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Wayne McIntosh, PMHNP

Staff Nurse Practitioner
Languages
English
SPECIALTIES
ADHD
Anxiety
Bipolar Disorder
Depression
LGBTQIA+
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Medication Management

Education and training

  • Arizona State University Doctor of Nursing Practice (DNP)

Get to know

Wayne McIntosh, PMHNP

Wayne R. McIntosh, PMHNP-BC, is a dedicated mental health professional with over a decade of experience in psychiatric care. He earned his advanced nursing degree with distinction from Arizona State University and 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 has been a board-certified Psychiatric Mental Health Nurse Practitioner (PMHNP-BC) since 2015.

Wayne specializes in family-centered care, working with individuals aged 18 to 65. Whether supporting patients through anxiety, depression, ADHD, or life transitions, he develops personalized diagnostic and treatment plans that may include therapy, coping strategies, and, when appropriate, medication. His approach emphasizes clear communication and collaboration, empowering patients to understand their challenges, apply practical tools, and achieve lasting change.

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

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Xiomara Nieves-Alvarado, MD

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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.”

Mary Poupon, PMHNP

Staff Nurse Practitioner

Mary Poupon is an experienced board certified psychiatric APRN/psychiatric nurse practitioner with over 30 years' experience in her field. She completed her graduate work at Columbia University and is published in her field. Her practice sites have included inpatient hospital treatment, partial hospital programs, in-home programs, outpatient clinics and alternative therapy including equine assisted therapy.  She was the program director and clinician with the Ryan White Mental Health Program in New York providing innovative mental health treatment for adolescents and adults living with HIV/AIDS in the boroughs of Manhattan, Queens, Brooklyn and the Bronx.  In 2013 she became certified as an equine assisted psychotherapist and served as the Director of Mental Health at Embrace Hope in Sandy Hook, CT. She was appointed as the Executive Director of Embrace Hope in 2017. Embrace Hope provided treatment to children, adolescents and adults who were victims of trauma related to the shooting at the Sandy Hook Elementary School. She presented a TED x talk in 2018 regarding her work with victims of trauma. She has provided treatment in the outpatient setting for children, teens, and adults. She has provided treatment to young adults at the Covenant House New York shelter program for homeless young adults.

Mary believes the human spirit is resilient. There are many challenges in the lifespan and self-care is paramount to success.

Mary provides psychiatric consultation and assessment and provides a pathway to change. Treatment may include medication management, therapy, and coping skills to assist with life challenges. Mary believes treatment is a partnership and believes in establishing mutually agreed upon goals.

Mary's process for working with patients begins with active listening. The assessment begins with the patient describing why they are seeking engagement in behavioral health treatment at this time. She will complete a psychiatric assessment and evaluation and establish mutually agreed upon goals for treatment. She offers medication management in conjunction with supportive therapy in 30-minute follow-up visits. Mary believes therapy and medication management if indicated together provides the best treatment outcomes.

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Dr. Martha James is board-certified in general adult psychiatry and has more than twenty years of experience working with adults in a variety of mental health care settings including academia, inpatient psychiatric hospitals, outpatient clinics, university medical centers, VA medical centers, and community mental health settings. Dr. James received her medical degree from Duke University School of Medicine. She completed her psychiatric residency at the University of California, Los Angeles Neuropsychiatric Institute. Dr. James has experience treating adults with a variety of mental health problems including anxiety, mood disorders, trauma related disorders and psychotic disorders.

Dr. James is an experienced, open-minded psychiatrist who prioritizes empathy and understanding in her work. She recognizes that each individual's path to wellness is unique and strives to meet patients where they are in this process. Dr. James believes that while some individuals may benefit from treatment with medication management alone, psychotherapy is often important for treatment success. She encourages patients to participate in psychotherapy and believes a therapist can be a crucial part of the treatment team.

Dr. James uses a collaborative, patient-centered treatment approach with the goal of reducing mental pain and improving wellness so that patients are better able to pursue their unique personal and professional goals. She utilizes psychopharmacology, psychoeducation, and supportive and psychodynamic psychotherapy skills when working with patients.

Taj Deen, MD

Staff Psychiatrist

Dr. Taj Deen earned their medical degree from Dow Medical College in Karachi, Pakistan, and completed psychiatry residency training at Maimonides Medical Center in Brooklyn. They have over 20 years of experience at Jacobi Medical Center’s acute inpatient psychiatric unit, led an acute psychiatric unit for 10 years at Montrose VA Hospital in New York, and served for 25 years in the psychiatric emergency room at Westchester Medical Center.

Dr. Deen prioritizes building a genuine therapeutic alliance with all patients, fostering open communication and collaboration. They work closely with patients to set clear treatment goals and objectives while creating a warm, supportive environment in which patients feel heard, respected, and empowered.

Dr. Deen begins with a comprehensive interview to understand each patient’s history, concerns, and goals. From there, they develop individualized treatment plans tailored to the patient’s objectives, combining compassionate guidance with evidence-based psychiatric care to support meaningful progress.

Sonya Isler, PMHNP

Staff Nurse Practitioner

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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.

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Specialties
ADHD
Anxiety
Bipolar Disorder
Depression
LGBTQIA+
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Medication Management
States
Arizona
New York
Languages
English
Takes insurance
Virtual visits
years experience