David Guggenheim, PsyD

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.

Dr. Rachel Klein received her medical degree from the UCLA School of Medicine and completed her residency training at Harbor-UCLA. She went on to complete a Consultation Liaison fellowship at Yale New Haven Hospital. Dr. Klein has served as a Consultation Liaison psychiatrist providing psychiatric care to patients across hospital settings and in emergency rooms. She has also worked in community health, delivering outpatient psychiatric care to a diverse range of patients.

Dr. Klein provides care in a supportive, non-judgmental, and empathetic manner. She works collaboratively with patients to identify goals and treatments that are effective, safe, and minimize the risk of dependence. Her approach emphasizes education about mental health and the use of non-pharmacological strategies to enhance wellbeing. She values treating the whole person and considers physical health as an integral part of understanding emotional distress.

Dr. Klein begins by understanding each patient’s history, concerns, and goals during the initial session. She takes time to establish an accurate diagnosis, sometimes gathering additional information from trusted friends or family members when helpful. She develops individualized treatment plans aligned with each patient’s goals, provides education about medications and their side effects when indicated, and closely monitors progress over time.

Dr. Mouneimne is a Board-Certified bilingual psychiatrist specializing in general adult psychiatry, bringing extensive experience from her residency training in the underserved area of East Texas. She earned her medical degree from the Texas College of Osteopathic Medicine in Fort Worth and has received broad exposure to child/adolescent, geriatric, and adult inpatient and outpatient psychiatry. With a background in Engineering from Texas A&M University, Dr. Mouneimne employs an analytical approach to diagnose and treat mental health issues through personalized and collaborative care. Her training has included both in-person and virtual encounters to extend care across larger geographic areas. She has experience managing psychiatric care in acute behavioral health units as well as long-term facilities and has focused training in applied Cognitive Behavioral Therapy (CBT). Dr. Mouneimne prioritizes maintaining strong patient-provider relationships, ensuring that patients feel heard and seen to optimize treatment outcomes. She is committed to de-stigmatizing mental health services and providing culturally competent care. Her practice incorporates medication management as part of a comprehensive treatment strategy, emphasizing a deep understanding of the underlying etiology rather than merely addressing symptoms. Known for her compassionate and open bedside manner, she values each patient's unique story as essential to their care. ‍In addition to medication management, her practice includes Cognitive Behavioral Therapy (CBT) and supportive psychotherapy to effectively address complex mental health needs. Dr. Mouneimne strives to promote overall well-being and encourage active patient engagement in their care, ensuring that treatment plans support patient goals, comfort, and meaningful outcomes.

Dr. Williams-Jules is an adult psychiatrist who focuses primarily on medication management in conjunction with supportive therapy. She completed her undergraduate training at Spelman College in Atlanta, GA, followed by her master's in public health degree at New York Medical College. She has completed medical school at American University of Antigua and finished her residency in psychiatry at the University of Texas Southwestern. Dr. Williams-Jules has a passion for treating adults with mental health disorders, especially within the perinatal population. She has a genuine interest in management of trauma, while also treating a vast array of disorders including depression, anxiety, bipolar disorder and posttraumatic stress disorder. She has worked with clients of varying cultures and demographics, and has experience with treating patients with medical comorbidities. Dr. Williams-Jules takes a delicate approach to diagnosis and management and believes in holistic care, which incorporates mindfulness and deep breathing techniques to address the mind and body connection. She tailors individualized treatment to address the specific needs of patients. Dr. Williams-Jules is a member of the American Psychiatric Association and the Dallas County Medical Society. She has presented her research at the Annual APA conference and is co-author of many published psychiatric papers.

Dr. Lauren McClairen is a psychiatrist board certified in General Psychiatry and Addiction Medicine. She completed her medical and psychiatric training at Meharry Medical College in Nashville, TN and a fellowship in Addiction Medicine at Baptist Memorial Hospital in collaboration with IAC (Integrated Addiction Care) in Memphis, TN. Dr. McClairen has clinical experience and practice working with other specialties and disciplines in treatment teams and integrated care models both in the inpatient and outpatient setting. She has held an academic appointment at Baptist Memorial Hospital where she enjoyed teaching and supervising medical residents and fellows in training. She most recently served as the Regional Behavioral Health Medical Director for a group of mental health clinics throughout Tennessee, and as the Chief of Psychiatric Services for a residential treatment facility in Mississippi that also had Partial Hospital and Intensive Outpatient Programming (PHP/IOP). She is experienced in treating patients with a variety of mental health diagnoses including but not limited to depression, bipolar disorder, anxiety disorders, ADHD, OCD, PTSD, and those with a history of substance use disorders. Dr. McClairen works collaboratively with her patients to provide treatments tailored to each patient's individualized needs. She prioritizes building trusting relationships and fostering open communication. Patients can expect a compassionate approach often with utilization of supportive therapy, mindfulness, and at times cognitive behavioral and psychodynamic psychotherapy techniques to address their psychosocial stressors and unique needs.

Dr. Sean Culver is an outpatient psychiatrist with experience treating a wide variety of disorders across multiple distinct age groups. He completed his undergraduate education at the University of Pittsburgh, graduating summa cum laude while majoring in neuroscience. He attended medical school at the Ohio State University College of Medicine, where he was granted an annual merit scholarship. Dr. Culver then remained at the OSU Wexner Medical Center for residency training. Outside of psychiatry, he enjoys numerous interests including soccer, hockey, music, photography, and video games.

During residency, Dr. Culver developed particular interest in working with young adults, college students, and athletes, but is comfortable with patients of all ages. He strongly believes in the practice of evidence-based medicine, utilizing the most current research to guide recommendations. He is a strong advocate for patient autonomy and therefore provides psychoeducation on diagnoses and medications so that each patient can make informed decisions which align with their own values.

Dr. Culver approaches each patient in the context of their individual interests, family dynamics, and life goals. He understands that not every patient requires or desires medication and is comfortable in a number of psychotherapy techniques including cognitive behavioral therapy, psychodynamic therapy, and supportive therapy. He emphasizes a trusting and honest therapeutic relationship with his patients.

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