Williamson, Kelly A Address: 915 Lawn Ave, Sellersville, PA 18960 Phone: (215) 453-3300 Physicians Assistants Other Businesses: West Rockhill Township Tax Offices at 1028 Ridge Rd, Sellersville, PA 18960 Russell E Kirkpatrick Crpntr at 835 Simmons Rd, Sellersville, PA 18960 Lechowicz Law Office at 5 E Temple Ave, Sellersville, PA 18960 P Kelly Sox at 211 Holiday House Rd, Sellersville, PA 18960