Dr. Longjohn is on Doximity
As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.
- Connect with other colleagues in the same hospital or clinic
- Search all U.S. specialist profiles and refer a patient
- Read the latest clinical news and earn CME/CEU credits
Office
1520 San Pablo St
#2000
Los Angeles, CA 90033Phone+1 323-442-5860- Is this information wrong?
Education & Training
- University of Southern California/LAC+USC Medical CenterResidency, Orthopaedic Surgery, 1990 - 1995
- University of Michigan Medical SchoolClass of 1990
Certifications & Licensure
- CA State Medical License 1991 - 2025
- American Board of Orthopaedic Surgery Orthopaedic Surgery
Awards, Honors, & Recognition
- Top Doctors:LA Area Castle Connolly, 2013
- Top Doctors:Southern California Castle Connolly, 2012
- Fellow (FACS) American College of Surgeons
Publications & Presentations
PubMed
- Metal artifact reduction sequence-MRI abnormalities in asymptomatic patients with dual-mobility hip prostheses.Chung, B., Liu, K., Kistler, N., White, E., Heckmann, N., Chen, X., Lovro, L., Christ, A., Longjohn, D., Oakes, D., Lieberman, J.> ;The Bone & Joint Journal. 2024 Mar 1
- Limited Durability of Extensor Mechanism Reconstruction Following Total Knee Arthroplasty: Mesh and Allograft Show Equivalent Outcomes at Five-Year Follow-Up.Mary K Richardson, Ryan C Ross, Nicholas Kusnezov, Andrew N Vega, John Ludington, Donald B Longjohn, Daniel A Oakes, Nathanael D Heckmann> ;The Journal of Arthroplasty. 2024 Mar 1
- 1 citationsRefining the Role of Routine Synovial Alpha-Defensin in Periprosthetic Joint Infection Following Total Knee Arthroplasty: An Analysis of Limitations.Nathanael D Heckmann, Jennifer C Wang, Kevin C Liu, Paul Won, Brian C Chung, Lucas W Mayer, Donald B Longjohn, Daniel A Oakes, Alexander B Christ, Jay R Lieberman> ;The Journal of Arthroplasty. 2023 Dec 1
- Join now to see all
Professional Memberships
- Member
Hospital Affiliations
- Keck Hospital of USCLos Angeles, California
Viewing the full profile is available to verified healthcare professionals only.
Find your profile and take control of your online presence: