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Expert, timely, comprehensive care.

Concussion Team

Our concussion team includes medical professionals, rehabilitation specialists and physical trainers with years of training and experience in dealing with the neurological and physical aspects of head injuries.


Teena Shetty, MD
Founder and Director, HSS Concussion Program

Dr. Shetty is a triple board-certified neurologist at Hospital for Special Surgery. She received her medical degree from Brown University and master of philosophy degree from Cambridge University. Thereafter, she completed her neurology residency and fellowship training at Cornell-New York Presbyterian College, Harvard-Brigham and Women’s Hospital, and Hospital for Special Surgery. Over the years Dr. Shetty has received numerous awards including the Fulbright Scholarship and Crain's New York Business "40 under Forty." She is an assistant professor of neurology at Weill Cornell Medical College.

Dr. Shetty is currently the Principal Investigator of an NFL/GE funded research program aimed at advanced imaging in mild TBI and holds grants for several other blood and imaging biomarker studies. She is both the neurologist for the New York Mets and an unaffiliated Neuro-Trauma Consultant for the New York Giants.

Cary S. Gunther, MD, PhD

Dr. Gunther is board certified in neurology and psychiatry. She received her AB degree in biochemical sciences from Harvard University, her PhD in bioinformatics from Rockefeller University and her MD from Weill Cornell Medical College. Dr. Gunther completed dual residency training at New York Presbyterian Hospital Weill-Cornell Medical Center.  She is also certified in acupuncture and uses this as an adjunctive treatment modality. Her practice focuses on patients living with cognitive, mood, behavioral and other neurological symptoms.

Dahlia Mottahedeh, Psy.D.

Dr. Mottahedeh is a licensed clinical psychologist specializing in pediatrics. She is a graduate of Pace University’s doctoral program in School-Clinical-Child Psychology. She also received a Masters of Science in Education in School Psychology (M.S.Ed.) from Pace University and a Bachelor of Arts in Psychology from The George Washington University. Dr. Mottahedeh completed her post-doctoral fellowship training at NYU Langone Medical Center’s Hassenfeld Center for Cancer and Blood Disorders where she provided consultation-liaison services for children, adolescents, and young adults with cancer in addition to conducting neuropsychological testing. Dr. Mottahedeh has extensive experience conducting comprehensive neuropsychological and psychological evaluations as well as school consultation and advocacy through her work as an associate of Pediatric Assessment, Learning, and Support (PALS). In addition to assessment, Dr. Mottahedeh provides psychotherapy treatment for children, adolescents, and young adults in her private practice. Areas of specialized interest include anxiety, depression, mood disorders, learning differences as well as grief/bereavement counseling and work with medically complex children and families.

George Skulikidis, MS, PA-C
Physician Assistant

George has been a certified Physician Assistant since 2003. He obtained his Bachelor of Arts degree from the College of Arts and Science at New York University. He went on to Stony Brook University where he completed both his Bachelor of Science and Master of Science degrees in Physician Assistant Studies. Additionally, through the College of Business at Stony Brook University he obtained his New York State Advanced Certificate in Healthcare Management. He began his career at NYC Health + Hospitals/Queens in the Department of Physical Medicine and Rehabilitation where he gained extensive experience in neurorehabilitation. As both a Senior Physician Assistant and Clinical Manager in the department, he provided care to patients with a variety of medical conditions including acquired brain injury, spinal cord injury, neurodegenerative diseases as well as various musculoskeletal disorders. During his career he has always stressed the importance of providing quality individualized patient care through the interdisciplinary team approach.


Peter Schultz, DPT, OCS 
Vestibular Specialist

Dr. Schultz is a board certified orthopedic specialist.  He received his Masters of Science degree in physical therapy from Touro College and his Doctorate in Physical Therapy from Temple University.  Peter is certified in ART (Active Release Techniques), Graston technique, vestibular rehabilitation, vision therapy, concussion rehabilitation and many other advanced manual therapy techniques. He has educated hundreds of fitness professionals and has lectured on anatomy and physiology and musculoskeletal systems to students at New York University and regularly lectures to new physical therapist on vestibular rehabilitation.

He serves on the medical team for the New York City Ironman Triathlon where he is able to help treat amateur and professional athletes so that they can compete at their highest level. Peter is also a certified medical provider through the Titleist Performance Institute and has trained and rehabilitated golfers at every skill level. He has an interest in the treatment of BPPV/ vertigo and has taken advanced course work in vestibular rehabilitation. His unique skill set combining orthopedic, vestibular, and neurologic rehabilitation has allowed him to successfully rehabilitate patients with post-concussion syndrome.

Christopher J Bux, PT, DPT, MTC, OCS, CSCS, FAAOMPT
Clinical Specialist

Christopher Bux is a board certified orthopedic specialist. He earned his Doctorate in Physical Therapy from Mercy College in 2010. Christopher is a Certified Strength and Conditioning Specialist, and has treated and enjoys working with athletes of all ages. He is a Certified Manual Physical Therapist from the University of St. Augustine and specializes in both mobilization and manipulation (Spinal and extremities). He is a Fellow of the American Academy of Orthopedic Manual Physical Therapy where he studied and trained at the University of Illinois Chicago with Dr. Carol Courtney. Additionally, he is involved in teaching at HSS’s orthopedic residency program, is an active mentor for fellows and residents in training at HSS, and he assists with teaching at Mercy College. Christopher has a unique skill set which includes: orthopedic, neurological, and vestibular rehabilitation. His main focus with each patient is to provide customized rehab specific to each individual’s needs. 

