Our Pediatric Surgeons

P. Cameron Mantor, MD
Chief of Pediatric Surgery

P. Cameron Mantor, MD, is a Professor, Vice Chair of Operations, and Division Chief of Pediatric Surgery in the Department of Surgery at the University of Oklahoma. He is board certified in General and Pediatric Surgery and Surgical Critical Care, with a special interest in general and thoracic pediatric surgery and surgical critical care.

Jeremy Johnson, MD

​Jeremy Johnson, MD, is an Assistant Professor in the Department of Surgery at the University of Oklahoma. He is board certified in Pediatric Surgery, with a special interest in neonatal surgery, the ECMO procedure, pediatric trauma and pediatric oncology. He received his medical degree from the University of Oklahoma College of Medicine where he also completed his fellowship and residency.

Nikola K. Puffinbarger, MD

Nikola K. Puffinbarger, MD, is an Associate Professor in the Department of Surgery at the University of Oklahoma. She is board certified in both General and Pediatric Surgery. She earned her medical degree from the University of Oklahoma College of Medicine where she also completed her residency. She joined the Pediatric Surgery Team at The Children’s Hospital after a Two-Year Fellowship at Babies and Children’s Hospital of New York, Columbia University in New York City.

Alejandro Ruiz-Elizalde, MD

Alejandro Ruiz-Elizalde, MD, is an Assistant Professor in the Department of Surgery at the University of Oklahoma. He is a Board-Certified Pediatric Surgeon. Dr. Ruiz-Elizalde earned his medical degree at the College of Physicians and Surgeons of Columbia University in New York City in 2004. Following his medical degree, he did a general surgery residency at New York-Presbyterian Hospital/Columbia from 2004 to 2011. From 2009 to 2011, Dr. Ruiz-Elizalde did a Research Fellowship in Pediatric Surgery at the Morgan Stanley Children’s Hospital of New York, where he studied the effect of chemotherapy agents on intestinal motility and the enteric nervous system.

Read More

Upon completion of his general surgery residency, he did additional specialized training during a Two-Year Fellowship in Pediatric Surgery at the University of Oklahoma Children’s Hospital. Dr. Ruiz-Elizalde subsequently joined the surgical faculty at the University of Oklahoma in 2013 after completing all of his training. Dr. Ruiz-Elizalde has an interest in extracorporeal life support (ECMO), treatment of diaphragmatic hernias, treatment of congenital diseases of the biliary tract and childhood tumors, among others. In addition, he actively engages medical students and surgical residents in their education and training.

Read Less

Our Pediatric Cardiothoracic Surgeons

Burkhart copy

Harold M. Burkhart, MD
Chief of Cardiac, Thoracic and Vascular Surgery

Link to bio.

Jess L. Thompson, MD

Link to bio.

Our Pediatric Plastic ​& Reconstructive Surgeons

Anthony Tufaro, DDS, MD, FACS, Chief of Plastic Surgery

Link to bio.

Christian El Amm, MD

Link to bio.