Caitlin Tillberg, MD

Tiffany Chaille is a board-certified Psychiatric Mental Health Nurse Practitioner (PMHNP) with nearly a decade of clinical practice and over 15 years of experience working in behavioral health. Her background includes inpatient and outpatient psychiatry, crisis-focused care, community mental health, integrated pain and psychiatry care, and telepsychiatry. She has a growing interest in functional and integrative approaches to mental health. Tiffany earned her Master of Science in Nursing as a PMHNP from Indiana University and her Bachelor of Science in Nursing from Indiana State University.

Tiffany believes mental health care is most effective when patients feel comfortable, supported, and truly heard. She takes a calm, compassionate, and nonjudgmental approach, meeting patients where they are. Her care focuses on practical, real-life treatment plans while considering sleep, stress, medical factors, and lifestyle influences. She values collaboration and aims for patients to feel informed, involved, safe, and confident throughout their care.

Tiffany begins by getting to know the person beyond the symptoms and understanding what brought them to care. She works collaboratively to develop individualized, realistic treatment plans using evidence-based medication management. Ongoing follow-up, thoughtful adjustments, clear communication, and a whole-person approach guide her work, with an emphasis on consistency and long-term support.

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.

Dr. Roxanne McClung is a board-certified psychiatrist, specializing in general adult psychiatry.  She completed her General Psychiatry Residency at the University of Texas Health Science Center at Tyler, where she served as Chief Resident in her final year of training. She earned her MD (Doctor of Medicine) from the American University of the Caribbean, a Master of Science in Clinical Psychology from the University of Texas at Tyler, and a Bachelor of Arts in Psychology from Southern Methodist University. With over 20 years of experience in the mental health field, Dr. McClung brings a uniquely comprehensive and well-rounded approach to psychiatric care.  Having served in multiple roles – including case manager, psychotherapist, and program/clinical director –she has a deep understanding of patient care across various settings and perspectives.

Dr. McClung is passionate about helping people through life’s challenges. She creates a non-judgmental, patient-centered environment that fosters open communication and collaboration. She emphasizes individualized care that integrates medicine, lifestyle interventions, and psychotherapy. Treatment plans are grounded in the understanding that mental health is influenced by biological, psychological, social, and lifestyle factors.

Dr. McClung begins with a thorough assessment to understand each patient’s history, concerns, and goals. She works collaboratively to create a personalized treatment plan, and her approach ensures clarity, respect, and patient involvement throughout the process.

Dr. Jennifer Shoenfelt is a staff psychiatrist at Talkiatry. She is double board certified in child and adolescent psychiatry and adult psychiatry. She has been practicing for over 14 years. Dr. Shoenfelt's practice focuses on child and adolescent medication management. Typically, she offers this in conjunction with supportive or emotionally focused therapy in 30-minute follow-up visits. However, occasionally Dr. Shoenfelt may believe that additional therapy is needed and will ask that you bring a therapist into your care team to provide the best outcome. She provides treatment plans that include holistic recommendations for diet, exercise, and educational and psychosocial/spiritual aspects of care. She is known for listening to and respecting patients' stories and walking them on a path of recovery and growth. Dr. Shoenfelt received her medical degree from the Boonshoft School of Medicine at Wright State University in Dayton, Ohio. She earned her Bachelor of Science degree in Physical Therapy from The Ohio State University. Dr. Shoenfelt practiced for 14 years in physical therapy with a specialization in children with developmental and neurological disabilities before attending medical school. Dr. Shoenfelt has held multiple positions in hospital and outpatient psychiatry, including community mental health, developmental and foster care settings, and medical director positions. She has served as clinical faculty for both the Wright State Department of Psychiatry and the University of Cincinnati School of Medicine. She has a passion for the education of medical students, residents, and patients. Dr. Jennifer Shoenfelt is a staff psychiatrist at Talkiatry. She is double board certified in child and adolescent psychiatry and adult psychiatry. She has been practicing for over 14 years.

