Geoffrey Sinner, MD

Karen Tonner, MSN, PMHNP-BC is an ANCC board-certified Psychiatric Mental Health Nurse Practitioner with over eight years of experience providing psychiatric care in outpatient and community mental health settings. She works with patients across the lifespan and treats a broad range of mental health conditions, including depression, anxiety disorders, attention-deficit/hyperactivity disorder (ADHD), obsessive-compulsive disorder (OCD), and post-traumatic stress disorder (PTSD).

Karen primarily provides medication management in conjunction with supportive therapy, using evidence-based practices to help patients achieve symptom relief and improved functioning. Her approach to care is holistic, person-centered, and collaborative, emphasizing shared decision-making and individualized treatment planning. She strives to create a welcoming, approachable, and supportive environment where patients feel comfortable being themselves and actively participating in their care. She believes that understanding each patient’s unique experiences, goals, lifestyle, and strengths is essential to effective mental health treatment.

Karen earned her Bachelor of Science in Nursing from Kennesaw State University and her Master of Science in Nursing from the University of Alabama at Birmingham. She is dedicated to continuing education to remain current with psychiatric research and is committed to delivering compassionate, high-quality care that helps patients feel heard, respected, and empowered.

Dr. John Weller, MD, is a psychiatrist with a strong foundation in science and clinical care. He earned his undergraduate degree in molecular genetics from the University of Vermont and conducted neuroscience research in both academic and industry settings. A graduate of St. George’s University School of Medicine, he completed his psychiatry residency at Mather Hospital, Northwell Health, where he was honored as Resident of the Year in 2025 and inducted into the Alpha Omega Alpha Honor Medical Society.

Dr. Weller is committed to providing compassionate, evidence-based care that considers the full spectrum of biological, psychological, and social factors. He builds therapeutic relationships on empathy, respect, and trust. By tailoring treatment plans to each patient’s personal and cultural context, he helps individuals take control of their mental health and work toward long-term recovery and resilience.

In the first session, Dr. Weller takes time to listen carefully and gather a thorough understanding of each patient's concerns, history, and current functioning. He uses empathy and active listening to foster open communication and develop personalized treatment plans that may include therapy, medication, or lifestyle changes, with the goal of restoring wellness and stability.

Background and credentials

Dr. Lisa Ekeanyanwu is a board-eligible psychiatrist who completed her psychiatry residency training at Stanford University. She has gained experience in a wide range of clinical environments, including inpatient and outpatient care, community mental health settings, emergency rooms, telehealth services, and international clinical fieldwork.

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Treatment approach

Dr. Ekeanyanwu’s practice is centered on pharmacotherapy, which she integrates with supportive therapy, cognitive behavioral therapy (CBT), and psychodynamic therapy to provide comprehensive psychiatric care. She takes a collaborative and individualized approach, tailoring treatment to meet each patient’s unique goals and improve their overall quality of life. She has a special interest in cultural and micro-cultural influences on mental health and strives to provide culturally competent care that respects each patient’s life experiences and values. When she believes additional therapy may be beneficial, she may recommend incorporating a therapist into the care team.

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What you can expect in a first visit

During the first visit, patients can expect a thorough evaluation where Dr. Ekeanyanwu carefully assesses their symptoms, medical history, and personal treatment goals. She fosters a collaborative and patient-centered environment, ensuring that each treatment plan aligns with the patient’s individual needs. She provides medication management along with therapeutic support and, when appropriate, may recommend additional therapy to optimize outcomes. Her approach prioritizes safe, effective, and culturally sensitive care that evolves to support patients throughout different stages of their lives.

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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.

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Bryan Larson is a Psychiatric Mental Health Nurse Practitioner (PMHNP) with a Doctorate of Nursing Practice from Washington State University (2019). He earned his Bachelor of Science in Nursing from Walla Walla University in 2003 and worked for over a decade as an emergency department nurse. Since 2019, he has provided outpatient psychiatric care for diverse patients, offering medication management and support for a variety of mental health diagnoses.

Bryan works with patients from all backgrounds with a focus on treating each individual uniquely. He emphasizes meeting patients “where they’re at” and collaborates in a supportive environment to achieve personalized treatment goals, ensuring every patient feels understood and valued.

During the initial appointment, Bryan reviews a patient’s psychiatric history and current concerns to develop a tailored treatment plan, which may include medication and/or therapy services. He fosters a welcoming environment and continually adjusts care plans to align with each patient’s goals, supporting long-term mental health improvement.

Dr. Ali is a lifelong New Yorker who has always been fascinated by the complexity of the human mind, behavior, and experience. Growing up in a vibrant and diverse city, she developed a deep appreciation for how culture, environment, and individual background shape a person’s psychological well-being. Driven by this passion, she pursued her medical degree at SUNY Downstate Health Sciences University, where she gained a strong foundation in both the biological and psychosocial aspects of medicine. She then completed her general psychiatry training at SUNY Stony Brook University Hospital, where she worked closely with a diverse patient population from varied religious, cultural, socioeconomic, and age groups.

Dr. Ali prioritizes open communication and mutual trust, creating a safe, nonjudgmental environment where patients feel respected and empowered to actively engage in their care. She integrates psychotherapy techniques and takes a holistic, person centered approach to treatment.

Dr. Ali believes in collaboration and shared understanding grounded in evidence-based therapies. Her typical process includes developing individualized treatment plans aimed at symptom relief, improved functioning, and overall quality of life. Beyond medication management, she incorporates psychotherapy techniques and psychoeducation to help patients build coping skills and insight.

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Dr. Marcia Morris is a psychiatrist with over thirty years of experience providing medication management as well as supportive psychotherapy to adult patients. She takes a positive psychiatry approach to treatment, prescribing medication while supporting patient strengths, social connections, and healthy habits. She has worked with university students as well as employees in an employee assistance program. She provides care for patients with depression, anxiety, OCD, PTSD, and ADHD. In her previous role as an Associate Professor at the University of Florida, she has done research on the increase in depression and anxiety as well as the increased use of psychiatric medications among university students. She has published academic papers and given national talks in these topics with the goal of decreasing stigma and improving mental health care for young adults. She is a founding member of the Association for College Psychiatry and a member of the American Psychiatric Association college mental health caucus. Dr. Morris provides education to the public about mental health as a writer and public speaker. Her articles have appeared in the New York Times, the Tampa Bay Times, and the Huffington Post. She also has been interviewed on NPR and several podcasts. She currently writes a Psychology Today parenting blog "College Wellness: Promoting Happiness & Health in the College Years.” Her book, "The Campus Cure: A Parent's Guide to Mental Health & Wellness for College Students,” was published January 2018. Dr. Morris has an undergraduate degree from Harvard, a medical degree from Yale, and psychiatry residency training at New York Hospital Cornell Medical Center. She is a Distinguished Life Fellow of the American Psychiatric Association.