For the protection of our patients, the staff will wear mask in the office.
For Telehealth follow-up and new consultations please contact us Here
1-818-812-7222 Office Hours: Monday and Wednesay 8:00 AM to 5:00 PM
10 Congress St., Suite #405
Pasadena, CA 91105

Ara Keshishian MD, FACS, FASMBS


Dr. Ara Keshishian is a Board Certified General and Bariatric Surgeon with 20+ years of private practice experience in California. Dr. Ara Keshishian and the team at Central Valley Bariatrics have an opportunity to change how people feel about themselves, increase their health, self-esteem and overall wellbeing through advanced surgical technique and procedures. We also value continued education and advanced technologies. We have made it part of our mission to keep our patients up to date and informed of changing needs and advances in many aspects of their health. We take pride in our energetic, interactive rapport with our patients and strive to maintain a level of trust at all times.

We understand that no two situations, health status or lifestyles are the same. Our focus is on the uniqueness of each individual. Dr. Ara Keshishian would prefer to help you understand the extent of your particular case, and how different surgical options may have more benefits than others. If you have questions, he is glad to answer them and help you understand your options. Educating our patients is one of our highest priorities.

When it comes to your health, having experience is key.  Dr. Ara Keshishian has performed more than 2,000 Duodenal Switch procedures and more than 500 revisions from other Weight Loss Surgeries such as RNY Gastric Bypass, Adjustable Gastric Band, and Sleeve Gastrectomy to Duodenal Switch, as well as numerous General Surgical cases over the last 18 years of private practice.

Operations Performed

Duodenal Switch Open and Lap
Revision of Weight Loss Surgical Procedures
Laparoscopic Sleeve Gastrectomy
Removal and revision of Adjustable Gastric Banding
Advance Laparoscopic and General Surgical procedures:
Robotic Laparoscopic prodedures
Ventral Hernia
Inguinal Hernia
Hiatal Hernia
Laparoscopic Cholecystectomy
Endoscopic Surgery
Laparoscopic Appendectomy
Achalasia Treatment


St. Joseph Mercy Hospital-Oakland
Pontiac, Michigan
1994- 1999

American University of the Caribbean
Sint Maarten
Medical Doctor (MD), April 1994

University of Southern California
Los Angeles, California
BS Biomedical Engineering, August 1990


Private Practice
August 1999, Present

Clinical Appointments

Medical Director, Bariatric Surgery
USC-Verdugo Hills Hospital 2010-2013

Chair, Department of Surgery
Delano Regional Medical Center, 2003-2005

Co-Chair, Critical Care Committee Surgery
Delano Regional Medical Center, 2002

Professional Memberships – Certifications & Licensing

  • State of Michigan, Board of Medicine, Physicians License
  • State of California, Physicians, and Surgeons License
  • American Board of Surgery, Board Certified 2001, Re-certified 2010
  • American College of Surgeons, Fellow
  • American Society For Metabolic And Bariatric Surgery, Fellow
  • American Armenian Medical Association, Member
  • Society American Gastrointestinal Endoscopic Surgeons
  • The Society for the Surgery of the Alimentary Tract
  • America College of Surgeon Certified BAriatric Surgeon MBSAQIP