Jennifer Snowden, MD

Dr. Zac Keller, DO, DABPN (he/his), is a board-certified psychiatrist with experience across inpatient and outpatient settings. He has held leadership roles including Interim Medical Director and Director at Richard Young Hospital, where he also created and led the hospital’s ECT program. Dr. Keller’s clinical focus includes ADHD, PTSD, and personality disorders, and he brings an integrative lens to psychiatric care.

Dr. Keller takes a collaborative, supportive, and evidence-based approach to treatment. He values confidentiality, culturally sensitive care, and trauma-informed practice. Known for his warm yet direct communication style, he works to create a respectful, nonjudgmental environment where patients feel heard, understood, and actively involved in their care.

Care begins with a comprehensive intake that explores medical, psychiatric, social, and functional aspects of a patient’s life. Session length and frequency are tailored to individual needs. Treatment plans are developed collaboratively and may include medication management combined with talk therapy and other evidence-based interventions. Progress is reviewed regularly and adjusted based on ongoing dialogue.

Dr. Namrata Shah is a board-certified adult psychiatrist who completed her undergraduate training at the University of Wisconsin-Madison and earned her medical degree at the American University of Antigua. She completed her psychiatry residency at Creedmoor Psychiatric Center with training at New York-Presbyterian/Columbia University Irving Medical Center.

In addition to experience providing inpatient and outpatient care, Dr. Shah has worked with a wide variety of patient populations. The conditions she treats include depression, bipolar disorder, anxiety disorders, panic disorder, OCD, and ADHD. In addition, Dr. Shah is particularly interested in issues related to women’s mental health, including perinatal mental health issues.

Dr. Shah emphasizes the importance of a strong doctor-patient therapeutic alliance and a patient-centered approach. To provide the best care, she believes in compassion, open communication, and collaboration. As a primary treatment method, she combines psychopharmacological medication and supportive therapy.

Background and credentials    

Dr. Alexander Wittenberg is a board-certified adult psychiatrist. He received his undergraduate degree from Cornell University, majoring in Human Biology, Health, and Society. He earned his medical degree from the New York Institute of Technology College of Osteopathic Medicine, where he was a  member of the Psi Sigma Alpha Osteopathic Honor Society. As chief resident at  Mount Sinai Beth Israel, he gained extensive experience working in outpatient  settings and managing patient care at one of New York City's busiest clinics. Dr. Wittenberg has expertise in treating a wide range of mental health conditions, including depressive disorders, anxiety disorders, bipolar disorder, trauma and stressor-related disorders, and OCD.    

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Treatment approach    

Dr. Wittenberg offers highly individualized and empathic treatment, primarily focusing on medication management. He frequently recommends integrating therapy into treatment plans and may suggest collaborating with a therapist. Dr. Wittenberg prioritizes a holistic approach, emphasizing overall well-being alongside symptom relief. He encourages the incorporation of mindfulness, self-compassion, exercise, nutrition, and attention to interpersonal relationships into his treatment strategy.    

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What you can expect in a first visit    

During an initial visit with Dr. Wittenberg, patients can anticipate a collaborative, patient-centered, and non-judgmental environment designed to foster a meaningful therapeutic relationship. He will thoroughly discuss individual concerns and treatment goals, exploring potential therapeutic interventions, including medication management and holistic strategies to support mental health and overall 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.

Belinda received her undergraduate education at the University of Tulsa and completed her nurse practitioner training at the University of Texas–Arlington, earning a Master of Science in Nursing. She is nationally board-certified in psychiatry across the lifespan and has over a decade of experience working in outpatient, residential, and inpatient care settings. She is skilled in medication management and utilizes therapeutic modalities such as CBT, DBT, ACT, and psychodynamic approaches.

Belinda is a passionate psychiatric nurse practitioner dedicated to continual development and lifelong learning. With over ten years of experience, she spent more than five years working in a residential eating disorders facility. She has evaluated and treated individuals with a wide range of diagnoses, including depression, anxiety, OCD, and PTSD. Belinda believes in addressing the whole person and thrives on helping people find individualized solutions. While she specializes in using medication when necessary to alleviate symptoms, she also incorporates therapeutic techniques into her sessions to help clients discover what works best for them.

She prioritizes the therapeutic relationship and supports patient-centered goals. Belinda empowers her clients to choose options that align with their lives and encourages active engagement in self-care. She is deeply committed to helping individuals improve their quality of life by identifying and addressing areas of struggle, such as depression or grief. Additionally, she supports clients in recognizing and overcoming fears by identifying stressors and developing new coping strategies. Her approach inspires clients to reduce stress and prioritize rest and sleep to enhance overall wellness—body, mind, and soul.

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Cecilia Wild is a board-certified psychiatric-mental health nurse practitioner (PMHNP-BC) with a strong background in treating patients across the mental health spectrum. She earned her Bachelor of Science in Nursing from Illinois State University and began her career in a women’s residential facility specializing in mood disorders, eating disorders, and PTSD. She then transitioned to inpatient adolescent psychiatry, where she became a charge nurse and obtained her Psychiatric-Mental Health Nursing Certification (PMH-BC) from the American Nurses Credentialing Center (ANCC). Inspired by her passion for mental health, she pursued her master's degree at the University of St. Francis to become a PMHNP.  

Cecilia has extensive experience treating patients at all levels of care, including inpatient, PHP/IOP, and outpatient settings. She later transitioned to telehealth, providing medication management to college students. She is passionate about mental health advocacy, particularly within the LGBTQ+ community.  

Cecilia takes a team-based, individualized approach to care. She believes in the importance of education, open communication, and empowering patients in their treatment journey. She emphasizes a holistic perspective, incorporating medication management, therapy, and lifestyle modifications.  

Cecilia prioritizes a trauma-informed approach, recognizing the significant role trauma plays in mental health. She integrates mindfulness techniques, motivational interviewing, and lifestyle changes to support overall well-being. By fostering a collaborative and supportive environment, she helps patients build resilience and achieve their mental health goals.

Dr. Michael Miller earned his medical degree with honors and completed his residency in Adult Psychiatry at the University of Kentucky College of Medicine. He has worked across a wide range of clinical settings, including inpatient, outpatient, community clinics, and state hospitals. Dr. Miller is also trained in multiple psychotherapy modalities, equipping him to meet diverse patient needs.

Dr. Miller values creating a safe and nonjudgmental space where patients can speak openly about their experiences and goals. He believes in a collaborative approach, working with patients to discover strategies that best suit their lives. He also takes into account lifestyle factors that may influence mental health, supporting a well-rounded and sustainable path to wellness.

Dr. Miller begins care with a comprehensive conversation about current concerns, past mental health, physical health, and life experiences. From there, he works with patients to create a personalized treatment plan—whether through therapy, medication, lifestyle adjustments, or a combination. Follow-ups focus on refining the plan to ensure it continues to support the patient’s journey.