Grand View Health > Find A Provider > Marissa LaHart, CRNP Marissa LaHart, CRNP | Find A Provider Marissa LaHart, CRNP | PracticeGrand View Surgical Associates Education School: Drexel University Gender Female Practice Locations 915 Lawn AvenueSellersville, PA 18960 Get Directions Phone: 215-453-3400 Fax: 215-453-3410