About Us

We are ketamine treatment experts…

Our philosophy of care:

We are a multi-specialty clinical team from mental health, pain medicine, neurodegenerative disease, neuropsychology, geriatrics, emergency medicine, anesthesia, inpatient and outpatient treatment, to health and wellness combining both an Eastern and Western approach to health and healing.

We pride ourselves on our kind, compassionate caregiving. We are devoted to providing our patients with a team-centered approach to achieving the best possible outcomes and patient experience.
We are available whenever you need us and will do whatever necessary to advocate for your access to the care you need and deserve.

For us, healthcare is a lifestyle with purposeful work focused on helping you achieve a better quality of life.

Michael Kullman, M.D.

Medical Director, Ketamine Infusion Program

Dr. Kullman is a board-certified anesthesiologist who specializes in infusion therapy, as well as managing patient pain levels before, during, and after surgical procedures. He has been practicing for more than three decades. After graduating with his medical degree from New York Medical College, Dr. Kullman worked as an intern at Westchester County Medical Center, where he also performed his residency in Cardiothoracic and Neuro Anesthesia.

Dr. Kullman is a member of the American Society of Anesthesiologists and the New York State Society of Anesthesiologists. In addition, Dr. Kullman is a former Commander in the United States Navy Reserve, serving as Battalion Surgeon for 2/25 Marines for eight years.

Robin Asken

Director, Ketamine Infusion Program

Robin Asken is the Director of the Ketamine Infusion Program for Infusion Therapeutix, an affiliate of Brain and Spine Surgeons of New York. Before joining BSSNY, Robin worked in pain management for more than 15 years, in both healthcare administration and practice development. In this capacity, she developed a ketamine infusion program positioning the medical practice as a leader in the field. Robin provides all the coordination of care and treatment for patients and works with family members.

Her healthcare career spans over 40 years in multiple specialties, she works with passion and purpose as a patient advocate to ensure patients have access to the best treatments and care available. Robin also serves as an Associate Chaplain, with Connecticut Chaplain Services, Inc., as well as a Family Support Volunteer Reiki Practitioner, for Regional Hospice in Danbury, Connecticut. She was recently certified and volunteers as a Community Emergency Response Team member, part of the Federal Emergency Management Agency (FEMA).

Tatyana Gitlevich, M.D.

Dr. Tatyana Gitlevich has been practicing neurology since 1993. She began her medical career in Russia after graduating from the prestigious I. M. Sechenov Moscow Medical Academy. She practiced medicine in Russia from 1993 – 1998 before coming to the United States in 1998. She completed a neurology residency at Westchester Medical Center and a neurophysiology Fellowship at Montefiore Medical Center. She is Board certified in Neurology, Neurophysiology and Epilepsy.

Dr. Gitlevich evaluates patients for cognitive issues related to head trauma and suspected neurodegenerative disorders. She also has a special interest in headache treatment using trigger point injections, occipital nerve blocks, and Botox® injections to help alleviate patients’ pain. As part of her treatment philosophy, Dr. Gitlevich focuses on her patients’ lifestyles and strives to help them with their overall well-being. She has been part of numerous research projects, publications, and professional societies both here and in Russia, and has been named a Castle Connolly “Top Doc” every year since 2014.

Dr. Gitlevich is fluent in Russian and English. She sees patients at BSSNY’s White Plains office and Manhattan.
Please visit Dr. Gitlevich’s website click here.

Elyssa Scharaga, PhD

Dr. Elyssa Scharaga, a clinical neuropsychologist, conducts neuropsychological evaluations and provides evidence-based psychotherapy for several issues, including adjustment to chronic medical/neurological conditions and mood disorders.

In addition to clinical care, her research interests are in cognitive issues related to aging, cardiovascular diseases, infectious disease, and chronic pain. She is involved in local and international psychology organizations and is on the executive board of the Queer Neuropsychological Society, and the Education Advisory Committee at the Society for Clinical Neuropsychology.

Dr. Scharaga completed a two-year postdoctoral fellowship in clinical neuropsychology at the VA Connecticut Healthcare System, and a predoctoral psychology internship at the Northport VAMC, with a concentration in neuropsychology. She earned her Ph.D. in Clinical Psychology from Ferkauf Graduate School of Psychology at Yeshiva University, and undergraduate degree from George Washington University.

Please visit Dr. Scharaga’s website click here.

Yvette Carrasquillo, R.N., HN-BC

Yvette Carrasquillo, RN, HN-BC, is a Registered Nurse with a background in medical and acute patient care. During her 20 years practicing, she has experience in medical surgical, psychiatric, intravenous infusion therapy, 10 years of emergency medicine, ambulatory surgery, and most recently worked in the post anesthesia care unit. She provided care to patients in the Intensive Care Unit and COVID unit during the COVID surge in 2020.

Yvette is a Board-Certified Holistic Nurse taking a mind-body-spirit-emotion approach to the practice of nursing. She recently obtained certification as an Integrative Nutrition Health Coach through the Institute for Integrative Nutrition.