Hamilton Orthopaedic Associates
Hamilton Orthopaedic Associates
  • Home
  • Medical Learners
  • Dr. Rajaratnam
    • About Dr. Rajaratnam
    • Shoulder Surgery
    • Hip Arthroplasty
    • Knee Arthroplasty
    • Rehab Protocols
    • Pre Op
    • Post Op
    • Injections
    • Surgical Sites
    • Downloads
    • Surgery at HGH
  • Dr. Al-Asiri
  • Dr. Petrisor
  • Contact Us
  • More
    • Home
    • Medical Learners
    • Dr. Rajaratnam
      • About Dr. Rajaratnam
      • Shoulder Surgery
      • Hip Arthroplasty
      • Knee Arthroplasty
      • Rehab Protocols
      • Pre Op
      • Post Op
      • Injections
      • Surgical Sites
      • Downloads
      • Surgery at HGH
    • Dr. Al-Asiri
    • Dr. Petrisor
    • Contact Us
  • Home
  • Medical Learners
  • Dr. Rajaratnam
    • About Dr. Rajaratnam
    • Shoulder Surgery
    • Hip Arthroplasty
    • Knee Arthroplasty
    • Rehab Protocols
    • Pre Op
    • Post Op
    • Injections
    • Surgical Sites
    • Downloads
    • Surgery at HGH
  • Dr. Al-Asiri
  • Dr. Petrisor
  • Contact Us

Your Path to Pain-Free Living

Your Path to Pain-Free LivingYour Path to Pain-Free LivingYour Path to Pain-Free Living

Welcome to Hamilton Orthopaedic Associates

 At Hamilton Orthopaedic Associates, we are dedicated to providing exceptional care for your musculoskeletal health. Our team of highly skilled specialists focuses on the diagnosis, treatment, and rehabilitation of conditions affecting the ankles, feet, hips, knees, and shoulders. 


Hamilton Orthopaedic Associates is a group of surgeons, scholars and staff that share the single goal: optimising the care of the critically injured. Through patient-centered clinical care, research and education, we are dedicated to pushing innovation in the field of orthopaedic trauma. 

Meet the Team

Krishan Rajaratnam, MD, FRCS(C)

Krishan Rajaratnam, MD, FRCS(C)

Krishan Rajaratnam, MD, FRCS(C)

Dr. Krishan Rajaratnam is a Clinical Assistant Professor in the Division of Orthopaedic Surgery at McMaster University. His clinical practice specializes in upper extremity and joint reconstruction. Specific research interests include patient-reported outcomes of shoulder disease treatments.


Learn More

Brad Petrisor, MD FRCS(C)

Krishan Rajaratnam, MD, FRCS(C)

Krishan Rajaratnam, MD, FRCS(C)

Dr. Petrisor is an orthopedic surgeon who specializes in orthopaedic Trauma and Foot & Ankle. He possesses extensive experience in international surgery activity spanning clinical service, education and research. This includes disaster relief and care and capacity building around the world. 


Learn More

Jamal Al-Asiri, MBBS FRCS(C)

Krishan Rajaratnam, MD, FRCS(C)

Jamal Al-Asiri, MBBS FRCS(C)

 Dr. Al-Asiri completed his medical school training at King Faisal University, Saudi Arabia and graduated from McMaster University’s Orthopedic Residency Training program in 2013. He subsequently pursued combined clinical fellowships in Foot & Ankle and Trauma (pelvis and acetabulum) reconstruction surgery for 3 years at Hamilton General Hospital 

Learn More

Contact Us

Better yet, see us in person!

Dr. K. Rajaratnam 

Phone: (905) 526-8430

Fax: (905) 526-6227



Dr. B. Petrisor 

Phone: (905) 521-2100 ext 44648

Fax: (905) 523-6776


Dr. J. Al-Asiri                                    

Phone: 905-521-2100 Ext: 44549

Fax: 905-296-5199

Hamilton Orthopaedic Associates

LL2, 304 Victoria Avenue North, Hamilton, Ontario L8L 5G4, Canada

Copyright © 2025 Hamilton Orthopaedic Associates - All Rights Reserved.

  • Contact Us
  • Links

This website uses cookies.

We use cookies to analyze website traffic and optimize your website experience. By accepting our use of cookies, your data will be aggregated with all other user data.

Accept