Justin Jones, MD

Dr. Sharon Kahler is Board Certified in Adult and Child & Adolescent Psychiatry and treats patients of all ages. She has over a decade of experience in both community mental health centers and private practice, working with individuals from diverse backgrounds. She earned her medical degree from New York Medical College, completed Adult Psychiatry Residency at New York-Presbyterian/Weill Cornell, and completed Child and Adolescent Fellowship training at NYU Langone and Bellevue Hospital. Her clinical interests include mood and anxiety disorders, PTSD, and childhood psychiatric disorders.

Dr. Kahler is committed to providing compassionate, high-quality mental health care. She fosters a therapeutic, nonjudgmental environment where patients can openly share their concerns and values. Viewing treatment as a partnership, she encourages patients to play an active role in their care and takes a whole-person approach, considering lifestyle, environmental, and social factors that contribute to healing.

Dr. Kahler begins with a comprehensive assessment to understand each patient’s history, background, and treatment priorities. She develops individualized treatment plans using evidence-based approaches, supporting patients in navigating life’s challenges and finding a path to mental wellness.

Dr. Sierra-Cintron is board-certified in adult psychiatry by the American Board of Psychiatry and Neurology and has been in practice for 12 years. Dr. Sierra-Cintron focuses her practice on medication management. She also engages in supportive therapy in a comprehensive way, focusing on the patient as a whole and not just the symptoms. Dr. Sierra-Cintron has a broad understanding of vitamin support as an adjunctive treatment to traditional medication. She has broadened her understanding of second-line treatment, having been certified in Electroconvulsive Therapy (ECT), conducting clinics in Clozapine and Long-Acting Antipsychotics (LOA), and even conducting assessments for patients interested in weight loss surgery. Dr. Sierra-Cintron has a comprehensive approach to treatment, and might consider the addition of therapy, either by referral or collaborating with an existing therapist for a more rounded approach and improved outcome. Dr. Sierra-Cintron received her medical degree from the Universidad Central del Caribe located in Bayamon, Puerto Rico. Upon graduation, she relocated to Philadelphia, where she started her residency program at Einstein Medical Center. After completing her training, she worked for 8 years in a community mental health clinic, treating an underserved population in all modalities of psychiatric care. In her 12-year career, Dr. Sierra-Cintron has treated both adult males and females, including seniors. This has led to varied and wide-ranging diagnoses during the length of her career. After leaving the community clinic setting, she started working for an outpatient clinic in a suburb of Philadelphia. Dr. Sierra-Cintron's current areas of focus are adults with Mood Disorders, Anxiety Co-Occurring Substance disorders, as well as patients with varied concomitant medical problems.‍

David Arabie is a licensed professional counselor and certified tobacco treatment specialist with extensive experience working in the mental health field. David has worked directly with clients from various demographics and in various clinical settings, from inpatient hospitals, outpatient clinics, private practice, to working with the incarcerated. David has a long history of working with clients with an array of mental health conditions and challenges, from mood disorders, adjustment-related issues, addiction, family dynamics, relationship issues, emotional trauma, behavioral issues, anger management, and clinical anxiety and depression. He has a working knowledge of psychotropic medications to help with med-compliance and treatment barriers. David obtained undergraduate and graduate degrees from the University of Houston Clear Lake in Houston, Texas. David has been practicing as an LPC for 19 years but has also worked as a Licensed Chemical Dependency Counselor before obtaining his LPC. Working with David, treatment is tailored to the individual, so the goals of therapy can be met, and the client can experience a sense of vested interest in their own emotional contentment and growth. David uses an eclectic approach to therapy, with a strong foundation in Solution-Focused Therapy, Cognitive-Behavioral Therapy, and Rational Emotive Behavioral Therapy. Personally, David is a musician, community theater actor, educator, coach, and swim official.‍

Dr. Maria Lapchenko is a Doctor of Osteopathic Medicine (DO) and is double board-certified in adult and forensic psychiatry. She has experience working in both inpatient and outpatient settings and treats a wide range of psychiatric conditions, including anxiety, mood, personality, and trauma-related disorders. Dr. Lapchenko values thoughtful, individualized care and approaches psychiatry with curiosity, compassion, and respect for each patient’s lived experience.

Patients can expect a collaborative, supportive relationship built on trust and shared decision-making. Dr. Lapchenko believes that high-quality psychiatric care starts with listening and understanding each patient’s goals and concerns. She emphasizes transparency, patient education, and tailoring treatment plans to meet individual needs.

Dr. Lapchenko begins with a comprehensive evaluation to understand symptoms, history, and priorities. For many patients, she finds that combining medication management with talk therapy leads to the most effective outcomes, and she is experienced in providing both. She currently provides virtual care to adult patients in Pennsylvania, Ohio, and New York.

Dr. Thomas Spina is an adult psychiatrist who began his practice at Talkiatry after completing his psychiatry residency at the Eastern Long Island branch of Stony Brook University, where he treated a diverse patient population. Dr. Spina received his undergraduate degree from St. John's University in Queens where he studied Philosophy. Initially interested in a career in law, Dr. Spina decided to change gears and pursue a career in medicine after watching a relative struggle with her diagnosis of Diabetes Mellitus. Dr. Spina then completed medical school at Tel Aviv University in Israel, where he fell in love with psychiatry during his clerkship at Ichilov medical center. During that rotation, he came to appreciate how each patient has his or her own unique story, regardless of their diagnosis. Dr. Spina favors a holistic and integrative approach to psychiatry, combining medication management with supportive therapy, elements of cognitive behavioral therapy, while remaining open to other treatment modalities depending on the needs of his patients. When more focused therapy is indicated, Dr. Spina may recommend that his patient work with a provider specializing in a particular modality of therapy as part of their treatment. Dr. Spina treats adult patients with mood disorders including major depressive disorder and bipolar disorder, anxiety spectrum disorders, OCD, PTSD and specific phobias. In his spare time, Dr. Spina enjoys a variety of hobbies, including Brazilian Jiu-Jitsu, running, baseball, and exploring new eateries and shops.

KaShunda "Shun” Davis is a Licensed Professional Counselor in Texas. She received her Master of Science in Counseling at Amberton University and postgraduate studies in Professional Counseling and Development at Lamar University. Shun has worked in various settings in the mental health field including community-based counseling centers, private practice, and large group practices providing counseling services to adults, couples, and adolescents. Her professional experience has focused on mood disorders (depression, bipolar disorder, persistent affective disorder), anxiety, trauma, personality disorders, self-esteem and confidence, gender identity and LGBTQIA+ concerns; relationship concerns, and life transitions. Shun's integrative therapeutic style provides an emotionally safe space that supports self-exploration, empowerment, and authenticity. Specializing in cognitive behavior therapy, dialectical behavior therapy, trauma-focused therapy, narrative therapy, and mindfulness; she tailors her approach to meet the unique needs of each individual. She is dedicated and passionate about assisting individuals to work through barriers to create the lives and relationships that they desire and to develop a sense of personal strength and self-acceptance. She celebrates and welcomes the diversity of all clients and strives to create an affirming, inclusive, and non-judgmental space to explore individual needs and therapeutic goals.