Meet our physicians

Matthew A. Knedel, MD

Orthopaedic Surgeon

Richard Oravec, MD

Sports Medicine

Ronald R. Castonguay, MD

Orthopaedic Surgeon


Orthopedics - Hip


  • Osteoarthritis
  • Rheumatoid arthritis
  • Hip pain
  • Hip Avascular Necrosis
  • Painful or failed total hip replacements


  • Minimally invasive, anterior total hip arthroplasty
  • Revision total hip arthroplasty

Orthopedics - Knee


  • Osteoarthritis
  • Rheumatoid arthritis
  • Knee pain
  • Meniscus tears
  • Painful or failed total knee replacements


  • Minimally invasive total knee arthroplasty
  • Revision total knee arthroplasty
  • Knee arthroscopy


  • Lower extremity fractures
  • Outpatient total hip/knee arthroplasty

Sports Medicine

  • Concussions
  • Fracture/Dislocations
  • Overuse/Chronic injuries
    • Meniscus tears
    • Patellofemoral Syndrome
    • Sprains/Strains
    • Shoulder impingement
    • Tendinitis/Tendinopathy
    • Apophysitis
    • Spondylolysis
  • Ultrasound guided injections
  • Osteoarthritis management
  • Sports physicals
  • Rehabilitation
  • Sporting event coordination and medical coverage
  • Nutrition, supplement and performance issues

Introducing Ortho On Demand

Saint Agnes Care now offers Ortho On Demand, a walk-in clinic dedicated to treating minor and major orthopaedic injuries in adults and teens. You won’t see just any doctor. You’ll see one of our orthopaedic, or sports medicine specialists. No appointment necessary.

Choose Saint Agnes Care

Click below to request an appointment.

4770 W. Herndon Ave., Suite 105
Fresno, CA 93722
(559) 450-2663

Monday-Friday, 8 a.m.-5 p.m.