Wellmon Medical Associates. B. D. Wellmon, II, D.O. - Nathan Petula, PA-C - Valerie Goates, PA-C - Tracey Buchheister, PA-C. 93 Progress Blvd., Shippensburg, PA, 17257 (717) 532-3211 fax (717) 532-3099. ... Patient Portal You can access your Patient Portal through the following link: ....