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 Sequoia Hospital, Mills Peninsula Health Services and Mills Peninsula Health Services. He speaks English and Spanish.
Years in Practice: 28 Years
Languages Spoken: English, Spanish
Medical School: University of Nebraska College of Medicine
Graduation Date: 1987