Our POTS team of specialists offers expertise in several fields, including physical medicine and rehabilitation and neuromuscular diseases. We also work closely with specialists in gastroenterology, cardiology and neurology to provide well-rounded care. Our physicians and therapists are supported by a well-versed administrative team that helps coordinate appointments and any needed testing.
Meet Our Team
Tae Chung, M.D.
Director of Johns Hopkins POTS program
Assistant Professor of PM&R and Neurology
Dr. Chung is a board certified neuromuscular specialist and physiatrist with a special interest in POTS. As a rehabilitation specialist, his goal in patient care is to restore function as close as possible to the baseline. He works as part of a team, covering all aspects of this complex disorder. His other clinical interest includes myositis and electrodiagnostic medicine. His main areas of research include the effects of aging on the neuromuscular system, and dysfunction of the autonomic nervous system.

Pegeh Dehghan, M.D.
Clinical Associate
Dr. Dehghan is board-certified in physical medicine and rehabilitation and fellowship-trained in muscular dystrophy. She specializes in treating adults with POTS and orthostatic intolerance. She also preforms electrodiagnostic studies.

Christina Kokorelis, M.D.
Assistant Professor of Physical Medicine and Rehabilitation
Dr. Kokorelis is board certified in physical medicine and rehabilitation and fellowship trained in pediatric rehabilitation medicine. She specializes in treating children and adults with POTS and orthostatic intolerance. She takes a comprehensive, team-based approach to POTS treatment that includes medications, physical therapy and other treatments. She also sees children with concussions and chronic pain disorders.

Ta-Ya Lee
Adult Nurse Practitioner
Acupuncturist and Chinese Medicine Practicioner
Ta-Ya received her Doctor of Nursing Practice, Master of Public Health and Master of Business Administration from Johns Hopkins University. She also holds a Doctor of Acupuncture and Oriental Medicine and a Ph.D. in acupuncture and oriental medicine. She is board-certified in adult nursing practice, acupuncture, chinese herbology and oriental medicine, and received a Bravewell Fellowship in integrative medicine. She provides comprehensive integrative medicine evaluations, acupuncture, nutrition, supplements and lifestyle modification coaching for POTS patients. She can tailor individualized integrative medicine treatment plans for POTS patients to alleviate symptoms and improve function.

Peiting Lien
Physical Therapist
Board-Certified in Neurologic Physical Therapy
Peiting has a diverse clinical background in treating patients with neurological impairment across the lifespan, both internationally and nationally. She has a special interest in working with patients with complex medical conditions, such as POTS, as part of a team. She also helps adolescents and adults with treatment and management of idiopathic scoliosis.

Fin Mears
Physical Therapist

Ruben Pagkatipunan
Physical Therapist
Board-Certified in Orthopedic Physical Therapy
Ruben’s practice and primary research areas of interests include evaluation and management of patients with inflammatory myopathies and dysautonomia. He is the primary physical therapist with the Johns Hopkins Bayview Medical Center’s neuromuscular rehabilitation team, normal hydrocephalus clinic and dysautonomia clinic.

Jennifer Zanni
Physical Therapist
Board-Certified in Cardiovascular and Pulmonary Physical Therapy
Jennifer specializes in working with patients with autonomic dysfunction/POTS, as well as those with complex medical and surgical conditions. She is involved in research exploring physical therapy treatments for patients with critical illness. Jennifer is also interested in the treatment of endurance impairments in patients with dysautonomia and cardiovascular and pulmonary dysfunction.