Harpal Paul Khanuja, M.D.

Harpal Singh Khanuja, M.D.

Headshot of Harpal Paul Khanuja
  • Chief, Adult Reconstruction - Hip and Knee Replacement
  • Associate Professor of Orthopaedic Surgery

Languages: English, Punjabi


Avascular Necrosis (AVN) of the Hip, Avascular Necrosis (AVN) of the Knee, Core Decompression for Avascular Necrosis of the Hip, Degenerative Joint Disease (Osteoarthritis of the Hip), Hip Arthritis, Hip Conditions, Hip Dislocations, Hip Fractures, Hip Impingement, Hip Injuries, Hip Replacement, Knee Arthritis, Knee Injuries, Knee Replacement, Knee Surgery, Orthopaedic Surgery, Osteochondritis Dissecans of the Knee, Partial Knee Replacement, Revision Hip Surgery, Revision Knee with Tibial Tubercle Osteotomy, Septic Arthritis of the Knee, Total Hip Replacement, Total Joint Replacement, Total Knee Replacement ...read more

Research Interests

Joint replacement technologies; Patient safety; Computer-assisted surgery; Osteonecrosis; Cartilage repair ...read more

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Insurance Information

Main Phone

Outside of Maryland & Washington D.C.

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International Patients

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Johns Hopkins Medicine - White Marsh

Appointment Phone: 443-997-2663
4924 Campbell Boulevard
Nottingham, MD 21236
Johns Hopkins Medicine - White Marsh - Google Maps

Johns Hopkins Medicine - Green Spring Station

Appointment Phone: 443-997-6754
10803 Falls Road
Pavilion III, Suite 2100
Lutherville, MD 21093
Johns Hopkins Medicine - Green Spring Station - Google Maps


Harpal "Paul" Khanuja, M.D., is an associate professor of orthopaedic surgery at The Johns Hopkins University School of Medicine. Dr. Khanuja serves as the director of the Department of Orthopaedic Surgery at Johns Hopkins Bayview and the director of adult reconstruction, hip and knee replacement surgery for The Johns Hopkins University School of Medicine.

Dr. Khanuja sees and treats adults with disorders of the hip and knee. He specializes in joint replacement surgery, including total hip replacement and total knee replacement. He also offers minimally invasive hip and knee replacement, including anterior hip replacement. He coordinates the integration of best practices for joint replacement. His clinical focus is on improved post-operative recovery and decreased pain. Dr. Khanuja also specializes in complex surgeries, joint replacement revisions and outpatient joint replacement.

Dr. Khanuja holds research interests in cartilage repair, osteonecrosis, computer-assisted surgery patient safety and new technologies in joint replacement.

Dr. Khanuja is past president of the Maryland Orthopaedic Association and a member of the American Academy of Orthopaedic Surgeons and the Association of Hip and Knee Surgeons. He co-founded Operation Walk Maryland, a volunteer medical service organization that provides free surgical treatment for patients in developing countries and in the United States.

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  • Chief, Adult Reconstruction - Hip and Knee Replacement
  • Chief, Department of Orthopaedic Surgery, Johns Hopkins Bayview
  • Associate Professor of Orthopaedic Surgery

Departments / Divisions



  • MD; Albany Medical College (1995)


  • Orthopaedic Surgery; Albany Medical Center (2000)

Board Certifications

  • American Board of Orthopaedic Surgery (Orthopaedic Surgery) (2003)

Research & Publications

Research Summary

Dr. Khanuja’s areas of research include patient safety and new technologies in joint replacements. His goal is to further the understanding of orthopedic hip and knee pathology to improve techniques and patient outcomes.

Selected Publications

View all on PubMed

Banerjee S, Hamilton WG, Khanuja HS, Roberts JT. Outpatient Lower Extremity Total Joint Arthroplasty: Where Are We Heading Orthopedics. 2017 Mar 1;40(2):72-75. doi: 10.3928/01477447-20170302-02. PMID: 28339000

Kane I, Naseer ZA, Jones LC, Khanuja HS, Sterling RS. Safety of tranexamic acid: Are any precautions needed? Tech Orthop. 2017;32(1):28-33

Khanuja HS, Banerjee S, Sodhi GS, Mont MA. Do Prior Intra-Articular Corticosteroid Injections or Time of Administration Increase the Risks of Subsequent Periprosthetic Joint Infections after Total Knee Arthroplasty? J Long Term Eff Med Implants. 2016;26(3):191-197. doi: 10.1615/JLongTermEffMedImplants.2016014045. PMID: 28134600

Naseer ZA, Bachabi M, Jones LC, Sterling RS, Khanuja HS. Osteonecrosis in Sickle Cell Disease. South Med J. 2016 Sep;109(9):525-30. doi: 10.14423/SMJ.0000000000000516. PMID: 27598354

Llado RJ, Banerjee S, Khanuja HS. Smooth Pins Reinforcing Static Cement Spacers for Infected Total Knee Arthroplasty Are Not Safe. Orthopedics. 2016 May 1;39(3):e553-7. doi: 10.3928/01477447-20160324-05. Epub 2016 Apr 5. PMID: 27045481

Activities & Honors


  • John N. Insall Travelling Fellowship, The Knee Society, 2006
  • Inaugural Humanitarian Award, American Association of Hip and Knee Surgeons, 2014


  • American Academy of Orthopaedic Surgeons
  • Association of Hip and Knee Surgeons

Professional Activities

  • Founder, Operation Walk
  • Past president, Maryland Orthopaedic Association

Videos & Media

  • 2017 Clinical Collaboration and Teamwork Award – Harpal Khanuja, M.D. & Total Joint Rep. Team, JHBMC

  • Outpatient Hip and Knee Replacement | Q&A with Dr. Harpal (Paul) Khanuja

Recent News Articles and Media Coverage

Forty-Seven Patients Benefit From Free Joint Replacement Surgery in a Guyana Hospital | News Source Guyana (October 2018)

Advances in joint replacement surgery allow same-day discharge. | Johns Hopkins Bayview News (February 2016)

Operation Walk Maryland | Dome (April 2016)

Webinar: the Causes and Cures of Joint Paint | Johns Hopkins Medicine (October 2014)

Making Knees New Again | Johns Hopkins Medicine (June 2014)

A Systematic Approach to Joint Replacements | Johns Hopkins Orthopaedic Surgery (February 2014)

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