John Wiemann M.D.

  • Assistant Professor, UCSF

Pediatric Orthopaedic Surgery

John Wiemann, M.D., is board certified in Orthopaedic Surgery.

He earned his medical degree from University of California, San Diego and went on to complete his residency in Orthopaedic Surgery at University of New Mexico. He finished his fellowship in Pediatric Orthopaedics at Arnold Palmer Hospital for Children.

John Wiemann, M.D., has received specific training and education in spine, hip, and sports orthopaedics. His surgical treatments in patients 21 years old and younger focus on:

  • ACL rupture
  • Avascular necrosis
  • Back pain
  • Clubfoot
  • Congenital defects
  • Fractures
  • Hip dysplasia
  • Hip labral tears
  • Knee dislocations
  • Meniscus tears
  • Osteochondromas
  • Perthes disease
  • Polydactyly
  • Scoliosis
  • Shoulder dislocation
  • Slipped capital femoral epiphysis
  • Spine fractures
  • Spondylolisthesis
  • Sports injuries
  • Trigger finger
  • Upper or lower extremity deformity

Dr. John Wiemann is an expert in treating complex musculoskeletal disorders in children, young adults and athletes. His research has been published in multiple journals including the Journal of Bone and Joint Surgery, the Journal of Pediatric Orthopaedics, and the Journal of Orthopaedic Trauma. He has travelled on multiple occasions to Guayaquil, Ecuador to provide humanitarian Orthopaedic surgical care to the children there with no other resources. He currently serves as the Team Orthopaedic Surgeon for Fresno’s men’s and women’s developmental professional soccer teams, the Fresno Fuego and the Fresno Freeze.

Dr. Wiemann also worked as a professional photographer for many years, both across the United States and internationally doing sports and event photography. He currently maintains photography as a hobby and also enjoys golf, skiing, hiking and spending time with his family.

Education and Training

  • Arnold Palmer Hospital for Children; Pediatric Orthopaedics Fellowship
  • University of New Mexico; Orthopaedic Surgery Residency
  • University of California, San Diego; Medical School
  • Duke University; Chemistry minor, Biology B.S.

Licensure & Certifications

  • California State Medical License
  • American Board of Orthopaedic Surgery Certification

Department Affiliations

UCSF Fresno Department of Orthopaedic Surgery