John Philip Andrawis, MD

Dr. John Phillip Andrawis, MD, MBA is a distinguished orthopedic surgeon specializing in hip and knee replacement surgery. He currently serves as Chief of Orthopedic Surgery and Medical Director of the Orthopedic Surgery Service Line at Torrance Memorial Hospital in Torrance, California. In addition to his hospital leadership role, Dr. Andrawis maintains active teaching and clinical responsibilities at Harbor-UCLA Medical Center, where he directs resident research and participates in faculty education. His dual focus on clinical excellence and team-based care enables him to deliver highly effective outcomes for patients undergoing joint replacement procedures.

Dr. Andrawis’ professional philosophy centers on improving patients’ quality of life through hip and knee replacement surgery. He emphasizes a compassionate, multidisciplinary approach, coordinating closely with surgical teams, physical therapists, and other healthcare providers to ensure comprehensive care. Since joining Torrance Memorial in 2018, he has been instrumental in advancing hospital-based orthopedic programs, implementing value-based healthcare initiatives, and mentoring the next generation of orthopedic surgeons. He also contributes to the broader field of orthopedics as a reviewer for Clinical Orthopaedics and Related Research and an active participant in research and publications focused on joint replacement and healthcare outcomes.

Dr. Andrawis earned his medical degree from the University of Chicago Pritzker School of Medicine in 2012, followed by residency training at Harbor-UCLA Medical Center and a fellowship at the University of Texas at Austin. He holds an MBA and is recognized as a Fellow of both the American Academy of Orthopaedic Surgeons (AAOS) and the American Association of Hip and Knee Surgeons (AAHKS). Beyond his clinical and administrative work, Dr. Andrawis is committed to advancing orthopedic education, research, and innovation, while fostering patient-centered care that emphasizes both safety and measurable results.

• Medical School University of Chicago
• Residency Harbor UCLA Medical Center
• Fellowship University of Texas Dell Medical School

• FAAOS
• FAAHKS

Publications:

RESEARCH PAPERS 

A. RESEARCH PAPERS - PEER REVIEWED

1. Andrawis JP, Hwang KS, Green AE, Babakchanian S, Morra JH, Cummings JL, Toga AW, Trojanowski J, Shaw L, Jack CR, Weiner MW, Thompson PM, Apostolova LG. 3D mapping of associations between Amyloid-PET and CSF biomarkers and hippocampal morphology. Alzheimer's and Dementia, Volume 5, Issue 4, Supplement 1, July 2009, Pages P197-P198

1. Apostolova  LG, Hwang KS, Andrawis JP, Green AE, Babakchanian S, Morra JH, Cummings JL, Toga AW,  Jack CR, Weiner MW, Thompson PM,. 3D mapping of associations between Amyloid-PET and CSF biomarkers and hippocampal morphology in normal aging and Alzheimer’s disease. NeuroImage, Volume 47, Supplement 1, July 2009, Page S87

1. Apostolova LG, Hwang KS, Andrawis JP, Green AE, Babakchanian S, Morra JH, Cummings JL, Toga AW, Trojanowski JQ, Shaw LM, Jack CR, Koeppe RA, Mathis CA, Weiner MW, Thompson PM. 3D PIB and CSF biomarker associations with hippocampal atrophy in ADNI subjects. Neurobiology of Aging. Volume 1, Issue 8, Aug 2010, Pages 1284-1303

1. Andrawis JP, Hwang KS, Green AE, Kotlerman J, Ramirez A, Elashoff D, Moora JH, Cummings JL, Toga AW,Thompson PM, Apostolova LG. Effects of ApoE4 and maternal history of dementia on hippocampal atrophy. Neurobiology of Aging. 2010 Sept. 10.

1. Andrawis JP, Chenok KE, Bozic KJ. Health policy implications of outcomes measurement in orthopaedics. Clin Orthop Relat Res. 2013 Nov;471(11):3475-81. doi: 10.1007/s11999-013-3014-7. 

