Sports/Camp Physical Examinations. Concussion Evaluation and Clearance. Ear Piercing. 11908 Darnestown Road, Suite H. North Potomac, MD 20878. Phone Number: 301-990-6333. Fax Number: 301-519-0474. Office Email: pvpoffice@potomacvalleypediatrics.comcastbiz.net. Show Full Map Get Directions..