Iesha Whitaker is a Licensed Clinical Social Worker that graduated in 2012 from Hunter College School of Social Work. She has been practicing since that time. Ms. Whitaker has worked with many populations including, Women, Men, adults aged 18 and up, homeless population, parents with children in foster care and parents in need support and learning communication skills with teens. Ms. Whitaker has knowledge of working with clients recently discharged from a psychiatric hospital setting as well as the.  hospital discharge planning process, and emergency room care. Her primary areas of focus are helping clients that suffer with Depression, Anxiety, ADHD, Stress, Trauma, Relationship issues, PTSD, Life transitions as well as Emotional Dysregulation. Ms. Whitaker enjoys working closely with clients that struggle with healthy lifestyles, poor decision making, suffering with substance use disorder and people dealing with chronic homelessness, Domestic violence and challenges of daily living. Ms. Whitaker uses treatment modalities such as Cognitive Behavioral therapy, Dialectical Behavior Therapy, Mindfulness, Motivational Interviewing, Narrative Therapy, Supportive Therapy, Solution Focused Therapy, Trauma focused Therapy, Psychodynamic Therapy, Acceptance and Commitment Therapy and many other modalities. Ms. Whitaker has a passion for helping the are less fortunate and have challenges with routine daily activities, basic life needs such as food, housing, education, work stress and chronic medical conditions. Ms. Whitaker is very warm and open, very personable and allows her clients to work at their own pace. Ms. Whitaker enjoys helping clients to gain healthy insight to their conditions and allows clients to create the future they want for themselves.

Working with Ms. Whitaker will be an open, collaborative experience. Ms. Whitaker will help the client create the best version of themselves, while teaching the client to identify concrete obtainable goals.

Ms. Whitaker typical therapeutic process is a somewhat structured and flexible framework that provides empathy, rapport building and using evidence-based practices to provide mental health treatment. She uses a collaborative therapeutic relationship that warmly welcomes the client into therapy, discuss limits of confidentiality as it pertains to self harm or harm to others. She discuss the length of sessions and the frequency of meetings, invite questions from client and describe their role in the treatment process. Provides a safe space where a client can express themselves in an environment open to all cultures, gender identities while helping clients explore their strengths. Clinical assessments by use of standardized tools PHQ-9, GAD-7, and client interview and report. Clinician continues to monitor and track safety and implement Evidence based Interventions such as CBT, DBT, Solution Focused Therapy, Mindfulness, Psychodynamic and Supportive Therapy to provide care. Over time Clinician continues to revisit progress, highlight growth and obtained goals, moving toward termination when appropriate, also providing aftercare and referrals.

Asli Saba Abaci, MD is a dual board-certified psychiatrist in Adult Psychiatry and Child and Adolescent Psychiatry. She earned her medical degree from Istanbul University Cerrahpasa Medical School and began her career in emergency medicine at a major trauma hospital. She later completed a research fellowship at Georgetown University before finishing her psychiatry residency at Vanderbilt University Medical Center, followed by a Child and Adolescent Psychiatry Fellowship in 2004. Dr. Abaci has served as a faculty member at the University of Rochester Medical Center since 2005 and has extensive experience across hospital, outpatient, and school-based mental health settings. She is deeply passionate about patient care, family involvement, and medical education.

Dr. Abaci values building meaningful, reliable relationships with her patients and believes psychiatric care extends beyond medication management. She prioritizes understanding each patient’s life experiences, circumstances, and cultural background. Open, ongoing communication and cultural humility are central to her approach, and she finds fulfillment in supporting patients’ growth across all stages of life.

Dr. Abaci begins care with a comprehensive understanding of each patient’s past and present, emphasizing collaboration with families and other providers when appropriate. She strives to offer the highest quality care by discussing thoughtful treatment options in a safe, supportive, and trustworthy environment. Teamwork and individualized care are essential components of her practice.