Columbia Dentist. Dr. Anthony B Sims provides Tourettes, Spasmodic Torticollis, Gait Disorder, Blepharospasm, Chronic Obstructive Pulmonary Disease, Restless legs syndrome, Essential Tremors to the following locations: Washington, DC, Baltimore, Philadelphia. Washington, DC Dentist providing excellent dentistry including Tourettes, Spasmodic Torticollis, Gait Disorder, Blepharospasm, Chronic Obstructive Pulmonary Disease, Restless legs syndrome, Essential Tremors in Columbia, Washington, DC, Baltimore, Philadelphia, Maryland.