Dr. John D. O'Holleran graduated from the University of Nebraska College of Medicine in 1987. He works in San Carlos, CA and specializes in Surgery. Dr. O'Holleran is affiliated with Mills Peninsula Health Services, Sequoia Hospital and Mills Peninsula Health Center. He speaks English and Spanish.
Years in Practice: 27 Years
Languages Spoken: English, Spanish
Medical School: University of Nebraska College of Medicine
Graduation Date: 1987