Photo of Nojan Toomari

Nojan Toomari, D.O., M.D.

Languages: Persian, Spanish, English
Accepting New Patients
Professional Statement
Dr. Toomari provides Advanced Minimally Invasive General Surgery, Gastrointestinal Surgery, and Bariatric Surgery to patients in Encino, California; Orange County, California at University of California Irvine (UCI); and throughout the Greater Los Angeles Area, using the latest State-of-the-art Technology. As a Board Certified General Surgeon with additional Special Certification from ASMBS in Bariatric Surgery, and fellowship training in Advanced Minimally Invasive General Surgery, Bariatric Surgery and Gastrointestinal Surgery, Dr. Nojan Toomari provides the most technologically advanced care with minimal incisions and optimal recovery for his surgical patients. Dr. Toomari's areas of interest include advanced and complex laparoscopy, hernia surgery, reflux surgery, and surgery of the stomach and colon. He is among an elite group of specialists who perform laparoscopic hiatal hernia surgery, and minimally invasive cancer operations of the GI tract - including laparoscopic colon and rectal surgery and gastric cancer surgery. Dr. Nojan Toomari is a board certified general surgeon with special certification in bariatric surgery, and advanced training from UC Irvine in Minimally Invasive Gastrointestinal & Bariatric Surgery. There, he perfected his techniques for Advanced Laparoscopy, Endoscopy, and Minimally Invasive General Surgery, Foregut and Gastrointestinal Surgery, as part of the comprehensive gastrointestinal surgery team. Dr. Toomari performs all general surgery operations, primary bariatric operations including laparoscopic sleeve gastrectomy, lap-band, and laparoscopic gastric bypass surgery, as well as revision weight loss surgery. He has experience managing complications from across Southern California and Northern Mexico. Dr. Nojan Toomari completed a demanding General Surgery Residency at a very busy facility, where he performed over 2000 operations. During his residency, he received numerous awards and recognitions, served as Administrative Chief Resident, and was selected the Surgical Resident of the Year, for and unprecedented two consecutive years.
Western University College Of Osteopathic Medicine Of The Pacific
Medical School
Arrowhead Regional Medical Center, Colton, CA
Arrowhead Regional Medical Center, Colton, CA
University Of California Irvine Medical Center, Orange, CA
Health Plans Accepted
  • AARP (American Association of Retired Persons) (all programs accepted)
  • Aetna HMO
  • Aetna Medicare
  • Aetna POS/EPO
  • Aetna Preferred Provider Organization
  • Anthem Blue Cross California Care HMO
  • Beechstreet
  • Blue Shield of CA 65 Plus Senior Plan HMO
  • Blue Shield of CA Access + HMO Plan
  • Blue Shield of CA Covered CA HMO
  • Blue Shield of CA Covered CA PPO/EPO
  • Blue Shield of CA HMO (calPERS only)
  • Blue Shield of CA HMO Plan
  • Cigna HMO
  • Cigna POS/EPO
  • Cigna Preferred Provider Organization (PPO)
  • Community Care Network PPO
  • First Health Network PPO/EPO
  • GWH-CIGNA (Great West) PPO/POS
  • Health Net Covered CA PPO
  • Health Net HMO
  • Health Net PPO/EPO/POS
  • Health Net Seniority Plus HMO
  • Humana HMO
  • Interplan PPO/EPO
  • Medi-Cal
  • Medi-Medi (Medicare-Medi-Cal)
  • Medicaid
  • Medicare
  • Motion Picture Health/Writers Guild
  • MultiPlan LTD PPO
  • OC Preferred Provider Organization
  • Scan Senior Health Plan HMO
  • TriCare/TriWest PPO
  • United Healthcare EPO
  • United Healthcare HMO
  • United Healthcare POS
  • United Healthcare PPO
Board Certifications
  • American Osteopathic Board of Surgery, General Surgery
Clinical Interests
  • Colorectal Malignancy
  • Gastric Bypass
  • Gastroesophageal Reflux Disease
  • Hernia Repair
  • Minimally Invasive Surgery
  • Obesity
  • Robotic Surgery
  • Stomach Cancer
  • Weight Loss And Bariatric Surgery
  • Weight Problem
Toomari Surgery
18200 Ventura Boulevard
Tarzana, CA 91356
(818) 860-1845
Robotic Surgery Program - Providence Tarzana
18321 Clark Street
Tarzana, CA 91356