Alejandra Cattan, MD

Dr. Thistlethwaite is a board eligible adult psychiatrist and internal medicine physician. He completed his medical education at West Virginia University School of Medicine. Following completion of medical school, Dr. Thistlethwaite completed residency training at WVU/Charleston Area Medical Center with a dual specialization in internal medicine and psychiatry. Dr. Thistlethwaite's training included treatment of patients both in the inpatient and outpatient setting as well as management of patients with comorbid medical conditions. During his training Dr. Thistlethwaite became passionate about approaching patients in a holistic manner that addressed both their physical and mental health. He is especially passionate about ensuring that patients with mental health disorders are provided with appropriate general medical care as they are a marginalized and underserved group. Dr. Thistlethwaite's practice focuses on medication management for a wide array of conditions including depression, anxiety disorders, bipolar disorder, obsessive compulsive disorder, tic disorder/Tourette's, and post traumatic stress disorder. Dr. Thistlethwaite incorporates supportive psychotherapy, cognitive behavioral therapy interventions, and some psychodynamic therapy skills in his practice as well. Dr. Thistlethwaite believes in a collaborative and holistic approach to mental healthcare that incorporates the patient as well as all members of the healthcare team in every aspect of care.

Mariah Ide is a Licensed Clinical Mental Health Counselor who has a passion for helping people see their true potential. Mariah earned her master's degree in mental health counseling from Stetson University in Deland, Florida, and also graduated with a bachelor's degree in psychology and criminology from the University of Florida located in Gainesville, Florida. Mariah has experience with children, adolescents, and adults. Mariah has worked in school, hospital, and outpatient based settings. She has clinical practice experience with mood disorders, self esteem issues, gender identity, crisis intervention, family issues and trauma, with a certification in complex trauma. In addition to counseling, Mariah has also worked in case management and has a unique perspective behind resource utilization. She has worked on countless projects in the community to promote mental health awareness. Mariah believes in advocacy for her clients as well as the mental health field, and hopes to promote acceptance and decrease stigma related to mental health and mental health treatment. Mariah takes a person-centered approach with her clients and believes in meeting the clients where they are. Mariah hopes to empower her clients by giving them a safe environment to explore and learn more about themselves without judgment. She sees the importance in looking at the whole picture when working with a client. Mariah hopes to create rounded goals to promote long term success, and help the client feel more balanced overall. She uses solution focused and cognitive behavioral interventions to help clients build a tool box of skills that can help them cope with daily life. Mariah wishes to help her clients reach their full potential, while hopefully making them laugh once in a while during the process.

Background and credentials

Dr. Matthew Koller is a board-certified adult psychiatrist who completed his undergraduate training at The University of Texas at Austin. He earned his medical degree from The University of Texas Health Science Center at San Antonio and completed his general adult psychiatry residency at Baylor College of Medicine in Houston, TX, where he served as Chief Resident of Education in his final year of training.

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Treatment approach

Dr. Koller believes that understanding a patient fully is essential before treatment begins, emphasizing a collaborative and patient-centered approach to care. His practice is primarily focused on medication management, but he also incorporates supportive therapy and other therapeutic modalities as needed. He may recommend including a therapist in the treatment plan to ensure comprehensive, well-rounded care. He has experience treating a wide range of mental health conditions, including depression, anxiety, insomnia, personality disorders, bipolar disorder, PTSD, and psychotic disorders.

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What you can expect in a first visit

During the first visit, patients can expect a thorough and individualized psychiatric evaluation, where Dr. Koller takes the time to understand their symptoms, history, and treatment goals. He prioritizes open communication and shared decision-making, working closely with patients to develop personalized treatment plans. While medication management is the foundation of his approach, he remains flexible and adaptive, incorporating therapy and other interventions as needed to help patients achieve optimal mental health.

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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. 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.

Dr. Catherine Bledowski is board-certified in General Psychiatry and Consultation-Liaison Psychiatry (Psychosomatic Medicine) by the ABPN.  She received her medical degree from the University of South Carolina School of Medicine and completed her residency in General Psychiatry as well as her fellowship in Consultation-Liaison Psychiatry (Psychosomatic Medicine) at Virginia Commonwealth University.  Dr. Bledowski spent most of her career in large, urban academic medical centers, primarily taking care of patients with severe mental illness, as well as those with mental illness comorbid with other complex medical conditions.  

Dr. Bledowski has a passion for medical education and has held faculty appointments at Virginia Commonwealth University, University of Utah, Georgetown University, George Washington University, and Walter Reed National Military Medical Center.  Dr. Bledowski has authored numerous peer-reviewed journal articles and provided academic presentations to both national and international audiences.  Her interests include emergency psychiatry, brain stimulation therapies, complex psychopharmacology, and psychopharmacology in the medically ill.  Prior to joining Talkiatry, Dr. Bledowski held various leadership positions in academic medicine, emergency psychiatry, consultation-liaison psychiatry, and brain stimulation at multiple academic medical centers.  

Dr. Bledowski's approach to patient care is centered upon collaboration and utilizing the most up-to-date evidence-based practices.

Donna Duggan, LMHC, earned her Bachelor of Science in Criminal Justice from the University of Massachusetts and a Master’s Degree in Clinical Counseling from Walden University. Her professional journey began in law enforcement, later leading to education and mental health advocacy. Donna’s work as a crisis advocate for survivors of sexual assault and domestic abuse inspired her to pursue counseling full time. Since earning her graduate degree in 2015, she has worked extensively with children, families, and adults, specializing in trauma recovery and empowerment.

Donna values open communication and believes in creating a warm, supportive environment where patients feel respected and understood. With over fifteen years of experience helping individuals heal from trauma, she views the therapeutic process as an opportunity for patients to reclaim their voices and move from “victim to survivor” on their own terms. Patients can expect empathy, collaboration, and a strong sense of safety in her care.

Donna begins each therapeutic relationship by establishing trust and safety, encouraging honest dialogue around personal and family challenges. She integrates education, reflection, and resource sharing on topics like communication and conflict resolution. Together with patients, she develops personalized short- and long-term goals rooted in their individual and cultural values, ensuring therapy supports meaningful and lasting growth.