Rebecca Siwanowicz, LCSW

Dr. Crump is a board-certified psychiatrist at Talkiatry. She is from Kentucky and completed her undergraduate studies at Murray State University. She obtained her medical degree from University of Kentucky College of Medicine and completed her psychiatry residency training at University of Louisville School of Medicine. Afterwards, she completed a fellowship in child and adolescent psychiatry at Medical University of South Carolina.

Dr. Crump has experience in a wide range of diagnoses and patient populations, with particular interest in anxiety, depression, PTSD, substance use disorders as well as the child and adolescent, college, BIPOC, and LBGTQIA+ populations.

Dr. Crump believes in the importance of getting to know each patient as a whole and of understanding the unique experiences that bring them to treatment. She collaborates with her patients to create personalized treatment plans and considers both medication and non-medication options.

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Dr. Patricia Klaine is an attending physician working at Talkiatry. She is board certified in adult psychiatry. After completing her training in adult psychiatry, she continued her education by completing a fellowship in consultation-liaison psychiatry, which enables her to treat patients with a variety of medical comorbidities confidently. Dr. Klaine focuses on medication management. She offers this in addition to supportive psychotherapy in 30-minute follow up visits. For some patients, it may be important to bring in additional psychotherapy for well-rounded care. Dr. Klaine received her medical degree from St. George's University in Grenada, and after that, she completed her training in general adult psychiatry at Maimonides Medical Center in Brooklyn, New York. She went on to complete a fellowship in consultation-liaison psychiatry at Mount Sinai Hospital in New York. After completing her training, she worked on an inpatient psychiatric unit before deciding to transition into outpatient psychiatric care. She looks forward to a collaborative relationship with her patients.

Ayushi Acharya is a Licensed Clinical Social Worker with over 13 years of experience as a therapist. She is dedicated to providing client-centered and compassionate care, drawing on her work with individuals from diverse cultural backgrounds to create an inclusive and safe therapeutic space. Ayushi believes in meeting clients where they are and honoring their unique strengths, values, and life experiences.

Ayushi views therapy as a collaborative process where clients are active participants in their healing journey. She works closely with patients to identify both short-term and long-term goals, ensuring treatment reflects their priorities at every stage. Her approach is warm, supportive, and nonjudgmental, fostering trust so clients can feel comfortable exploring challenges and working toward meaningful growth.

In sessions, Ayushi emphasizes open conversation, active listening, and evidence-based strategies. She helps clients examine patterns, strengths, and challenges while building practical skills to support daily life. Appointments often begin with dialogue and reflection, followed by goal setting and individualized interventions. Ayushi measures progress not only by symptom relief but also by the positive, lasting changes clients experience in their relationships, self-awareness, and overall well-being.

Dr. Zeynep Altun is board-certified in Psychiatry and holds a Ph.D. in Neuroscience. Dr. Altun graduated cum laude from Istanbul University, Istanbul Medical School. She completed her residency training in Neurology and is Turkish board-certified in clinical Neurology. Subsequently, she moved to the U.S. and finished her Ph.D. in cellular Neuroscience at Cornell University Graduate School of Medical Sciences. Dr. Altun completed her psychiatry residency training at Albert Einstein College of Medicine, Department of Psychiatry and after, her clinical fellowship in Comprehensive Psychiatric Emergency Program at Columbia University Medical College, New York Presbyterian Hospital. Dr. Altun has practiced in various settings including Bellevue Hospital, New York Presbyterian Hospital, Columbia Doctors Faculty Practice Office, Mount Sinai West and Mount Sinai Morningside Hospitals. Dr. Altun has held various academic appointments at New York University School of Medicine Department of Psychiatry; New York Presbyterian Hospital-Columbia University Medical College Department of Psychiatry; New York State Psychiatric Institute and Mount Sinai School of Medicine Department of Psychiatry. She spent most of her professional career supervising and teaching medical students, psychiatry residents and nurse practitioners. As an adult psychiatrist, Dr. Altun has extensive theoretical knowledge of the nervous system and its disorders and more than 10 years of experience in treating various mental illnesses including mood disorders, anxiety disorders, psychotic disorders, autism-spectrum and neuropsychiatric disorders, psychiatric emergencies and crisis management as well as cognitive behavioral and supportive psychotherapy. In Columbia Doctors, she collaborated closely with the Lieber Recovery Clinic, treating young adults with various mental illnesses. The philosophy of her practice is to collaborate with patients and work together with them so that they can lead symptom-free, productive, and stable lives.

Dr. Rodriguez is a board eligible adult psychiatrist, who is also fluent in Spanish. He completed residency at North Florida Regional in Gainesville via the University of Central Florida, where he also served as chief resident for education. He received his medical degree from Lincoln Memorial University � DeBusk College of Osteopathic Medicine in Tennessee. He also holds a master's and bachelor's degree in engineering from the University of South Florida, in Tampa. Dr. Rodriguez has worked with a wide array of patients across various medical settings and has experience treating patients with psychiatric illness who may also be suffering from medical comorbidities, such as obesity, hypertension, pain, and diabetes. He has been deeply involved with teaching and emphasizes psychoeducation while working in collaboration with his patients to help tailor their personalized treatment plan. His primary focus has been on treating adults with depression, bipolar disorder, anxiety, ADHD, OCD, and PTSD. Dr. Rodriguez has an approachable, patient-centered style, combined with a passion for optimizing sleep as it pertains to management of a psychiatric illness and overall well-being. He offers supportive therapy as part of his medication management visits, and at times may also offer cognitive behavioral therapy to address underlying stressors which may be contributing to one's presenting ailments. He may also recommend including a therapist in your care team to optimize outcomes.

Jennifer R. Millar, MA, LMFT, is a compassionate and dedicated Licensed Marriage and Family Therapist with over eight years of experience helping individuals, couples, and families navigate complex emotional challenges. She holds a Master's in Marriage & Family Therapy from NorthCentral University and has extensive training in various therapeutic modalities, including Psychodynamic Therapy, Solution-Focused Therapy, and EMDR. Jennifer specializes in trauma recovery, particularly for women who have experienced narcissistic abuse in relationships. Her therapeutic approach is holistic and client-centered, integrating genogram assessments to explore family dynamics and attachment patterns. Jennifer's unique combination of professional expertise and personal insight into narcissistic abuse allows her to provide deep empathy and effective strategies for healing. In addition to her work with trauma survivors, Jennifer has successfully supported clients through issues such as anxiety, depression, relationship challenges, and self-esteem. Her practice is rooted in fostering emotional growth, enhancing communication, and guiding clients toward healthier, more fulfilling lives. Jennifer is licensed in Florida, Indiana, New Jersey, and New York, and she offers teletherapy through her practice, Begin Healing Within. She is also EMDR-trained, offering specialized treatment for trauma and PTSD.