Puja Kumar, MD

Dr. Stephen Geisler is a board-certified adult psychiatrist and has been practicing for over 37 years. His practice focuses on medication management, and typically offers this in conjunction with supportive therapy in 30-minute follow-up visits. If Dr. Geisler feels you would benefit from working with a therapist in conjunction with medication management, he welcomes collaboration with your therapist to make for the best outcome. Dr. Geisler is a graduate of the New York University School of Medicine. He completed a fellowship in Psychoanalytic Psychotherapy at the Zucker Hillside Hospital of Northwell Health after finishing his residency training there. He is currently an Assistant Clinical Professor at the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell. Over the years Dr. Geisler has received a number of awards including NAMI Exemplary Psychiatrist Award, The APA Irma Bland Certificate of Excellence in Teaching Residents, the Zucker Hillside Hospital Department of Psychiatry Recognition Award for Education, and twice received the Outstanding Teacher of the Year Award from the graduating residents' class. Dr. Geisler is a member of the American Psychiatric Association, the Nassau Suffolk District Branch of the APA and the American Society of Clinical Psychopharmacology. Through the years, Dr. Geisler has participated in many clinical research projects, has been the co-author of many papers, and has made many presentations. Dr. Geisler specializes in psychopharmacology, especially tailoring individualized treatment to serve the needs of patients with a variety of conditions. He has a lot of experience in treating patients with depression, bipolar disorder, anxiety disorders, ADHD, and OCD.

Dr. Kat Atadjanova is a board-certified psychiatrist dedicated to providing holistic and compassionate care for individuals navigating mental health challenges. She earned her MD from Tulane University School of Medicine and completed a combined residency in Internal Medicine and Psychiatry at Tulane. With experience in both fields, she is especially comfortable caring for patients with medical comorbidities and takes an integrative approach to treatment.

Dr. Atadjanova values collaboration and believes that treatment works best when patients are active participants in their own care. She is committed to creating a safe, supportive environment where patients feel heard and respected. Her approach combines evidence-based medication management with psychotherapy and lifestyle guidance, tailoring each treatment plan to the unique needs and goals of the individual.

In her work, Dr. Atadjanova begins by taking time to understand a patient’s history, strengths, and challenges. From there, she develops a personalized plan that may include medication, therapy, or supportive interventions. She emphasizes shared decision-making, patient education, and holistic strategies—such as nutrition, exercise, and sleep hygiene—to help patients achieve sustainable improvements in their mental health and overall well-being.

Dr. Erlach is a board certified adult psychiatrist who has previously worked for the United States Air Force and the Department of Veterans Affairs. He attended medical school at the Uniformed Services University of Health Sciences, graduating in 2009, followed by active duty military service in the United States Air Force until 2024. He completed residency training at the combined military-civilian Wright State University/Wright Patterson AFB training program in Dayton, Ohio.

Dr. Erlach enjoys working with all types of patients. He takes a collaborative approach to patient care and develops a treatment plan alongside the patient so that both are fully invested in the plan. He generally has weekend and evening appointments only.

Dr. Erlach incorporates therapy into medication management appointments. Dr. Erlach feels that addressing psychosocial stressors and developing coping mechanisms are a vital component to treatment.

‍

Ashley LaBanca provides medication management and supportive psychotherapy services. She has worked in mental health for over 12 years. A graduate of the University of North Dakota, she began her career in an outpatient setting, later transitioning into a lead nurse practitioner role before moving into telehealth services. Her goal is to reach individuals in need when in-person care is not feasible. Ashley lives in North Dakota with her family and enjoys traveling, reading, and spending quality time with them.

Ashley views medication as a tool rather than a cure. She incorporates alternative treatments by assessing physical health, exploring natural alternatives to medication, focusing on nutrition, and helping clients develop coping skills to manage daily stressors. Her guiding principle is the integration of therapy and medication management to support healing and growth. She encourages clients to be active participants in their treatment, fostering a collaborative, respectful, and open therapeutic relationship.

Ashley tailors her collaborative approach to each individual’s needs. She draws from Dialectical Behavioral Therapy (DBT), Cognitive Behavioral Therapy (CBT), and other treatment modalities, combining them with evidence-based prescribing to create personalized care plans. She also considers the social dimensions of mental health, addressing relationships, self-esteem, and internal healing.

‍

Mary Poupon is an experienced board certified psychiatric APRN/psychiatric nurse practitioner with over 30 years' experience in her field. She completed her graduate work at Columbia University and is published in her field. Her practice sites have included inpatient hospital treatment, partial hospital programs, in-home programs, outpatient clinics and alternative therapy including equine assisted therapy.  She was the program director and clinician with the Ryan White Mental Health Program in New York providing innovative mental health treatment for adolescents and adults living with HIV/AIDS in the boroughs of Manhattan, Queens, Brooklyn and the Bronx.  In 2013 she became certified as an equine assisted psychotherapist and served as the Director of Mental Health at Embrace Hope in Sandy Hook, CT. She was appointed as the Executive Director of Embrace Hope in 2017. Embrace Hope provided treatment to children, adolescents and adults who were victims of trauma related to the shooting at the Sandy Hook Elementary School. She presented a TED x talk in 2018 regarding her work with victims of trauma. She has provided treatment in the outpatient setting for children, teens, and adults. She has provided treatment to young adults at the Covenant House New York shelter program for homeless young adults.

Mary believes the human spirit is resilient. There are many challenges in the lifespan and self-care is paramount to success.

Mary provides psychiatric consultation and assessment and provides a pathway to change. Treatment may include medication management, therapy, and coping skills to assist with life challenges. Mary believes treatment is a partnership and believes in establishing mutually agreed upon goals.

Mary's process for working with patients begins with active listening. The assessment begins with the patient describing why they are seeking engagement in behavioral health treatment at this time. She will complete a psychiatric assessment and evaluation and establish mutually agreed upon goals for treatment. She offers medication management in conjunction with supportive therapy in 30-minute follow-up visits. Mary believes therapy and medication management if indicated together provides the best treatment outcomes.

Margaret Mary Reyes, MSN, APRN, PMHNP-BC, is a board-certified Psychiatric Mental Health Nurse Practitioner committed to delivering patient-centered and compassionate mental health care. A proud Florida native, she earned her Bachelor of Science in Nursing (BSN), Master of Science in Nursing (MSN), and post-master’s certification in Psychiatric Mental Health Nursing from Florida Atlantic University (FAU). Her academic research focused on improving outcomes for women living with Premenstrual Dysphoric Disorder (PMDD).

Margaret has advanced practice experience in both inpatient and outpatient psychiatric settings. She has treated individuals with a wide range of mental health conditions, including psychotic disorders, bipolar spectrum disorders, depressive and anxiety disorders, trauma-related disorders, attention deficit disorders, personality disorders, substance use and co-occurring disorders, eating disorders, suicidality, homelessness, and severe mental illness (SMI) within the criminal justice system. Her clinical background also includes acute care experience in oncology, medical-surgical, telemetry/cardiac step-down, intensive care, nursing research, and consultation-liaison psychiatry.

She takes an integrative and comprehensive approach to mental health care, combining medication management with evidence-based complementary and alternative interventions. Her practice is grounded in the understanding of the mind-body-spirit connection and the gut-brain axis. Margaret incorporates supportive therapy, motivational interviewing, and mindfulness-based cognitive techniques to support her patients’ overall well-being.

‍