Kat Mach, MPT, CSC
Physical Therapist

Kat Mach is a licensed physical therapist at the Hospital for Special Surgery. She received her Kinesiology degree at the University of Waterloo and her Master of Physical Therapy degree from the University of Toronto. Since then, she has completed certifications in manual therapy, Selective Functional Movement Assessment, K-Taping, and is a Certified Strength and Conditioning Specialist as well as a Contemporary Medical Acupuncture Provider. She has a wide range of outpatient orthopedic experience, including sports medicine, motor vehicle accidents and worker’s compensation, fall prevention, and post-operative cases. Kat believes in treating patients using a multisystem and whole body approach, with strong emphasis on manual therapy, neuromuscular control, and self-management through therapeutic exercise.

Pablo Acosta, ATC
Athletic Trainer

Pablo has been a certified athletic trainer since 1999 and began his career with the Boston Red Organization.  He earned his B.S. of Science at Springfield College. He is licensed in the State of New York, Board Certified, and also maintains credentials with the National Athletic Training Association.  As a well-known athletic trainer in the New York Metropolitan area, Mr. Acosta. In 2016, Pablo received the New York State Athletic Training Association Abraham Award for outstanding service to high school athletes. Pablo has worked with hundreds of post-concussion athletes to safely return to play.

Joel Guzman, ATC
Athletic Trainer

Joel Guzman has been certified by the state of New York in 2014 to provide athletic trainer services to athletes. He earned his Masters of Science degree from Long Island University Brooklyn. Mr. Guzman has provided athletic training services in a variety of settings, including Division I colleges, out-patient physical therapy clinics, youth and professional sports. He currently works with Hospital for Special Surgery to provide athletic training services to two NYC high schools. In his downtime, he looks forward to reading articles published by other medical professionals to further increase his learning and understanding of new techniques and best practices in athletic training to have when the need arises.

Aaron Karp, MS, ATC, CSCS
Athletic Trainer

Aaron Karp is a nationally certified athletic trainer and strength and conditioning specialist. He received his Bachelors of Science in Kinesiology from UMass Amherst and Masters of Science in Athletic Training from Texas A&M University where he studied risk factors of depression in Division 1 athletes. In his previous roles, he has provided athletic training services and concussion management across a variety of contact and non-contact sports ranging the middle school, high school, collegiate, and professional levels of competition. Aaron understands the challenge for patients’ working through an injury where symptoms are unseen, and is incredibly fulfilled helping these patients return to the activities they enjoy most.


Lauren Langford Fasanella, LCSW
Licensed Clinical Social Worker

Lauren is a Licensed Clinical Social Worker with an advanced certification in clinical assessment and diagnosis. She received her bachelors in Sociology and Psychology from Simmons College in Boston, Ma and her Master’s in Social Work from Columbia University School of Social Work. Prior to social work school, Lauren was a clinical trials manager at Dana Farber Cancer Institute. For 5 years Lauren was a transplant social worker at New York Presbyterian/Weill Cornell Medical Center. Prior to joining Dr. Shetty’s team in 2015, Lauren was the coordinator and social worker for the ALS clinics at Hospital for Special Surgery. Lauren’s passion is to assist patients and their families through the complex issues that arise with an injury or chronic illness.


Matthew Garvey, BA
Clinical Research Coordinator

Matthew is the Clinical Research Coordinator for Dr. Teena Shetty at Hospital for Special Surgery. He received his Bachelor of Arts degree from Dartmouth College in 2018, graduating cum laude with High Honors distinction majoring in psychology and minoring in music. His interest in neuroscience, cognition, and the brain led him to pursue an undergraduate honors thesis in the Dartmouth Social Systems Lab and Dartmouth Brain Imaging Center investigating the brain-to-brain neural coupling that emerges during live, two-way communication using novel state-of-the-art fMRI hyperscanning. Since joining Dr. Shetty’s team, Matthew is integrally involved in a variety of studies exploring mild traumatic brain injury. Matthew is passionate about empowering others through education and has devoted time to raising awareness about patients living with dementia and cognitive disorders. Matthew plans to attend medical school and continue translational research to contribute to medical knowledge that directly improves patients’ lives.

Esther Kim, Msc 
Clinical Research Assistant

Esther received her Bachelors of Arts degree in Biological Psychology at California State University, Sacramento where she studied the electrophysiological properties of head-direction cells. In 2011, she interned at Shriner's Hospital for Children, working to characterize the cellular phenotype of the autistic cerebral cortex and its clinical relevance to autism. Esther then completed her Masters of Science degree from Binghamton University in 2016, studying the developmental effects of early-life ethanol exposure. Esther's research interest is in translational studies that have direct clinical impact.

Caitlin Miller, BA
Clinical Research Assistant

Caitlin received her Bachelors of Arts degree in Chemistry with a minor in Material Science & Engineering at Princeton University. Her interest in healthcare and research lead her to pursue an undergraduate honors thesis at Princeton focused on developing techniques and materials for 3D printing tissue implant scaffolds. Prior to her current role at HSS, she worked in strategic healthcare consulting at IQVIA, where she specialized within the Patient Centered Endpoints group developing patient reported outcomes (PRO) instruments. Caitlin’s passion is to contribute to holistic patient care through research that directly improves patient outcomes, as well as through contributing to an overall positive patient experience.

Contact Information

If you experience signs and symptoms after a recent head trama please contact us to see if we can help.

We are available Monday - Friday and accept most insurance plans.

Concussion Clinics
Wednesday mornings from 7:30 am - 12:30 pm

Lauren Langford Fasanella, LCSW
Tel: 917.260.4059
Email Concussion Program



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