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Our Team of POTS Specialists

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

POTS Dr. Tae Chung

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. 

POTS doctor Pegah Dehghan

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

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.

Lan Nguyen, nurse practitioner

Lan Nu Nguyen
Nurse Practitioner
Lan is a nurse practitioner with years of experience in spine rehabilitation, pain management and peripheral neuropathy. She became interested in POTS after learning about the complexities of symptoms and disease process. She works with patients to help them alleviate symptoms and improve function.

headshot of Fin Mears

Fin Mears
Physical Therapist

Ruben Pagkatipunan, PT

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. 

Peiting Lien

Peiting Lien
Physical Therapist
Board-Certified in Neurologic Physical Therapy

Peitng 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.

Jennifer Zanni

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.


We Also Work Closely With Other Johns Hopkins Colleagues

Photo of Dr. Jeffrey A Brinker, M.D.

Brinker, Jeffrey A, M.D.

Expertise, Disease and Conditions: Acute Coronary Care, Acute Coronary Syndrome (ACS), Acute Myocardial Infarction (AMI), Adult Congenital Heart Disease, Angina, Angioplasty, Atherosclerosis, Atherosclerosis Imaging, Cardiac Catheterization, Cardiac Disease, Cardiac Imaging, Cardiology, Cardiomyopathy, Cardiovascular Computed Tomography, Cardiovascular Disease in Women, Cardiovascular Disease with Chronic Renal Disease, Cardiovascular Diseases, Cardiovascular Interventions, Cardiovascular Medicine, Cardioversion, Chest Pain, Chronic Total Coronary Occlusion, Chronic Total Occlusions, Clinical Cardiology, Congenital Heart Disease, Congestive Heart Failure (CHF), Coronary Angiography, Coronary Artery Disease, Coronary Artery Stenting, Coronary CT Angiography, Coronary Endothelial Function, CT Angiography, General Cardiology, Heart Attack, Heart Conditions, Heart Disease, Heart Disease Prevention and Treatment in Women, Hypertrophic Cardiomyopathy, Interventional Cardiology, Intravascular Brachytherapy, Invasive Cardiology, Ischemic Heart Disease, Lead Extraction, Myocardial Infarction, Pacemaker and ICD Lead Extraction, Pacing, Percutaneous Coronary Intervention (PCI), Pericardiocentesis, Right Heart Catheterization, Rotational Atherectomy, Stenting, Syncope, Tilt Table Test, Valvular Heart Disease
Photo of Dr. Malcolm V Brock, M.D.

Brock, Malcolm V, M.D.

Expertise, Disease and Conditions: Endsocopic Thoracic Sympathectomy (ETS), Esophageal Cancer, Hyperhidrosis, Lung Cancer, Mesothelioma, Thoracic Surgery
Photo of Dr. Pankaj Jay Pasricha, M.B.B.S., M.D.

Pasricha, Pankaj Jay, M.B.B.S., M.D.

Expertise, Disease and Conditions: Gastroenterology, Motility Disorders, Neurogastroenterology
Photo of Dr. Michael James Polydefkis, M.D.

Polydefkis, Michael James, M.D.

Expertise, Disease and Conditions: Chemotherapy Induced Peripheral Neuropathy, Diabetic Neuropathy, Neurology, Peripheral Neuropathies
Photo of Dr. Aruna S Rao, M.B.B.S., M.D.

Rao, Aruna S, M.B.B.S., M.D.

Expertise, Disease and Conditions: Hydrocephalus, Idiopathic Intracranial Hypertension, Neurology, Pseudotumor Cerebri
Photo of Dr. Peter C Rowe, M.D.

Rowe, Peter C, M.D.

Expertise, Disease and Conditions: Adolescent Medicine, Chronic Fatigue Syndrome, Orthostatic Intolerance, Pediatrics, Postural Orthostatic Tachycardia Syndrome (POTS), Syncope
Photo of Dr. Nauman Tariq, M.B.B.S.

Tariq, Nauman, M.B.B.S.

Expertise, Disease and Conditions: Facial Pain, Headache, Neurology

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