Facility/Hospital Affiliations

Community Memorial Hospital 
147 N. Brent Street
Ventura, CA 93003

St. John’s Regional Medical Center 
1600 N. Rose Avenue
Oxnard, CA 93030

St. John’s Pleasant Valley Hospital 
2309 Antonio Avenue
Camarillo, CA 93010

Camarillo Surgical Center
2460 N Ponderosa Dr Ste A117
Camarillo, CA 93010

St. John’s Outpatient Surgery Center
1700 North Rose Ave. Suite 100
Oxnard, CA 93030

Channel Islands Surgicenter 
2300 Wankel Way
Oxnard, CA 93030

Joseph S. LoPresti, MD FACS


Dr. LoPresti has been in practice in Ventura County since July 2002, after having practiced in the Seattle, Washington area for nine years. He received his undergraduate degree in Biology from Stanford University, then attended USC School of Medicine.

He completed his general surgery residency at LAC-USC Medical Center.
Dr. LoPresti is a Board Certified surgeon and a Fellow of the American College of Surgeons with extensive experience in a broad range of surgical procedures. These include advanced laparoscopic surgery–especially anti-reflux surgery, breast surgery, hernia repairs and colon surgery.



  • Advanced Laparoscopic Surgery
  • Anti-Reflux Surgery
  • Breast Surgery
  • Hernia Repairs
  • Colon Surgery

Professional Affiliations 

  • American College of Surgeons, Fellow 
  • Member, Alpha Omega Alpha
  • ​Honor Medical Society

Academic Appointments

  • Chief of Staff, St, John's Regional Medical Center  Jan 2022-Dec 2023

Education and Training

  • Undergraduate Degree 
    Stanford University,
  • Medical Degree
    USC School of Medicine
  • Internship, General Surgery
    ​LAC-USC Medical Center
  • Residency, General Surgery
    ​LAC-USC Medical Center.


  • ​American Board of Surgery