1. Andrawis J, Akhavan S, Chan V, Lehil M, Pong D, Bozic KJ. Higher Preoperative Patient Activation Associated With Better Patient-reported Outcomes After Total Joint Arthroplasty. Clin Orthop Relat Res. 2015 Mar 11.

1. Andrawis, John P., David A. Muzykewicz, and Orrin I. Franko. "Mobile device trends in orthopedic surgery: rapid change and future implications." Orthopedics 39.1 (2016): e51-e56.

1. Leyton-Mange A, Andrawis J, Bozic KJ. A Surgeon Value Scorecard to Improve Value in Total Joint Replacement. Clinical Orthopedics and Related Research. 2018 Feb 23.

1. Andrawis, John P., and Kevin J. Bozic. "Health Policy and Financial Issues Related to New Total Knee Arthroplasty Technology." Techniques in Orthopaedics 33.1 (2018): 7-10.

1. Shymon, S. J., Keeling, P., Rashidi, S., Kwong, L. M., & Andrawis, J. P. (2020). Current illicit drug use profile of orthopaedic trauma patients and its effect on hospital length of stay. Injury.

1. Jayakumar, Prakash, Meredith G. Moore, Kenneth A. Furlough, Lauren M. Uhler, John P. Andrawis, Karl M. Koenig, Nazan Aksan, Paul J. Rathouz, and Kevin J. Bozic. "Comparison of an Artificial Intelligence–Enabled Patient Decision Aid vs Educational Material on Decision Quality, Shared Decision-Making, Patient Experience, and Functional Outcomes in Adults With Knee Osteoarthritis: A Randomized Clinical Trial." JAMA network open 4, no. 2 (2021): e2037107-e2037107.

1. Stambough, J. B., Deen, J. T., Walton, S. L., Kerr, J. M., Zarski, M. J., Yates Jr, A. J., & Andrawis, J. P. (2021). Arthroplasty during COVID-19: surveillance of AAHKS members in the first year of the pandemic. Arthroplasty today, 7, 209-215.

1. Lyman, K.S., Athinarayanan, S.J., McKenzie, A.L., Pearson, C.L., Adams, R.N., Hallberg, S.J., McCarter, J.P., Volek, J.S., Phinney, S.D. and Andrawis, J.P., 2022. Continuous care intervention with carbohydrate restriction improves physical function of the knees among patients with type 2 diabetes: a non-randomized study. BMC musculoskeletal disorders, 23(1), pp.1-12.

1. Tye EY, Taylor AJ, Kay RD, Bryman JA, Andrawis JP, Runner RP. An Orthopedic Surgeon’s Dental Examination: Reducing Unnecessary Delays in Joint Replacement Surgery for Marginalized Patients in a Safety Net Hospital System. Arthroplasty today. 2021 Dec 1;12:76-81.

1. Tye, Erik Y. MD; Bryman, Jason A. MD; Kay, Robert D. MD; Taylor, Adam J. MD; Andrawis, John P. MD, MBA; Kwong, Louis M. MD All-cementless Revision Total Knee Arthroplasty Using a Constrained Condylar Design With Porous Tantalum: Technique and Clinical Results, Techniques in Orthopaedics: May 23, 2022 - Volume - Issue - 10.1097/BTO.0000000000000592 doi: 10.1097/BTO.0000000000000592

1. Lonza, G.C., Yuan, F., Pham, F.M., Wright, C.T., Arellano-Kruse, A. and Andrawis, J., 2022. Liposomal Bupivacaine Versus Continuous Nerve Block: Liposomal Bupivacaine May be Non-inferior and More Cost Effective. The Journal of Arthroplasty.

