Tyler Josephs, DO

Dr. Thomas Simeone is Board Certified by the American Board of Psychiatry and Neurology in Psychiatry.  Following his completion of medical school at Universidad Autonoma de Guadalajara, he completed his Fifth Pathway Clinical Training at New York Medical College.  He then completed his Psychiatry Residency at Tuft's University in Boston, MA, and went on to complete a Child and Adolescent Fellowship Program at the University of Florida in Gainesville FL.  He has since worked in both hospital inpatient and outpatient settings, as well as in Residential Treatment for adolescents. Dr. Simeone has treated a wide spectrum of mental health conditions including Anxiety and Depression Disorders, as well as Mood Disorders and Post Traumatic Stress Disorder. He has also treated ADHD, OCD and Eating Disorders in adults and adolescents. Dr. Simeone has worked in Telehealth Practice for the past 4 years. He is a Fellow of the American Psychiatric Association (APA) and a member of the American Medical Association (AMA).

Dr. Simeone utilizes medication management and psychotherapy practices to achieve treatment goals for his patients.  During an initial assessment and evaluation, a thorough review of the patient's previous mental health treatment is considered.  Dr. Simeone assesses patients' acute symptoms including recent stressors and exacerbating factors and then establishes a comprehensive treatment plan with the patients' goals in mind.  Psychotherapy with medication is incorporated into the treatment plan of all patients.  Dr. Simeone always aims to achieve full remission of symptoms for his patients.

Dr. Simeone's practice focuses on medication management with facets of various psychotherapeutic techniques.  He conducts 30 medication management follow up sessions. Dr. Simeone is a sincere and empathic physician who advocates for patient autonomy and believes in a direct and transparent approach to patient treatment. He encourages active patient participation in their treatment plans.

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Dr. Theresa Colberg is a board certified adult psychiatrist. She offers guidance with navigating difficult and painful emotions that may result from stressful life situations, such as the loss of or separation from a loved one, work related stressors, burn out, adult and childhood trauma, OCD and mood disorders including major depressive disorder, bipolar disorder, and various anxiety disorders. Within a safe, and supportive working relationship, Dr. Colberg will strive to reach an understanding of your unique situation, identify the issues that are interfering with progress, and develop a plan to better identify and achieve your goals.

Previous to joining Talkiatry, Dr. Colberg served as a clinical psychiatrist for the VA Healthcare System, providing care for veterans with a predominant focus on treatment of post traumatic stress disorder. She has also worked collaboratively as an integrated psychiatrist for a primary care FQHC, treating primarily trauma and stressor related disorders within a primary care setting.

Dr. Colberg completed her Psychiatry Residency from Mount Sinai-Beth Israel in New York City and obtained her medical degree from Temple Medical School in Philadelphia. She offers 60-minute initial appointments and 30-minute follow-up appointments, and she won't hesitate to collaborate with other mental health experts as necessary to better support your needs.

Dr. George Han is an adult psychiatrist who earned his undergraduate degree in Materials Science and NanoEngineering from Rice University, his medical degree from the University of Texas Southwestern Medical Center, and completed his psychiatry residency training at the University of Mississippi Medical Center. Now based in New York City, Dr. Han brings a broad geographic and cultural perspective, having previously lived in China, Canada, Illinois, California, Texas, and Mississippi.  

Drawing on these diverse experiences, Dr. Han is committed to providing culturally responsive and identity-affirming care, with a particular focus on immigrant communities, LGBTQIA+ individuals, and high-performance professionals. He uses a collaborative, narrative-informed approach that centers each patient’s lived experience and values. His integrative method helps individuals recognize emotional and behavioral patterns shaped by cultural, relational, and systemic factors.  

In clinical practice, Dr. Han combines evidence-based medication management with appropriate psychotherapy techniques and elements of executive coaching. This comprehensive approach supports patients navigating high-pressure environments, helping them achieve greater clarity, resilience, and confidence across both personal and professional domains

Dr. Mouneimne is a Board-Certified bilingual psychiatrist specializing in general adult psychiatry, bringing extensive experience from her residency training in the underserved area of East Texas. She earned her medical degree from the Texas College of Osteopathic Medicine in Fort Worth and has received broad exposure to child/adolescent, geriatric, and adult inpatient and outpatient psychiatry. With a background in Engineering from Texas A&M University, Dr. Mouneimne employs an analytical approach to diagnose and treat mental health issues through personalized and collaborative care. Her training has included both in-person and virtual encounters to extend care across larger geographic areas. She has experience managing psychiatric care in acute behavioral health units as well as long-term facilities and has focused training in applied Cognitive Behavioral Therapy (CBT). Dr. Mouneimne prioritizes maintaining strong patient-provider relationships, ensuring that patients feel heard and seen to optimize treatment outcomes. She is committed to de-stigmatizing mental health services and providing culturally competent care. Her practice incorporates medication management as part of a comprehensive treatment strategy, emphasizing a deep understanding of the underlying etiology rather than merely addressing symptoms. Known for her compassionate and open bedside manner, she values each patient's unique story as essential to their care. ‍In addition to medication management, her practice includes Cognitive Behavioral Therapy (CBT) and supportive psychotherapy to effectively address complex mental health needs. Dr. Mouneimne strives to promote overall well-being and encourage active patient engagement in their care, ensuring that treatment plans support patient goals, comfort, and meaningful outcomes.

Dr. Alexandre is a board-certified psychiatrist who completed his psychiatry training both in Brazil and in the United States, where he served as Chief Resident in both programs. He is fluent in both English and Portuguese and is especially attuned to the unique challenges faced by international and immigrant populations. Dr. Alexandre is passionate about helping patients achieve meaningful and sustained improvements in their mental health.

He brings over a decade of experience in mental health care and has a strong foundation in evidence-based treatment. His clinical interests include mood and anxiety disorders, ADHD, and cross-cultural psychiatry.

Dr. Alexandre incorporates a collaborative and compassionate approach to care, combining medication management with elements of cognitive behavioral therapy, behavioral activation, and interpersonal strategies when appropriate.

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MassachusettsHolly James Corrigan, RN, MSN, PMHNP, is a board-certified psychiatric nurse practitioner committed to helping people navigate their mental health with skill and heart. She earned her BSN from Russell Sage College in 2009, her MSN from Massachusetts General Hospital Institute for Health Professions in 2016, and completed Psychiatry Redefined’s Fellowship in Functional and Integrated Psychiatry in 2025. Holly keeps current by attending top conferences, like the International Trauma Conference in Boston, ensuring she’s always at the forefront of her field.

Holly’s philosophy is simple yet powerful: care should fit the person, not just the diagnosis. She’s passionate about tackling complex issues—suicide prevention, C-PTSD, chronic depression, ASD, OCD—and advocating for underserved communities. For Holly, it’s about delivering real, meaningful support to those who need it most.

Her career began as a registered nurse in neurology, pediatrics, and emergency care, before she found her calling in psychiatry. Since then, she’s provided medication management and supportive psychotherapy in outpatient clinics and worked in inpatient units serving adults and adolescents.

Holly believes in patient-centered care based on the individual, rather than focusing only on a diagnostic algorithm. The first appointment will include a comprehensive psychiatric evaluation and a discussion about what your goals of treatment are. Pharmacological and therapeutic recommendations are both important elements of the treatment plan. Follow up appointments will be more concise, but may include various therapeutic modalities, medication changes, and supportive psychotherapy.