Our Expert Team
Our Expert Team - Department of Orthopaedic Surgery
Executive Leadership
![Nicholas M. Bernthal, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/bernthal-nicholas-1902068356.jpg?h=cc9181ef&f=de9d1d37&itok=LBSjfuj-)
Nicholas M. Bernthal, MD
Chair and Executive Medical Director
Division Chief of Musculoskeletal Oncology
Orthopaedic Oncology, Orthopaedic Surgery, Pediatric Orthopaedics
![Allen S. Chen, MD, MPH](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/chen-allen-1992810790.jpg?h=2bb28ec9&f=8697f97a&itok=aVehqTnp)
Allen S. Chen, MD, MPH
Director of Strategy and Partnerships
Associate Professor
Physiatry
![Sharon L. Hame, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/hame-sharon-1063518397.jpg?h=582e13ae&f=2c4242fc&itok=ZWiv9uIS)
Sharon L. Hame, MD
Vice Chair of Equity, Diversity & Inclusion
Professor
Hip Arthroscopy, Knee & Shoulder Reconstruction, Sports Medicine
![Headshot of Karen Lyons PhD, team member of UCLA's department of orthopaedic surgery](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/Karen%20Lyons%20PhD.jpeg?h=cdb70333&itok=jk029WI0)
Karen Lyons, PhD
Vice Chair of Research
Professor
Research Interest: Growth Factor Signaling in Mammalian Development and Disease
![David R. McAllister, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/mcallister-david-1992801203.jpg?h=977dcdd2&f=decc65ed&itok=G5PSBV6f)
David R. McAllister, MD
Vice Chair of Academic Affairs
Division Chief of Sports Medicine
Professor
Sports Medicine, Arthroscopy, Knee & Shoulder Reconstruction
![NN](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/fc/348s_0.jpg?f=33900258&itok=tv6SrCF3)
Frank Petrigliano, MD
Residency Program Director
Professor
Department Faculty
![Peter G. Alexakis, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/alexakis-peter-1942369152.jpg?h=f0fd7b63&f=f3c4d6db&itok=idbaquDu)
Peter G. Alexakis, MD
Staff Physician
![Avatar](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/7a/person-default-image.png?h=8b736dbc&f=a91ccebf&itok=tnA0w8rA)
Derek Altema, MD
Assistant Professor
![Kodi K. Azari, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/azari-kodi-1730152711.jpg?h=42630c1e&f=f1862a4e&itok=cY1dh6Qt)
Kodi K. Azari, MD
Professor
![SMH](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/1a/soroush-baghdadi.png?f=1e8fd59d&itok=xKfKTRvn)
Soroush Baghdadi, MD
Assistant Professor
![Prosper Benhaim, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/benhaim-prosper-1669558615.jpg?h=071359d9&f=f1a8d48c&itok=q4vWUgKR)
Prosper Benhaim, MD
Associate Professor
Hand/Microsurgery Fellowship Program Director
Division Chief of Hand Surgery
Hand Surgery, Microsurgery
![Julie T. Bernthal, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/bernthal-julie-1619310604.jpg?h=964e95ef&f=2856a638&itok=wnyhneaI)
Julie T. Bernthal, MD
Staff Physician
Orthopaedic Endocrinology
![Umesh T. Bhagia, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/bhagia-umesh-1568468528.jpg?h=17ae6ee5&f=dac9c5ae&itok=G1FbLE_X)
Umesh T. Bhagia, MD
Staff Physician
![Edward C. Cheung, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/cheung-edward-1942566872.jpg?h=e35db97e&f=108257ac&itok=lb_VPCfN)
Edward C. Cheung, MD
Assistant Professor
![Alexander B. Christ, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/christ-alexander-1427316702.jpg?h=17ae6ee5&f=c9d0365f&itok=N87Qu6_x)
Alexander B. Christ, MD
Assistant Professor
Orthopaedic Oncology
Musculoskeletal/Oncology Fellowship Program Director
![Brian Donohoe, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/donohoe-brian-1669978862.jpg?h=32792248&f=28610042&itok=V16blLFh)
Brian Donohoe, MD
Assistant Professor
Family Medicine, Sports Medicine
![Jonathan T. Droessler, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/droessler-jonathan-1821594540.jpg?h=17ae6ee5&f=17b30195&itok=vJwzK79I)
Jonathan T. Droessler, MD
Staff Physician
![Calvin J. Duffaut, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/duffaut-calvin-1497056154.jpg?h=8a019425&f=f890d275&itok=7MVoOSJx)
Calvin J. Duffaut, MD
Assistant Professor
![Paige M. Dyrek, DO](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/dyrek-paige-1871055806.jpg?h=17ae6ee5&f=741adb94&itok=-foxg62A)
Paige M. Dyrek, DO
Assistant Professor
![Eric D. Farrell, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/farrell-eric-1215020854.jpg?h=8a019425&f=01a9c458&itok=70kwKJYI)
Eric D. Farrell, MD
Associate Professor
![David E. Fish, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/fish-david-1356424741.jpg?h=52661e67&f=dd2b0a9b&itok=EDZ6C42g)
David E. Fish, MD
Professor
Physiatry
![Amanda M. Honsvall Hoefler, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/honsvallhoefler-amanda-1154855484.jpg?h=d538287b&f=6e594332&itok=VwMv75o7)
Amanda M. Honsvall Hoefler, MD
Staff Physician
Sports Medicine
![Avatar](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/7a/person-default-image.png?h=8b736dbc&f=a91ccebf&itok=tnA0w8rA)
Tyler P. Jackson, MD
