We found 1 provider named 'John O'holleran' nationally.
Dr. John O'Holleran's specialty is surgery. Clinical interests for Dr. O'Holleran include surgical procedures. Dr. O'Holleran takes Anthem, Blue Cross/Blue Shield, TRICARE, and more. Before performing his residency at Exempla Saint Joseph Hospital, Denver, Dr. O'Holleran attended the University of Nebraska College of Medicine for medical school. His professional affiliations include Sutter Medical Network, Mills-Peninsula Health Services, and Palo Alto Foundation Medical Group. New patients are welcome to contact Dr. O'Holleran's office for an appointment.
Clinical interests: Achalasia, Sentinel Lymph Node Biopsy, Lymphadenectomy, Heller Myotomy, Surgical Procedures, ... (Read more)