CHOC Docs :: Provider Profile

Troy M Reyna, MD

(714) 364-4050

Pediatric Surgery

Board Certified:
Surgery, Pediatric Surgery


Dr. Reyna is on staff at CHOC Children's Hospital & CHOC Children's at Mission Hospital

CHOC Children's Specialists - Pediatric Surgery
505 S Main St
Suite 225
Orange, CA 92868
phone: (714) 364-4050
fax: (714) 364-4051
map & directions

CHOC Children's Specialists
1201 W. La Veta Ave.
Orange, CA 92868
map & directions

CHOC Children’s Specialty Center - Newport Beach
500 Superior Avenue
Suite 140
Newport Beach, CA 92663
phone: (714) 364-4050
fax: (714) 364-4051
map & directions

Physician Bio

Dr. Troy Reyna, MD is a CHOC Children's pediatric surgeon, board certified in pediatric surgery and general surgery by the American Board of Surgery. Dr. Reyna is a graduate of the United States Military Academy at West Point, New York where he majored in chemistry. He received his medical degree from Georgetown University Medical School, Washington, D.C. He completed his surgical internship at Walter Reed Army Medical Center, Washington, D.C. and his surgical residency at Tripler Army Medical Center, Honolulu, Hawaii. Dr. Reyna served his Pediatric Surgery fellowship at Columbus Children’s Hospital, Columbus, Ohio.

Dr. Reyna retired from the U.S. Army as a full colonel after serving as an officer for 21 years. He was stationed in Germany, Central America, and Iraq during Operation Desert Storm . He is a faculty member and instructor of Advanced Trauma Life Support with the American College of Surgeons. He is a fellow of the surgical section, the section on critical care, and the section on child abuse and neglect with the American Academy of Pediatrics. Dr. Reyna is a certified diplomate of the American Board of Forensic Examiners.

With his private practice in Las Vegas, Nevada, Dr. Reyna was one of the first to introduce minimally invasive surgery for children. The first laparoscopic cholecystectomy (gallbladder removal) was performed by Dr. Reyna in 1993. The first laparoscopic Nissen fundoplication was done in 1996. Through the years, his methodology has advanced and changed with the times, but his goal remains unchanged: To provide the best care for our children. 

Dr. Reyna’s clinical interests include Hirschsprung disease, pectus excavatum and carinatum surgery, and the care and management of childhood cancers. He speaks fluent German and Spanish.

Administrative Appointments

  • Pediatric Surgery, CHOC Children's Specialists


  • Medical School
    Georgetown University School of Medicine, Washington DC
  • General Surgery Internship
    Walter Reed Army Medical Center, Bethesda, MD
  • General Surgery Residency
    Tripler Army Medical Center, HI
  • Pediatric Surgery Fellowship
    Nationwide Children's Hospital, Columbus, OH

Board Certifications

  • Surgery
    American Board of Surgery
  • Pediatric Surgery
    American Board of Pediatrics

Professional Organizations

  • Association of Military Surgeons of the United States
  • American College of Surgeons
  • Association for Academic Surgery
  • American Academy of Pediatrics
  • Southwest Surgical Congress
  • Society of American Gastrointestinal Endoscopic Surgeons
  • American Professional Society on the Abuse of Children
  • Pacific Association of Pediatric Surgeons
  • International Pediatric Endosurgery Group

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UC Irvine

CHOC Children's is affiliated with the UC Irvine School of Medicine