Join PentaHealth / Tandigm Physician Services - A Growing Healthcare Leader. PentaHealth / Tandigm Physician Services, a leading physician-owned practice with eight locations across Chester, Delaware, and Philadelphia Counties, is seeking a dynamic and experienced. CRNP. to join our team in West Chester, PA. We are a thriving organization of 250 employees dedicated to providing exceptional healthcare. POSITION RESPONSIBILITIES. SUMMARY OF DUTIES....