Marc Whaley, MD

Dr. Jessica Marz is a board-certified psychiatrist who completed her undergraduate studies at the University of Florida and earned her medical degree from the Florida State University College of Medicine. She went on to complete her psychiatry residency at the University of Florida College of Medicine Jacksonville. Dr. Marz treats adults experiencing a variety of mental health concerns, including anxiety, depression, PTSD, OCD, ADHD, bipolar disorder, and adjustment-related challenges.

Dr. Marz is a compassionate and thoughtful psychiatrist committed to holistic, patient-centered, evidence-based care. She approaches each individual with warmth and without judgment, fostering a therapeutic environment built on open communication and trust. She believes that strong rapport is essential to achieving meaningful progress in treatment.

Dr. Marz combines medication management with supportive psychotherapy, incorporating cognitive-behavioral techniques and motivational interviewing. She customizes each treatment plan to align with the patient’s personal goals and evolving needs, recognizing that healing is a highly individualized journey.

Dr. Jennifer Hailey is a board-certified psychiatrist in Psychiatry. She completed her undergraduate training at Michigan State University followed by medical school at Nova Southeastern University College of Osteopathic Medicine. She has completed a residency in psychiatry at Michigan State University. Dr. Hailey has worked in many different settings including private hospitals, jails, military treatment facilities and private practice. She enjoys educating her fellow providers who specialize in psychiatry as well as other areas of medicine. She has a genuine interest in treating a vast array of psychiatric disorders including depression, anxiety, post-traumatic stress disorders, obsessive compulsive and personality disorders. She also has experience in treating patients with medical comorbidities and has training in issues related to women's health.

Dr. Duy Tran is a board-certified adult psychiatrist. He received his medical doctorate degree from the University of Texas Southwestern Medical School and completed his residency training in general psychiatry at the University of Michigan. Dr. Tran aims to provide mental health care that helps patients live more fulfilling lives. In his training, Dr. Tran gained extensive experience treating psychiatric disorders in diverse populations, including college students, LGBTQ+ individuals, perinatal women, veterans, and those with socioeconomic disadvantages. He has worked with experts on cases of treatment-resistant depression and provided consultations for patients considering procedural interventions, such as transcranial magnetic stimulation (TMS), electroconvulsive therapy (ECT), and ketamine infusion therapy. Although Dr. Tran's practice primarily focuses on medication management, he uses a holistic approach in developing individualized treatment plans. He typically incorporates elements of various psychotherapy modalities, including supportive, cognitive behavioral (CBT), dialectical behavioral (DBT), and insight-oriented therapy, in 30- or 45-minute follow-up visits. Occasionally, Dr. Tran may believe that more intensive therapy is needed and recommend that you bring a dedicated therapist into your care team for an optimal outcome.

Dr. Nathan Schulz attended the Ohio State University College of Medicine where he received his degree before completing a residency in psychiatry at the University of Illinois, Chicago. After several years working with veterans at the Jesse Brown VA in Chicago, he returned to his home state of Iowa in 2022. Since then, he has continued to work with a wide variety of clients and conditions in both inpatient and outpatient settings, including at the University of Iowa and Clive Behavioral Health hospital.

Dr. Schulz values open, honest, and ongoing dialogue about how mental health treatment can improve wellbeing and lead to healing. Over time, he tailors treatment recommendations based on individual needs, which may include medication, therapy, lifestyle changes, or other approaches. He avoids a one-size-fits-all model and creates an environment where patients feel respected, understood, and supported as unique individuals.

In the first meeting, Dr. Schulz works to understand each patient’s goals, experiences, and preferences. Some arrive knowing what they want, while others are new to exploring mental health challenges. His goal is to meet patients where they are and adjust treatment focus as needs evolve. He emphasizes collaborative decision-making, clearly discussing treatment options, pros and cons, and next steps, while ensuring patients feel informed and empowered throughout care.

Dr. Mayra Valdivia Carlisle is a bilingual Spanish and English-speaking board-certified Adult Psychiatrist and Child & Adolescent Psychiatrist. She earned her master's degree in public health and her medical degree from Oklahoma State University Center for Health Sciences. She went on to complete her residency training in Adult Psychiatry at the University of Texas Health Science Center in San Antonio and subsequently completed her fellowship in Child and Adolescent Psychiatry. She was awarded the Excellence in Public Health Award by the U.S. Public Health Service and Surgeon General for her work addressing health disparities in healthcare. Dr. Carlisle has extensive experience in outpatient and community mental health settings.

Dr. Carlisle provides patient-centered and compassionate psychiatric care combining medication management, psychotherapeutic methods, and lifestyle modifications to create a unique treatment plan. She recognizes that each person benefits from a personalized and holistic approach to healing. Dr. Carlisle specializes in treating diverse psychiatric conditions including ADHD, anxiety disorders, depression, and post-traumatic stress disorder in children, adolescents, and adults.

During an initial visit one can expect a comprehensive evaluation aimed at understanding individual mental health history, specific concerns, and overall treatment goals. Dr. Carlisle practices a holistic approach to treating mental disorders. This is done through an individualized plan for each patient with careful consideration to medication management, therapy techniques, and lifestyle modifications. Patients can expect an empathetic and collaborative environment focused on their personal experiences and goals.

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Dr. Garrick Gaffney is board certified in psychiatry by the American Board of Psychiatry and Neurology (ABPN). He earned his medical degree from Kansas City University and completed his psychiatry residency at John Peter Smith Hospital in Fort Worth, Texas. A combat veteran, he served in the U.S. Marine Corps, including a tour in Iraq, and was honored with the Navy and Marine Corps Achievement Medal and a Certificate of Commendation for exemplary leadership.

During medical school, Dr. Gaffney pursued advanced training as an Osteopathic Manipulative Medicine fellow. As a resident, he served as Chief Academic Resident and earned accolades such as Intern of the Year and Outstanding Educator of the Year twice consecutively.

Dr. Gaffney specializes in treating complex psychiatric conditions, including depression, anxiety, PTSD, OCD, bipolar disorder, and insomnia. He has presented case studies and quality improvement projects at national conferences, including the American Psychiatric Association (APA), Academy of Consultation-Liaison Psychiatry, and Association for Academic Psychiatry.

A proponent of holistic care, Dr. Gaffney integrates psychotherapy into medication management and emphasizes lifestyle modifications and evidence‑based integrative medicine.

New patients receive comprehensive evaluations to rule out medical causes of symptoms, followed by tailored treatment plans combining therapy, medication, and lifestyle adjustments. Follow‑up visits focus on symptom management through supportive, brief dynamic, or cognitive behavioral therapy, with frequent appointments until stabilization is achieved.

Dr. Gaffney is committed to collaborative, patient‑centered care that addresses both mental and physical well‑being.