Mary Poupon, PMHNP

Dr. Michael Heneghan earned his medical degree from Cardiff University in Wales, United Kingdom, and practiced in both inpatient and outpatient settings in the UK and Australia before moving to the United States. He completed his psychiatry residency at Tufts Medical Center in Boston and a fellowship in forensic psychiatry at the University of Colorado. Board certified in Psychiatry and Neurology, Dr. Heneghan draws on experience with psychodynamic psychotherapy, CBT, and ACT to provide well-rounded, evidence-based care.

Dr. Heneghan brings a calm, kind, thoughtful, and thorough approach to his work. He prioritizes creating a safe and supportive space where patients feel respected and understood, helping them feel comfortable sharing openly as they move toward recovery and personal growth.

In the initial session, Dr. Heneghan carefully listens to each patient’s concerns, explores their history, and works to understand their goals. He provides a clear assessment and explanation before collaborating on a personalized treatment plan. His process is rooted in open communication, shared decision-making, and a commitment to empowering patients in their journey toward wellness.

Dr. Sara Mateo holds the position of staff Psychiatrist at Talkiatry. She is a board-eligible adult Psychiatrist. Dr. Mateo completed her Medical degree at the University of Benghazi- Faculty of Medicine and finished General Psychiatry Residency training at Tower Health/DrexelPhoenixville Hospital. Throughout her career, Dr. Mateo has actively contributed to various leadership roles and committees, demonstrating her commitment to advancing medical education and promoting diversity in the field. During her training, she generously shared her knowledge through educational presentations and lectures, fostering the growth of fellow trainees and medical students. Dr. Mateo is dedicated to creating a therapeutic environment characterized by warmth, empathy, and nonjudgmental support. Her approach involves collaborating with patients to develop individualized treatment plans that consider cultural, biological, psychological, and social factors. With a primary focus on medication management, Dr. Mateo's keen interest in psychotherapy is evident, as she often integrates supportive therapy, cognitive behavioral therapy, and psychodynamic psychotherapy during 30-minute follow-up visits to optimize wellness and recovery. Dr. Mateo brings a wealth of experience in caring for individuals of diverse ages and backgrounds, adeptly addressing a wide spectrum of conditions. Her expertise extends to treating depressive disorders, bipolar disorders, anxiety disorders, trauma and stress related disorders, ADHD, OCD, Insomnia, psychotic disorders; she also has experience treating individuals with medical comorbidities.

Background  and credentials    

Dr. Christa DeFries is a board-certified Adult Psychiatrist. She earned her  medical degree from UT Southwestern Medical School in Dallas, Texas, and  completed her residency in Adult Psychiatry at Baylor Scott & White in  Temple, Texas. Following residency, Dr. DeFries gained additional experience  treating homeless and formerly homeless populations in New York City,  particularly focusing on individuals with histories of trauma and substance  addiction, prior to joining Talkiatry.    

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Treatment approach    

Dr. DeFries practices Adult Psychiatry, employing an integrative treatment  approach combining medication management, psychotherapeutic methods, and  lifestyle modifications. She recognizes that each patient benefits from a  personalized mix of these three aspects of care. Dr. DeFries specializes in  treating diverse psychiatric conditions, including those related to trauma,  substance addictions, and various mental health disorders.    

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What you can expect in a first visit    

In a first visit with Dr. DeFries, patients can expect a comprehensive  evaluation aimed at understanding their individual mental health history,  specific concerns, and overall treatment goals. Dr. DeFries emphasizes an  individualized approach, carefully exploring the best combination of  medication, therapy, and lifestyle adjustments tailored specifically to each  patient's needs. Patients can anticipate an empathetic and collaborative  environment focused on their personal experiences and goals.    

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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 Hannah Goddard is an adult psychiatrist who is originally from Northeast Ohio. She earned her undergraduate degree at Marquette University and completed her medical degree at Lake Erie College of Osteopathic Medicine in Erie, PA. Dr. Goddard completed her residency in psychiatry at MetroHealth Medical Center in Cleveland, Ohio, where she served as chief resident her final year.

Dr Goddard has experience treating a wide range of conditions including depression, anxiety, ADHD, and PTSD. The initial evaluation includes taking a comprehensive history and getting to know patients as individuals.

Her clinical philosophy centers on an empathetic, nonjudgmental, holistic approach. Dr Goddard collaborates closely with patients to develop a personalized treatment plan that integrates psychiatric medication management with supportive psychotherapy as well as elements of CBT.

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Background and credentials

Dr. Schaefer is a board-certified adult psychiatrist with over 16 years of experience. She earned her medical degree from the University of Nebraska Medical Center in Omaha, NE, and completed her adult psychiatry residency at Oregon Health and Science University in Portland, OR. She then specialized further by completing a forensic psychiatry fellowship at Yale University. She has worked as a staff psychiatrist at Atrium Health System for over 16 years.

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Treatment approach

Dr. Schaefer’s practice primarily focuses on medication management, which she offers in conjunction with supportive therapy and elements of cognitive-behavioral therapy (CBT). She takes a patient-centered and collaborative approach, ensuring that treatment is tailored to each individual’s needs. If additional therapy is required, she may recommend working with a therapist as part of a comprehensive care plan. Her primary focus areas include depression, anxiety disorders, and obsessive-compulsive disorder (OCD).

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What you can expect in a first visit

During the first visit, patients can expect a thorough psychiatric evaluation, where Dr. Schaefer carefully assesses their symptoms, treatment history, and mental health goals. She works collaboratively with patients to develop a personalized treatment plan, which may include medication management and therapy recommendations. Follow-up visits are typically 30 minutes and focus on monitoring progress, adjusting treatment as needed, and ensuring the best possible patient outcomes.

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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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Dr. Akshar Brahmbhatt, DO, attended the University of Tennessee, Knoxville, where he majored in Economics before earning his medical degree from Lincoln Memorial University. He completed his psychiatry residency at the University of Tennessee Health Science Center in Memphis. He has experience in both inpatient and outpatient care and brings expertise in ADHD, depression, anxiety disorders, bipolar disorder, bipolar depression, OCD, and a wide range of psychiatric conditions.

Dr. Brahmbhatt creates a warm, collaborative environment where patients feel heard and respected. He values open communication and works with patients to set meaningful, realistic goals at a pace that feels comfortable. Using evidence-based treatments, he explains the reasoning behind each approach so patients feel informed and empowered throughout their care.

In the first session, Dr. Brahmbhatt takes time to understand each patient’s history, concerns, and goals. Together, they identify key areas of focus and build an individualized treatment plan. Follow-up sessions build on progress, address challenges, and adjust the plan as needs evolve. He works at the patient’s pace, helping them explore patterns, gain insight, and develop a sustainable path forward.