TreSina Steger, LPC

Dr. Amada holds the position of staff psychiatrist at Talkiatry. She was born and raised in Queens, NY. She completed her undergraduate education at New York University, followed by medical school at SUNY Downstate College of Medicine in Brooklyn, NY. She went on to complete her psychiatry residency at Stony Brook University Hospital, where she received an award for academic achievement. Dr. Amada believes in a holistic approach to mental health that addresses lifestyle factors alongside medication management. She values the importance of both therapy and medication in treating mental illness.

Dr. Amada takes a collaborative approach to care and strives to involve her patients in every step of the treatment process. She believes in creating a safe, supportive, and nonjudgmental space where patients can openly discuss their concerns. While her focus is on medication management, she often recommends incorporating additional therapy into the treatment plan and may ask that patients work with a therapist to help achieve the best outcomes.

Dr. Amada works closely with her patients to develop personalized treatment plans. She believes in open communication, shared decision-making, and taking into account the whole person when addressing mental health concerns. Her goal is to ensure that patients feel heard, supported, and actively engaged in their care.

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Dr. Mary Lou Gutierrez is board-certified in both Child & Adolescent Psychiatry and General Psychiatry, with over 20 years of clinical experience. She earned her M.D. from Loyola University Medical Center, where she also completed her residency in Adult Psychiatry. She pursued fellowship training in Child and Adolescent Psychiatry at Northwestern University’s Children’s Memorial Hospital. Her past roles include Medical Director for Compass Health Center’s Under 18 Program and Attending Psychiatrist at Loyola. She has been recognized as a “Top Doctor” in Child and Adolescent Psychiatry by US News and World Report and Negocios Now.

Dr. Gutierrez fosters a warm, collaborative environment where patients and families feel supported and understood. She emphasizes open communication and works closely with patients to define meaningful, realistic treatment goals. Her holistic, family-centered approach integrates medication management, therapy, and psychoeducation with a deep commitment to cultural sensitivity and compassionate care.

Dr. Gutierrez begins by learning each patient’s personal story, clinical history, and goals through a comprehensive evaluation. She creates individualized, evidence-based treatment plans tailored to each child’s unique needs and family context. She continuously collaborates with patients, families, and care teams to ensure treatment remains effective, combining psychotherapy, medication management, and coordination with other providers and resources.

Dr. Stephanie Negrey is a board certified psychiatrist. She completed her undergraduate degree in Biology and History at Fordham University in the Bronx and then attended medical school at the Renaissance School of Medicine at Stony Brook University. She completed her residency at Wright State University in Dayton, Ohio as a member of the United States Air Force. Dr. Negrey served as an active duty psychiatrist; her duties included medical director of the mental health clinic at a special operations base as well as a program manager for the Air Force substance use program.

Dr. Negrey has experience treating a wide range of ages and diagnoses, with particular emphasis on personality disorders, depression, anxiety, and post traumatic stress disorder. She integrates supportive and psychodynamic therapies into her medication management appointments with a goal of achieving improvement through a holistic approach. Dr. Negrey will work with patients to reach their goals for their mental health care while also providing a compassionate and collaborative environment.

Dr. Gregory Arthmann recently passed the ABPM Addiction Medicine board exam. Dr. Arthmann is an ABPN board‑certified psychiatrist who received his medical degree from the University of Sint Eustatius. He completed two years of Internal Medicine residency at WellSpan York Hospital in Pennsylvania prior to completing his Psychiatry residency training at East Carolina University in North Carolina.

Dr. Arthmann has over 10 years of experience practicing psychiatry and has treated a broad spectrum of acute and chronic psychiatric disorders. He utilizes a patient-centered, biopsychosocial approach to psychiatry, primarily focusing on psychopharmacological interventions that align with each patient’s unique treatment goals and clinical needs. His practice style centers around medication management with adjunctive supportive therapy tailored to individual needs. Depending on each patient’s circumstances, he may recommend additional support from individual, family, or group counselors and therapists to achieve optimal outcomes.

During an initial visit, patients can expect a thorough and collaborative discussion focused on their symptoms, treatment goals, and clinical needs. Dr. Arthmann will evaluate the patient’s condition to determine appropriate medication interventions and discuss personalized treatment recommendations. Typical follow-up visits are approximately 20–30 minutes in length. Depending on the severity and complexity of a patient’s situation, referral for additional counseling or therapy may be suggested.

Matthew Green is a Licensed Mental Health Counselor in the state of New York with over seven years of experience in outpatient settings, both in person and virtual. He earned his master’s degree from St. Bonaventure University and began his career at Olean Counseling Center, where he also completed his internship. Licensed since 2022, Matthew brings compassion and clinical expertise to each session.

Matthew strives to create a warm, supportive, and open space where clients feel safe, heard, and respected. He believes trust is essential to meaningful therapeutic work and values open communication to set clear, collaborative goals. His approach is grounded in mutual respect and genuine connection.

In the first session, Matthew gathers a thorough history to understand the full scope of a client’s experiences and goals. He then creates an individualized treatment plan and focuses initially on coping strategies to support day-to-day functioning. As therapy progresses, the work shifts toward deeper issues and goal achievement.

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Pamella Bess-Tabb is a Licensed Clinical Social Worker (LCSW, LICSW) and Certified Advanced Social Work Case Manager (C-ASWCM) with nearly a decade of experience across behavioral health, medical, educational, and community settings. She has supported adults and children navigating ADHD, anxiety, depression, and life transitions, using a practical, trauma-informed approach that emphasizes real-world tools and growth.

Pamella takes a collaborative, down-to-earth approach. She values authenticity, respect, and tailoring care to each person’s needs. Patients can expect a supportive partner who meets them where they are, helping them feel heard, understood, and empowered.

Her methodology blends CBT, Motivational Interviewing, and Mindfulness. Pamella focuses on executive functioning, coping strategies, and practical habits that reduce overwhelm. Through therapy and case management, she helps patients build skills that lead to sustainable change and greater confidence in managing life’s challenges.