Mission Heritage Medical Group Pulmonology Our five board-certified Pulmonologist and Critical Care physicians provide inpatient and outpatient care to treat various lung diseases. We are conveniently located on the Mission Medical Center campus. Our physicians have been in our community for many years. We focus on providing excellent customer service. Other features include: 10 exam rooms PFT lab X-ray at contingent building Laboratory on the first floor Pharmacy on first floor Spanish spoken Wi-fi We're located near the crossroads of Crown Valley Pkwy. and Medical Center Rd. Call To Make An Appointment Call Us 949.364.3330 Hours of Operation Mon - Fri: 8 a.m. - 5 p.m. Get Directions Meet Our Doctors A personalized approach to your health Meet Our Doctors Robert Y. Goldberg, MD View Profile (949) 364-3330 Pulmonology (Board Certified) Raul Marquez, MD View Profile (949) 364-3330 Pulmonology (Board Certified) George L. Schiffman, MD View Profile (949) 364-3330 Critical Care Medicine Pulmonology Sleep Medicine Bruce R. Tammelin, MD View Profile (949) 364-3330 Critical Care Medicine Pulmonology Sleep Medicine Mon 10 a.m. - 6 p.m., Tue Closed, Wed 10 a.m. - 6 p.m., Thu Closed, Fri 10 a.m. - 6 p.m.