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Office
500 Parnassus Ave
# MU320
San Francisco, CA 94143Phone+1 415-476-6548
Education & Training
- University of California (San Francisco)Residency, Orthopaedic Surgery, 2020 - 2025
- University of California San Francisco School of MedicineClass of 2020
Certifications & Licensure
- CA State Medical License 2023 - 2027
- PA State Medical License 2024 - 2026
- NJ State Medical License 2024 - 2025
Publications & Presentations
PubMed
- Intraarticular hip corticosteroid injections offer no meaningful benefit in delaying time to total hip arthroplasty in patients with hip osteoarthritis.Ramesh B Ghanta, Ellen Tsay, Musa Zaid, Derek Ward, Jeffrey Barry
Journal of Orthopaedic Surgery and Research. 2024-10-22 - 1 citationsEarly Clinical Outcomes of "Lemon-Dropped" Complex Primary Total Joint Arthroplasty Patients to a Tertiary Care Center.Ellen L Tsay, Kelechi Nwachuku, Preetinder S Bhullar, Brandon J Kelly, Derek T Ward
The Journal of Arthroplasty. 2024-09-01 - Reuse of Orthopaedic Equipment: Barriers and Opportunities.Ellen L Tsay, Sanjeev Sabharwal
JBJS Reviews. 2024-03-01
Journal Articles
- Staged Bilateral Total Knee Arthroplasty: Increased Risk of Recurring ComplicationsGrace TR, Tsay EL, Roberts HJ, Vail TP, Ward DP, J Bone Joint Surg Am, 2/19/2020
- Bilateral Simultaneous vs Staged Total Knee Arthroplasty: Minimal Difference in Perioperative RisksTsay EL, Grace TR, Vail T, Ward D, J Arthroplasty, 12/1/2019
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