1. Kagan, Ryland, et al. "Lower Associated Risk of Revision With All-Polyethylene Tibial Components in Total Knee Arthroplasty: An Analysis of the American Joint Replacement Registry." The Journal of Arthroplasty (2024).
2. Aynaszyan, S., Lonza, G. C., Sambare, T. D., Son, S. J., Alvarez, I., Tomasek, G., ... & Andrawis, J. P. (2024). Limited Health Literacy Among Patients With Orthopedic Injuries: A Cross-sectional Survey of Patients Who Underwent Orthopedic Trauma Surgery in a County Hospital Setting. Orthopedics, 1-7.

B. RESEARCH PAPERS - PEER REVIEWED (IN PRESS): none

C. RESEARCH PAPERS - PEER REVIEWED (SUBMITTED): none

D. RESEARCH PAPERS (NON-PEER REVIEWED): none

E. RESEARCH PAPERS - NON-PEER REVIEWED: none

F. RESEARCH PAPERS - NON-PEER REVIEWED (SUBMITTED): none

CHAPTERS 

1. Andrawis JP, Grogan TJ. Organizational Design and Behavior. Business, Policy and Practice Management in Orthopaedics Lecture Series. AAOS. April 2015
2. Erik Tye, Andrawis JP, Mather III R, Jayakumar P. Value-based Healthcare in Orthopedics. Condition-Based Payments. AAOS. Wolters Kluwer Health 2023

LETTERS TO THE EDITOR: none

REVIEWS:

1. Andrawis, John P. "CORR Insights®: What Factors Are Associated With Disability After Upper Extremity Injuries? A Systematic Review." Clinical Orthopaedics and Related Research® 476.11 (2018): 2216-2218.

1. Karim, M. A., Andrawis, J., Bengoa, F., Bracho, C., Compagnoni, R., Cross, M., ... & Gehrke, T. (2018). Hip and Knee Section, Diagnosis, Algorithm: Proceedings of International Consensus on Orthopedic Infections. The Journal of arthroplasty.

1. Andrawis JP, Koenig KK, Bozic KJ, Bundled payment care initiative: How this all started, Seminars in Arthroplasty, Volume 27, Issue 3, 2016, Pages 188-192, ISSN 1045-4527..

1. Franko OI, Andrawis JP, Mickelson DT. Mobile Apps for orthopedic surgeons: how useful are they? Orthopaedic Research and reviews. May 2015. Volume 2015:7 Pages 39-45

1. Karim, M.A., Andrawis, J., Bengoa, F., Bracho, C., Compagnoni, R., Cross, M., Danoff, J., Della Valle, C.J., Foguet, P., Fraguas, T. and Gehrke, T., 2019. Hip and knee section, diagnosis, algorithm: proceedings of international consensus on orthopedic infections. The Journal of arthroplasty, 34(2), pp.S339-S350.

EDITORIALS:

1. Tanmaya Sambare, John Andrawis, Ronald Navarro, Karl Koenig: Social Determinants of Health, Payment Reform, and the Role of the Orthopaedic Surgeon AAOS Now. May 2024

1. Tanmaya Sambare, John Andrawis, Nicholas Giori, Karl Koenig: Are Procedure-Based Bundled Payments Leading to the Commoditization of Elective Orthopaedic Care? AAOS Now. Jan 2024

1. Leyton-Mange A, Andrawis J, Koenig K. APMs and BPCI Advanced: What They Mean for Orthopaedic Surgeons. AAOS Now. 2018.

1. Andrawis, John P., Mark McClellan, and Kevin J. Bozic. "Bundled payments are moving upstream." NEJM Catalyst 5.1 (2019).

Lectures/Presentations:

Avestian H, Andrawis “Factors associated with prolonged intraoperative time in primary TKA: A systematic review” 

Aynaszyan S. BS, Lonza G. MD, Sambare T. MD, Son S. MD, Alvarez I. MD, Tomasek G., Bryman J. MD, Shymon S. MD, Andrawis J. MD, MBA. Health Literacy and Social Determinants of Health in Postoperative Orthopedic Trauma Patients at a Safety Net Hospital.” [poster] American Orthopaedic Association 137th Annual Leadership Meeting and CORD Conference, St. Louis, MO, Jun, 2024.

