Margaret Ngumi, PMHNP

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.

‍

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.

‍

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.

‍

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.

‍

Thomas Ittoop, MD is a psychiatrist with experience practicing in both academic and community settings. He earned his medical degree from Central Michigan University and completed his psychiatry residency at Baylor College of Medicine. His clinical work is grounded in thoughtful, patient centered care that combines medical rigor with a deep respect for the complexity of each individual’s life.

Dr. Ittoop fosters a warm, collaborative environment grounded in genuine human connection. He values exploring the deeper patterns that shape emotional life and the meaning beneath symptoms. Patients can expect transparency, clear communication, and shared decision making that honors their strengths, goals, and long-term well-being while helping them cultivate resilience and greater self-understanding.

Treatment begins with a thorough evaluation exploring symptoms, personal and family history, personality patterns, and the changes patients hope to achieve in their lives. From there, Dr. Ittoop works with each patient to develop a personalized treatment plan that includes thoughtful psychiatric medication management, supportive psychotherapy, and ongoing follow up. While he frequently works with patients experiencing anxiety and related conditions, his practice does not include prescribing benzodiazepines such as Xanax, Ativan, or Klonopin. Care instead focuses on evidence-based treatments that support lasting stability and deeper psychological understanding.

Daniel Ebert, MD, earned his medical degree from Vanderbilt University School of Medicine and completed his psychiatry residency at Massachusetts General Hospital and McLean Hospital. He has served on the faculty at Harvard Medical School and Johns Hopkins School of Medicine for over 15 years. Board certified in psychiatry by the American College of Psychiatry and Neurology, Dr. Ebert has extensive experience treating mood, anxiety, psychotic, and substance use disorders across inpatient and outpatient settings, including student mental health, community psychiatry, and academic outpatient practices.

Dr. Ebert strives to create a respectful environment where patients feel heard as they build a strong therapeutic alliance. He values long-term collaboration to achieve meaningful treatment goals and improve quality of life. With clinical experience guiding his approach, he offers reasonable therapeutic optimism while addressing challenging symptoms and issues.

Dr. Ebert begins with a comprehensive clinical assessment to understand each patient’s symptoms, life story, behavior, and personality. He develops a collaborative treatment plan, revisiting it over time. Follow-up appointments integrate medication management, if prescribed, and psychotherapy tailored to the individual, using a combination of standard therapeutic approaches aligned with the shared plan.

Dr. Maria Teresa Carvajal is an adult, child, and adolescent psychiatrist. She is originally from Guayaquil, Ecuador, and is bilingual in Spanish and English. Dr. Carvajal earned her medical degree from Universidad de Guayaquil in Ecuador. She then participated in a medical program at The William J. Harrington Training Program for Latin America and the Caribbean, at Jackson Memorial Hospital, an affiliate of the University of Miami in Florida. Afterwards, she completed her adult psychiatry residency at Icahn School of Medicine at Mount Sinai, Bronx Care Health System, and her fellowship in child and adolescent psychiatry at Northwell Health in New York. She has experience working in various settings, including inpatient, outpatient, and emergency departments. Dr. Carvajal has submitted and presented work to the American Psychiatric Association and has also collaborated on a book publication. Dr. Carvajal has experience treating children and adults with anxiety, depression, OCD, PTSD, ADHD, dementia, etc. She utilizes medication management in conjunction with emotional and supportive therapy in 30-minute follow-up visits. She is passionate about her work and understands the impact of mental illnesses in daily life activities and in the family system. She will work with each patient in an individualized manner and will tailor personalized treatment plans that may include pharmacological treatment. In addition, Dr. Carvajal may recommend including a therapist in your care team to provide the best outcome.‍

Dr. John Lundeen earned his medical degree from the Medical College of Georgia and completed his psychiatry residency at TriStar Centennial Medical Center. He has worked with adults of all ages in both outpatient and inpatient settings, bringing a wide range of experience to his practice.

Dr. Lundeen approaches every patient with respect, empathy, and a genuine desire to understand their unique experience. He recognizes that seeking treatment can be intimidating and strives to create a welcoming, non-judgmental environment where patients feel safe and heard.

Dr. Lundeen believes in a collaborative treatment process, prioritizing each patient’s goals, values, and input. He emphasizes mental health education as a core component of care, empowering patients to better understand their treatment options and take an active role in their well-being.

Dr. Maxwell Schauermann is a board-certified addiction psychiatrist. He completed his medical school and residency training at Loma Linda University in sunny Southern California. He was recognized by his colleagues as Chief Resident of inpatient services for his leadership and problem-solving abilities. His passion for caring for people with substance use disorders led him to complete specialized training in Addiction Psychiatry at the University of Washington in 2024. Dr. Schauermann is known for his patient-centric approach and nonjudgmental, easy-going attitude. He typically offers 60-minute new visits and 30-minute follow-up visits. He excels in treating both psychiatric and addiction disorders, utilizing a broad array of therapeutic modalities, including psychiatric medications, supportive therapy, cognitive-behavioral therapy, dialectical behavior therapy, psychodynamic-based therapy, prolonged exposure therapy, and motivational enhancement therapy. His treatment philosophy centers on empowering patients to heal holistically�body, mind, spirit, and relationships�ensuring each individual receives tailored and evidence-based care.