Alfredo Castellanos MD | Pulmonary Disease Physician | Whittier, CA | PIH Health
Alfredo Jr. Castellanos

Alfredo Jr. Castellanos MD


Pulmonary Disease
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Dr. Castellanos chose to specialize in Pulmonary and Critical Care since pulmonary medicine and diseases are of great interest to him. He also enjoys critical care because he is able to help patients and their families during one of their most difficult times in life. Even as a child, Dr. Castellanos loved learning about human physiology and science, and knew that medicine was the only career for him.

Dr. Castellanos comes from a family of 10 children and is the youngest with a twin sister. Two of his siblings are also doctors as well. A part from medicine, Dr. Castellanos enjoys fishing, sports and other outdoor activities. 

Office Information

  • 12462 Putnam St #208 Whittier, CA 90602

    Main: 562.789.5470
    Fax: 562.789.4480

Hospital/Group Affiliation

PIH Health Downey Hospital

PIH Health Whittier Hospital

PIH Health Physicians





  • Pulmonary Disease

Additional Languages

  • Spanish


Medical School

Temple University School of Medicine (Pennsylvania)


LAC + USC Medical Center


LAC + USC Medical Center


LAC + USC Medical Center

Board Certifications

  • Critical Care Medicine
  • Internal Medicine
  • Pulmonary Disease