Stonebridge Sharks - Competes in the Montgomery County Swim League. Calendar, meet results, coach information, and photos. Pediatric Dental Care, LLC - Dr. Fariba Paryavi specializes in dentistry for children, adolescents, and special needs patients. Charles C. Harrington, DDS - Provides the orthodontic treatment for children and adults. Topix: North Potomac - Headline links from media sources worldwide. Topix: North Potomac - Headline links from media sources worldwide. Wikipedia: North Potomac, Maryland - Free encyclopedia with history, geography and demographics. Classen-Miller & Associates - Individual, family, and group psychotherapy for children, adolescents and adults. Also speaks German.