Joshua Weasen, MD

Getting to know meDr. Kishan Peddanna is a board-certified general psychiatrist with experience treating patients across the lifespan. He attended The Ohio State University for his undergraduate studies and earned his medical degree from the University of Cincinnati. Dr. Peddanna completed his residency in General Psychiatry at The Ohio State University and a fellowship in Child and Adolescent Psychiatry at Nationwide Children’s Hospital.

Dr. Peddanna values continuity of care and collaboration, working with patients toward long-term improvements while building meaningful connections. His approach is grounded in shared decision-making, ensuring treatment plans align with each patient’s goals. He has extensive experience managing conditions such as ADHD, mood disorders, and anxiety.

Dr. Peddanna’s practice focuses on medication management complemented by supportive psychotherapy. He uses evidence-based assessments and interventions to guide individualized treatment planning, fostering a care experience that is both effective and patient-centered.

Dr. Alfers is a board-certified psychiatrist specializing in adult psychiatry. He has been practicing for over 11 years. He completed his undergraduate education at Virginia Tech, graduating Cum Laude with degrees in Biology and Chemistry. Following graduation, he attended a research internship at the National Institutes of Health where he received a Post-baccalaureate Intramural Research Training Award. Dr. Alfers completed his medical degree from the Western University of Health Sciences in Pomona, CA. He completed his General Psychiatry Residency at Georgetown University, where he served as Chief Resident. After residency, he entered private practice in McLean, VA. Dr. Alfers takes a comprehensive approach to patient care. He integrates biological, psychological, and environmental factors into treatment planning. He focuses on developing a meaningful therapeutic relationship and providing medication interventions for specific treatment goals. Dr. Alfers provides interpersonal psychotherapy in conjunction with medication management services. Dr. Alfers has a special interest in the treatment of multiple mental health conditions, including depression, anxiety, bipolar disorder, PTSD, ADHD, and OCD. Dr. Alfers treats adults ages 18 to 65 years old. For established patients of Dr. Alfers, please call 917-634-5311 to schedule an appointment and let the care coordinator know you are an established patient.

Dr. Elaine Kwok is a board-certified Adult Psychiatrist who has been practicing for 9 years. She specializes in depression and anxiety and believes in a holistic approach to the wellness of both the mind and body. Dr. Kwok conducts a comprehensive and individualized assessment for each patient utilizing a combination of medication management, lifestyle changes, and coping skills, creating a safe and therapeutic environment to facilitate healing and growth .Dr. Kwok received her undergraduate degree from New York University and her medical degree from St. George's University. She then completed her residency training at Seton Hall University. After training, she worked in the inpatient and outpatient units at Capital Health Medical Center in Trenton, New Jersey. She was a voluntary faculty member and trained residents and medical students from Rutgers Robert Wood Johnson Medical School. She has training in Cognitive Behavioral Therapy and Dialectical Behavioral Therapy. She actively participates in her local community to provide education and training for mental health providers. Dr. Kwok strives to collaborate and address hindrances that may interfere with an individual's best self. She focuses on creating a strong therapeutic relationship to support and facilitate balance, lifestyle enhancement, and emotional well-being. She looks forward to getting to know you and embarking on this journey together.

Jaime Sather, PMHNP is a board certified psychiatric nurse practitioner with over 20 years' experience in the mental health field. Specialty areas include ADHD, anxiety, depression, mood disorders, substance abuse, PTSD, and women’s health. Clinical experience with inpatient, outpatient, detoxifications rehab, psychiatric emergency department, IOP, and PHP.

Comprehensive psychiatric evaluations, medication management, and brief psychotherapy are provided. Besides medication management with psychotherapy, individual therapy may be recommended for the best possible patient outcome.

Patients feel comfortable discussing their concerns in a non-judgmental therapeutic environment. Education is provided about diagnosis and treatment options with the patient being empowered to be an active part of their treatment plan.

Maegan Roberts, PMHNP, earned her MSN from Indiana University School of Nursing and her BSN from the University of Evansville. She worked as a Registered Nurse in inpatient psychiatry for five years before transitioning to outpatient care as a psychiatric nurse practitioner in 2017. Maegan has experience treating patients across the lifespan, from school-aged children to older adults. She is especially attuned to the challenges of young adulthood, parenting, and navigating complex family dynamics. Committed to lifelong learning, she values the insights and perspectives her patients bring to their care.

Maegan creates a therapeutic environment grounded in dignity, empathy, and respect. She empowers patients through education about diagnoses, symptoms, and medications while promoting autonomy and informed decision-making. Her approach blends psychopharmacology with supportive therapy, skill-building, and sustainable lifestyle strategies, helping patients build insight and resilience.

In the initial appointment, Maegan takes time to understand each patient’s history, concerns, and goals. From there, she collaborates with patients to create and adapt treatment plans that align with their evolving needs, always keeping the individual’s unique context and aspirations at the center of care.

Dr. Desir is a Board-Certified Psychiatrist who completed her undergraduate training at The University of Scranton followed by medical school at the New York Institute of Technology College of Osteopathic Medicine. She completed psychiatry residency at Nassau University Medical Center where she served as the Administrative Chief Resident in her final year. Dr. Desir has been in practice for 4 years and has provided patients with compassionate psychiatric care. She has worked in community mental health settings throughout her career, in which she served a wide variety of patient populations. Dr. Desir is experienced in treating various psychiatric illnesses including mood disorders, anxiety disorders, OCD, PTSD, and ADHD. At the heart of Dr. Desir's clinical approach is a strong emphasis on establishing trust and building a therapeutic relationship. She also provides psychoeducation to help patients make informed decisions regarding their care. She works collaboratively with patients to develop individualized treatment plans to help them achieve their goals. Dr. Desir's practice focuses on medication management. Typically, she offers this in conjunction with supportive or emotionally focused therapy in 30-minute follow-up visits. Occasionally, Dr. Desir may believe that additional therapy is also needed and ask that you bring a therapist into your care team to provide the best outcome. Talkiatry takes medication management seriously. All state-controlled substance databases are reviewed and taken into consideration during your initial evaluation.