Our Doctors

Outpatient Pathology Associates highly trained pathologists

Dr. John Abele- Pathologist
Dr. John Abele a native of Woodland, graduated from the University of California, San Francisco (UCSF) School of Medicine and did his training in Pathology there as well. While serving on the faculty, he studied FNA at the Karolinska Hospital in Stockholm, Sweden. He returned to the Sacramento Valley where he was first associated with Diagnostic Pathology Medical Group, where he served as a director of their needle biopsy, cytopathology, and outpatient divisions. He and Dr. Mathios founded OPA in 1987. Board Certified in Anatomic and Clinical Pathology with Added Qualification in Cytopathology, Dr. Abele is Director of OPA’s Fine Needle Aspiration Biopsy Clinic and was Co-director of the Annual UCSF Fine Needle Aspiration Course for twenty years.

Dr. Ricardo Bardales – Pathologist
Ricardo H. Bardales, M.D., a graduate of the Universidad de San Marcos School of Medicine in Lima, Peru, completed his pathology residency and cytopathology fellowship at Montefiore Medical Center in New York City under the renowned Dr. Leopold G. Koss. He is Board Certified in Anatomic and Clinical Pathology as well as Cytopathology. Formerly on the faculty of the University of Arkansas for Medical Sciences as the Hennepin County Medical Center in Minneapolis, Minnesota, he is active in numerous national and international pathology organizations and is frequently an invited lecturer at meetings throughout the world. He has published a book, various chapters, and over 60 peer-reviewed publications. Dr. Bardales is fluent in Spanish.