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7485 Mission Valley Road, Suite 104A,
San Diego, CA 92108
Phone (619) 291-8930
Fax (619) 291-8491

Dr. William Tontz, Jr.
Board-Certified Orthopaedic Surgeon

William Tontz, Jr., MD

Dr. Tontz performs many general orthopaedics and sport medicine procedures for a variety of conditions. His specialty includes:

  • Spine Surgery

About Dr. Tontz

A native of Towson, Maryland, he completed his undergraduate work at the University of California, Irvine, California, and received his medical doctorate from the University of Southern California, Los Angeles, California. Dr. Tontz completed his internship at the University of California, San Diego, California, and also his Orthopaedic Surgery residency at the University of California, San Diego, California. His post graduate training included a fellowship in Spinal Surgery at the University of Wisconsin, Madison, Wisconsin. Post fellowship positions included private practice with Coastal Orthopaedics & Sports Medicine in Bradenton, Florida, and a surgeon for San Diego Orthopaedic Associates Medical Group in San Diego. He joined California Orthopaedic Institute in 2012.


  • Undergraduate: University of California, Irvine, CA
  • Medical: University of Southern California, Los Angeles, CA


  • Internship: University of California, San Diego, CA
  • Orthopaedic Surgery Residency: University of California, San Diego, CA
  • Spinal Surgery Fellowship: University of Wisconsin, Madison, WI

Professional Affiliations

  • North American Spine Society
  • Fellow, American Academy of Orthopaedic Surgeons
  • Diplomate, American Board of Orthopaedic Surgery
  • Evidence Based Medicine Committee Member – North American Spine Society

Hospital Affiliations