Lorraine Wharton-Mohammed, MD

Background  and credentials    

Dr. Columban Heo is a board-certified psychiatrist. He earned his medical  degree from Touro University Nevada and completed his residency at Unity  Health White County Medical Center. Dr. Heo further specialized by completing  a fellowship in Consultation-Liaison Psychiatry at the Cleveland Clinic,  where he gained extensive experience working within multidisciplinary  healthcare teams, particularly focused on psychiatric care for patients with  complex medical conditions.    

‍

Treatment approach  

Dr. Heo specializes in treating a broad range of psychiatric conditions,  notably mood and anxiety disorders. He integrates medication management with  a holistic, personalized approach to treatment, emphasizing the  interconnectedness of mind, body, and spirit. Dr. Heo believes in tailoring  treatment plans individually, combining therapy and medications to suit each  patient’s unique needs, and highlights the importance of healthy  relationships in achieving overall mental health.    

‍

What you can expect in a first visit    

Patients visiting Dr. Heo for the first time can expect a comprehensive and  personalized assessment that explores not just their psychiatric symptoms but  their overall well-being and personal relationships. Dr. Heo prioritizes a  holistic evaluation, carefully balancing medication considerations and  therapeutic interventions tailored specifically to each patient’s situation  and goals. He creates an empathetic, collaborative atmosphere to discuss and  develop personalized plans for mental and emotional wellness.  

‍

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.

Dr. Sharon Kahler is Board Certified in Adult and Child & Adolescent Psychiatry and treats patients of all ages. She has over a decade of experience in both community mental health centers and private practice, working with individuals from diverse backgrounds. She earned her medical degree from New York Medical College, completed Adult Psychiatry Residency at New York-Presbyterian/Weill Cornell, and completed Child and Adolescent Fellowship training at NYU Langone and Bellevue Hospital. Her clinical interests include mood and anxiety disorders, PTSD, and childhood psychiatric disorders.

Dr. Kahler is committed to providing compassionate, high-quality mental health care. She fosters a therapeutic, nonjudgmental environment where patients can openly share their concerns and values. Viewing treatment as a partnership, she encourages patients to play an active role in their care and takes a whole-person approach, considering lifestyle, environmental, and social factors that contribute to healing.

Dr. Kahler begins with a comprehensive assessment to understand each patient’s history, background, and treatment priorities. She develops individualized treatment plans using evidence-based approaches, supporting patients in navigating life’s challenges and finding a path to mental wellness.

Dr. Meagan Maas is a double board-certified psychiatrist in Child and Adolescent Psychiatry and Adult Psychiatry. She completed residency training at Western Michigan University Homer Stryker M.D. School of Medicine and a fellowship at Rush University Medical Center. She earned her MD from American University of the Caribbean, an MPH from Boston University, and a BS in Brain, Behavior, and Cognitive Science from the University of Michigan. Dr. Maas has primarily worked in outpatient psychiatry.

Dr. Maas works collaboratively with patients, families, and care teams to tailor treatment that fosters growth and positive change. She values open communication, clear goals, and meeting patients where they are. She aims to empower and advocate for patients by exploring educational, therapeutic, and holistic supports alongside medication. She is an LGBTQIA+ affirming provider specializing in child and adolescent care, with a focus on depression, anxiety, OCD, autism spectrum disorder, and mood disorders.

Dr. Maas creates a safe, inclusive space where patients feel comfortable expressing concerns. Her sessions are collaborative, with a focus on personalized treatment aligned with patient goals. Initial evaluations are 75 minutes; follow-ups are 45. She is a real human dedicated to helping patients and families live authentically and with confidence.

Dr. Pereira is a board-certified adult psychiatrist who is dedicated to providing compassionate care for a wide range of mental health concerns. He received his Bachelor of Arts from Harvard University and his medical degree from The Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, where he graduated with the Department of Psychiatry's award of distinction. He went on to complete his psychiatric residency training at Northwell Health's Zucker Hillside Hospital, with a specialization in the assessment and treatment of obsessive compulsive disorder and related conditions. Dr. Pereira's clinical approach emphasizes building trust with his patients and working collaboratively to develop an individualized treatment plan. He uses medication management along with cognitive behavioral therapy, exposure and response prevention, psychodynamic psychotherapy, interpersonal psychotherapy, and supportive therapy as needed. His practice treats a wide range of conditions, including depression, anxiety, OCD, family and relationship struggles, and other mental health issues. He has been trained in a wide range of settings including inpatient, outpatient, emergency departments, and behavioral health crisis centers. He also has experience teaching and supervising medical students and psychiatry residents.

Lindsey Stewart, PMHNP, holds three Bachelor’s degrees in Biology, Medical Technology, and Nursing, as well as a Master of Science in Nursing. She began her nursing career in 2011, working in inpatient psychiatry, and later expanded her experience to community mental health and home health for patients with behavioral health needs. In 2018, she earned her PMHNP certification from the University of Missouri–Kansas City and has since spent six years providing behavioral health medication management at an FQHC, treating patients across the lifespan.

Lindsey is passionate about her work and values each patient’s unique life story. She focuses on meeting patients where they are and creating customized treatment plans that align with their goals. Her care is rooted in a patient-centered approach, ensuring collaboration and respect throughout the treatment process.

Lindsey’s process blends structure with flexibility, tailoring care to each patient’s needs. She begins by establishing a diagnosis and treatment plan, integrating medication management, therapy, collaborative goal-setting, and ongoing progress monitoring. This holistic approach supports both mental health and overall well-being.

After graduating from the University of Northern Iowa in 2014, Kendrah worked at a non-profit organization that focused on substance abuse and mental health. She worked there from 2014-2021 initially as a substance abuse counselor and later transitioned into a Clinical Director position. Most recently, Kendrah has been serving patients in a private practice mental health therapist role. Kendrah's interests and specialties are Trauma, Anxiety, Depression, Marriage and Family, Culture and Diversity, Dual Diagnosis, Meditation and Dating Violence/Abuse. She also has an interest in Self Image/Self-Esteem and Addictive Behaviors with Substance Use and Gambling.