Aynaszyan S. BS, Lonza G. MD, Sambare T. MD, Son S. MD, Alvarez I. MD, Tomasek G., Bryman J. MD, Shymon S. MD, Andrawis J. MD, MBA. Low Health Literacy and Limited Understanding of Orthopedic Trauma Patients in a County Hospital Setting.” [poster] American Orthopaedic Association 137th Annual Leadership Meeting and CORD Conference, St. Louis, MO, Jun, 2024.

Kendal J, Andrawis JP “Lower revision Risk with All-Polyethylene Tibial Components in Total Knee Arthroplasty: An analysis of the American Joint Replacement Registry” AAOS March 8, 2023

Andrawis JP “Lower revision Risk with All-Polyethylene Tibial Components in Total Knee Arthroplasty: An analysis of the American Joint Replacement Registry” ISAR Sept 3, 2022

Lullo B, Kody K, Andrawis JP “Harnessing web technologies to increase accessibility to post-operative care instructions and rehabilitation exercises” AAOS 2021 Annual Meeting- Electronic Skills Pavilion. September 2,2023

Andrawis JP.”Healthcare Communication in the Digital Age- Mobile Devices” AAOS 2015 Annual Meeting- Electronic Skills Pavilion.March 26,2015

Andrawis JP, Muzykewicz D, Franko OI. “Mobile Device Trends in Orthopaedic Surgery: Change in only 40 months” 2014 OREF/ORS Pacific Coast Regional Resident Research Symposium, San Francisco, CA October 21,2014

Andrawis JP “Four Apps That Will Change the Way you Practice” AAOS 2014 Annual Meeting- Electronic Skills Pavilion. March 12,2014

Andrawis JP, Bantilan MB ”Navigating HIPAA in Medical Health App Implementations” AAOS 2014 Annual Meeting- Electronic Skills Pavilion. Maintaining Privacy March 14,2015

Pham C, Tsoi D, Andrawis JP. “A Retrospective Study: Drug And Alcohol Use In Orthopedic Trauma Patients In LA County.” 2016 AAOS Annual Meeting. Submitted

Pham C, Tsuchida G, Bantilan G, Satyadi M, Alvarado D, Shoukralla  M. “Outcomes of Total Joint Replacement Patients in LA County.” 2016 American Association of Hip and Knee Society Annual Meeting. Submitted

Pham C, Tsuchida G, Satyadi M, Alvarado D, Shoukralla  M, Andrawis J. “Los Angeles County Total Hip and Knee Patients are More Engaged in Their Health Behavior. Western Orthopaedic Association 78Th Annual Meeting, Big Island, Hawaii, July 31 2014

Andrawis JP, Hwang KS, Green AE, Moora JH, Kotlerman J, Ramirez A, Elashoff D, Cummings JL, Thompson PM, Apostolova LG. Accelerated hippocampal atrophy in subjects with maternal history of Alzheimer’s disease, 2nd Annual Conference on Clinical Trials on Alzheimer’s Disease, Las Vegas, NE, October 2009. 

Andrawis JP, Hwang KS, Green AE, Babakchanian S, Morra JH, Cummings JL, Toga AW, Trojanowski J, Shaw L, Jack CR, Weiner MW, Thompson PM, Apostolova LG. 3D mapping of associations between Amyloid-PET and CSF biomarkers and hippocampal morphology. 12th International Conference on Alzhimer’s Disease and Related Disorders, Vienna, Austria, July 2009.

Andrawis JP, Hwang KS, Green AE, Ramirez A, Kolterman J, Elashoff D, Morra JH, Thompson PM, Cummings JL, Apostolova LG. Hippocampal atrophy in patients with maternal history of Alzheimer’s disease. 2009 Annual Meeting of the American Geriatrics Society, Chicago, Il, April 2009.