope, but describes how one allows a patient to set the path forward. An open-ended interview is conducted with an open mind towards resolution. When being evaluated and treated by Dr. Wheatley, a patient can expect to be met in a cordial but professional manner. Treatments are discussed and considered based on the mental state of the patient and the clinical efficacy and scientific evidence of benefit. The patient is invited to ask questions and consider whether they wish to pursue the suggested treatment plan.

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***Provider does not prescribe controlled substances*** Dr. David Eiler is a staff psychiatrist at Talkiatry. He is board certified in adult psychiatry. Before joining Talkiatry, Dr. Eiler was a staff psychiatrist at Dartmouth-Hitchcock Medical Center (DHMC), where he had an academic appointment and served as clinical director of transcranial magnetic stimulation (TMS) and intranasal esketamine services. In his practice, Dr. Eiler has focused on medication management and interventional techniques, including TMS, for the treatment of depression and other disorders. Dr. Eiler received his MD from the University of Wisconsin School of Medicine and Public Health and completed his residency at DHMC.

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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Denise White, PMHNP, has worked in the mental health field for over 30 years following the completion of her Bachelor’s degree in Psychology from Suffolk University in Boston. She began her career as a mental health technician in a geriatric residential program and later pursued additional education in nursing, earning an Associate Degree in Nursing from Quincy College, a Bachelor’s Degree in Nursing from South University, and a Master’s in Nursing from Eastern Kentucky University. Over the years, she has held diverse roles in adult and children’s case management, residential and intensive outpatient programs, inpatient psychiatric care, and crisis stabilization. Denise has provided care in both inpatient and outpatient settings as well as through hospital consult services across the country.

Denise prides herself on her ability to empathize with her patients and meet them exactly where they are in their journey. She believes that trust is the foundation of the therapeutic relationship and works diligently to create a supportive, nonjudgmental environment where patients feel safe, heard, and respected.

In the initial evaluation, Denise focuses on gathering comprehensive information to form a complete understanding of each patient’s unique background and needs. From there, she develops an individualized treatment plan that aligns with the patient’s prioritized goals. Each session begins from that foundation, allowing her to support patients at their own pace as trust deepens and progress unfolds.