I just noticed that Dr. Lewis is in Willow Grove, PA. Here's his information (I don't know anyone personally who has been a patient):
Dr. Stephen Fraser Lewis, M.D.
After attending Davidson College and graduating with a BS in Biology, Dr. Lewis spent 6 years doing basic Neuroscience Research (at Weill Medical School of Cornell University and Wake Forest University Medical School). He then attended medical school at Wake Forest University, interned at Abington Memorial Hospital (Abington, PA) and was Resident in Neurology at Thomas Jefferson University Hospital (Philadelphia, PA). After completing residency he entered private practice in general adult Neurology (he is board-certified by the American Board of Psychiatry and Neurology). Dr. Lewis is currently self-employed in solo practice with offices in Willow Grove, PA; and is on staff at Abington Memorial Hospital.
Dr. Lewis has always been interested in "the unusual" neurological diseases and became specifically interested in the Periodic Paralyses when he made the diagnosis in a friend-patient who had been "passed around" the Philadelphia medical community. She and Dr. Lewis worked together to discern a treatment regimen that "works for her". He believes that disease management is best when directed in a controlled setting with frank open discussion in a partnership between patient and physician. Clinical management of few (if any) Neurological conditions can be "cook-booked" - each person is different and needs to be treated uniquely.