Assistant Professor
![Devon M. Jeffcoat, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/jeffcoat-devon-1932318748.jpg?h=8a019425&f=9b613dbd&itok=FZZ_j2Bt)
Devon M. Jeffcoat, MD
Associate Professor
![Andy Jensen, MD, MBE](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/jensen-andrew-1417392689.jpg?h=e003db7b&f=d057a11d&itok=H4hO5jq8)
Andy Jensen, MD, MBE
Assistant Professor
Shoulder and Elbow Surgery
![Eric E. Johnson, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/johnson-eric-1225135999.jpg?h=39719b5c&f=61fe80d8&itok=svELKtMy)
Eric E. Johnson, MD
Professor
Division Chief of Trauma Surgery
Hip Replacement, Joint Replacement, Orthopaedic Trauma, Pelvic Fractures
![Kristofer J. Jones, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/jones-kristofer-1205093895.jpg?h=7a0bcba0&f=1c70f4cb&itok=Sjo-B0-m)
Kristofer J. Jones, MD
Associate Professor
Sports Medicine, Arthroscopy, Knee & Shoulder Reconstruction
![Jae H. Jung, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/jung-jae-1184810707.jpg?h=c73c2aa6&f=6c757e26&itok=6W-eslQ5)
Jae H. Jung, MD
Associate Professor
Physiatry
![Deborah Krakow, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/krakow-deborah-1689657579.jpg?h=8a019425&f=10c07b18&itok=Tb6CQODo)
Deborah Krakow, MD
Professor
Musculoskeletal Genetics
![Thomas J. Kremen, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/kremen-thomas-1366601833.jpg?h=c40c8ef7&f=a82437d6&itok=JxvQyp9E)
Thomas J. Kremen, MD
Assistant Professor
Sports Medicine, Arthroscopy, Knee & Shoulder Reconstruction
![John F. Lawrence, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/lawrence-john-1346399466.jpg?h=4949d41c&f=ffc7872f&itok=kwgIqA-B)
John F. Lawrence, MD
Assistant Professor
Hand Surgery, Orthopaedic Surgery
![Elizabeth L. Lord, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/lord-elizabeth-1669735973.jpg?h=8a019425&f=9db255b0&itok=00mt_Tx0)
Elizabeth L. Lord, MD
Assistant Professor
![JAMES LUCK, JR., MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/Dr_Luck_PROFILE_gray.png?h=4de69ae3&itok=Gzfr-yfX)
James Luck, MD
Professor
Hemophilia, Joint Replacement
![Joseph P. Luftman, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/luftman-joseph-1609943414.jpg?h=1d425529&f=f4d2f31f&itok=D6z4uzXZ)
Joseph P. Luftman, MD
Staff Physician
![Edward J. McPherson, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/mcpherson-edward-1659360576.jpg?h=100e2500&f=c771ca35&itok=Wkvtayu6)
Edward J. McPherson, MD
Professor
![Avatar](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/7a/person-default-image.png?h=8b736dbc&f=a91ccebf&itok=tnA0w8rA)
Roy A. Meals, MD
Staff Physician
![Emily M. Miller, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/miller-emily-1194137737.jpg?h=f1b4a0c8&f=9b91ec18&itok=rzbh5Arx)
Emily M. Miller, MD
Assistant Professor
Family Medicine, Sports Medicine
![Aurelia Nattiv, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/nattiv-aurelia-1659394021.jpg?h=26623875&f=d1d73446&itok=IXdylgtm)
Aurelia Nattiv, MD
Professor
![William L. Oppenheim, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/oppenheim-william-1801962360.jpg?h=42630c1e&f=7bf86861&itok=oHBKSveZ)
William L. Oppenheim, MD
Professor
,![Sabrina P. Sawlani, DO](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/sawlani-sabrina-1184072506.jpg?h=2b7b4b4d&f=7286b256&itok=drH2v5f5)
Sabrina P. Sawlani, DO
Assistant Professor
![Avatar](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/7a/person-default-image.png?h=8b736dbc&f=a91ccebf&itok=tnA0w8rA)
Timothy A. Schaub, MD
Associate Professor
![William L. Sheppard Jr., MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/sheppard-william-1265938351.jpg?h=17ae6ee5&f=1bb30382&itok=G33txqSG)
William L. Sheppard Jr., MD
Assistant Professor
![Joseph P. Solberg, DO](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/solberg-joseph-1063732998.jpg?h=2c84f57a&f=c0482ee3&itok=GmNjbMD-)
Joseph P. Solberg, DO
Assistant Professor
Physiatry,
![Nelson F. SooHoo, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/soohoo-nelson-1568560258.jpg?h=c8ae330f&f=1d897e48&itok=qs0XP9lE)
Nelson F. SooHoo, MD
Professor
![Alexandra I. Stavrakis, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/stavrakis-alexandra-1396097994.jpg?h=ffdf9caa&f=5d8afcc9&itok=2uuX5q03)
Alexandra I. Stavrakis, MD
Assistant Professor
![Daniel V. Vigil, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/vigil-daniel-1184795155.jpg?h=fc5500ab&f=92c2b24f&itok=xFJ6s6mt)
Daniel V. Vigil, MD
Associate Professor
![Lauren E. Wessel, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/wessel-lauren-1184018095.jpg?h=152f2ad3&f=4b2ccbb7&itok=tB4Eyg2S)
Lauren E. Wessel, MD
Assistant Professor
Hand Surgery, Orthopaedic Oncology, Microsurgery
![Kyle S. Yang, MD](/sites/default/files/styles/portrait_3x4_006000_180x240/public/images/yang-kyle-1730521501.jpg?h=8a019425&f=ed2f73dc&itok=AAhHZpxW)
Kyle S. Yang, MD
Assistant Professor
Physical Medicine and Rehabilitation