Margaret Reyes, PMHNP

Margaret Ngumi, MSN, APRN, FNP-C, PMHNP-BC, is a dual board-certified Psychiatric Mental Health and Family Nurse Practitioner with over 20 years of experience in healthcare. She began her career as a Family Nurse Practitioner and later pursued a post-master’s certification in psychiatry to address the growing need for accessible mental health services. Margaret has extensive experience in both inpatient and outpatient settings, treating conditions such as depression, anxiety, PTSD, mood disorders, and substance use disorders.

She takes a collaborative, patient-centered approach to care, creating a safe and supportive environment where individuals feel heard and empowered. With a strong emphasis on holistic care, Margaret considers all aspects of a patient’s well-being—including lifestyle, relationships, and overall health. Whether through medication management, therapy, or lifestyle modifications, she is committed to helping patients achieve meaningful and lasting improvements in their mental health.

Margaret begins with a comprehensive psychiatric evaluation to understand each patient’s history, concerns, and goals. She then works closely with them to develop a personalized care plan that may include medication, therapy, and evidence-based lifestyle interventions. She prioritizes open communication, patient education, and ongoing collaboration to ensure treatment remains effective and evolves with each patient’s needs. Through her compassionate and evidence-based approach, Margaret is dedicated to helping individuals find balance and improve their overall quality of life.

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Consuelo Reddick, MD, completed her medical degree and adult psychiatry residency at the University of Alabama at Birmingham, followed by fellowship training in child and adolescent psychiatry at Harvard Medical School’s Cambridge Hospital. She is double board-certified in general psychiatry and child and adolescent psychiatry. Her career has included roles in inpatient and outpatient care, academic settings, consulting, and telepsychiatry across multiple states.

Dr. Reddick works collaboratively with patients, ensuring they feel heard, respected, and informed. She emphasizes psychoeducation to empower patients in their treatment journey and encourages open communication to build trust and partnership. She treats a range of conditions, including anxiety, depression, and ADHD, in both children and adults.

An initial assessment with Dr. Reddick includes a thorough review of personal and medical history, identification of concerns, and the development of treatment goals. She often integrates supportive therapy with medication management to provide individualized, effective care that promotes both symptom relief and long-term well-being.

Matthew is a board-certified psychiatric mental health nurse practitioner and received his education in this specialty at Maryville University of St. Louis, Missouri.  He has been working in the mental health field for over 20 years and has provided care to patients in diverse care settings including psychiatric hospitals, outpatient mental health centers, psychiatric home health, and telepsychiatry.  Matthew is passionate about expanding access to high quality mental health care to all in need and greatly enjoys collaborating with patients from diverse backgrounds.  In his free time, he enjoys hiking, camping, reading, traveling, and searching for the best Mexican food around.  

Patients working with Matthew should know that he utilizes a very collaborative approach to patient care.  He does not assume that he knows what's best for patients but works closely with them to find the most appropriate and effective treatment plan for the unique individuals that he treats.  For Matthew, safety is always the first priority, but he does not believe in a "one size fits all" approach to mental health care and is focused on tailoring the treatment to the patient.  Matthew utilizes an empathic approach to mental health treatment and patients will feel heard and valued.  

Matthew's process for working with patients includes a thorough psychiatric evaluation at the initial appointment to make sure we are getting to the right diagnosis and remaining on track to improve the patient's mental health. Follow-up appointments are focused on monitoring for progress or regression and working collaboratively to meet mutually agreed upon goals. Collaboration is key!

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Dr. Wharton-Mohammed is double board certified in General Psychiatry as well as Child and Adolescent Psychiatry. She has worked in various settings with culturally diverse populations. Her primary focus has been caring for children in the outpatient programs. Dr. Wharton-Mohammed has spent over ten years as an administrative leader. She has chaired and co-chaired committees overseeing the practice of fellow Psychiatrists and served as the Discipline Chief. She has been teaching/ supervising Nurse Practitioner students and Physician assistant students.

Dr. Wharton-Mohammed is experienced with a wide variety of psychiatric diagnoses and therapeutic modalities. She is a dedicated clinician who looks out for her patients. She views each patient and their caregivers circumstance as unique. She takes a holistic approach with a collaborative approach to help patients understand their options. While the focus may be on psycho education and medication management with supportive and psychodynamic therapeutic interventions there may be a need for additional therapy.  She may ask that a therapist be added to your treatment team. She works towards establishing a meaningful trusting relationship and looks forward to working with you to help you achieve your goals.

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.    

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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.    

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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.  

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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.

Dr. Travis Downey has experience in outpatient and medical hospital settings, providing care for patients with co-occurring medical conditions. He earned his undergraduate degree in Cell Biology and Neuroscience from Rutgers University, his DO from Rowan School of Osteopathic Medicine, and completed psychiatry residency at Rutgers – Robert Wood Johnson. Dr. Downey enjoys teaching and has received the Excellence in Medical Education Award from Sidney Kimmel Medical College.

Dr. Downey creates a warm, supportive environment where patients feel heard and respected. He is highly collaborative, offering treatment options rather than a single path, and values inclusivity, working with patients from diverse backgrounds. His experience spans diagnoses such as depression, bipolar disorder, OCD, anxiety, trauma, and ADHD, among others.

Dr. Downey begins with a comprehensive psychiatric evaluation, considering past treatments, family history, social and cultural context, and unique patient factors. He prioritizes understanding each individual, developing accurate diagnoses, and creating treatment plans that align with patient goals. Follow-up appointments integrate therapeutic interventions alongside medication management, ensuring thoughtful, ongoing care.