Assistant Professor
Foot & Ankle Surgery
Dr. Castillo's areas of expertise include:
Hammertoes, Bunions, Flatfeet, and Midfoot Arthritis
Ankle Sprains and Instability
Ankle Arthrodesis and Arthroplasty
Achilles Tendon Injuries
Plantar Fasciitis
Education
2020: McGovern Medical School, University of Texas Health Science Center, Houston, TX. Degree awarded: Doctor of Medicine (MD)
2016: St. Mary’s University, San Antonio, TX. Degree awarded: Bachelor of Science (BS) in Biology, minor in Chemistry, graduated magna cum laude
Training
2020-2025: Orthopaedic Surgery Residency, Department of Orthopaedic Surgery and Rehabilitation, The University of Texas Medical Branch, Galveston, TX
2025-2026: Fellowship, Foot and Ankle Surgery, Department of Orthopaedic Surgery and Rehabilitation, The University of Texas Medical Branch, Galveston, TX
Certification
American Board of Orthopaedic Surgery - Eligible
Professional Memberships
American Orthopedic Foot and Ankle Society (AOFAS)
Committee Responsibilities
National
2025-Present: Junior member, AOFAS Annual Meeting Program Committee
Departmental
2025-2026: Foot and Ankle Journal Club, UTMB Dept of Orthopaedic Surgery and Rehabilitation
Peer-Reviewed Publications
- Castillo IA, Heiner JA, Meremikwu RI, Kellam J, Warner SJ. Where Are We in 2022? A Summary of 11,000 Open Tibia Fractures Over 4 Decades. J Orthop Trauma. 2023 Aug 1;37(8):e326-e334. doi: 10.1097/BOT.0000000000002602. PMID: 36952593.
- Tansey PJ, Castillo I, Panchbhavi VK. A novel all-inside knotless arthroscopic deltoid ligament repair. Tech Foot Ankle Surg. 2024 Mar;23(1):1-5. DOI: 10.1097/BTF.0000000000000390
Papers and Continuing Education Programs Presented
- Castillo IA, , Heiner J, Kellam J, Warner S. “A Review of 11,000 Open Tibia Fractures over Four Decades.” Presented as a rapid-fire podium presentation at the Western Orthopedic Association annual meeting, July 2019.
- Castillo IA, , Heiner J, Kellam J, Warner S. “Have Infection Rates Following Open Tibia Fractures Changed: A Review of 11,000 Open Tibia Fractures over Four Decades.” Poster presentation at the Orthopedic Trauma Association annual meeting, September 2019.
- Castillo IA, Venugopal N, Weiss WM. “Multi-Ligament Knee Injuries – Treatment Outcomes in Patients 40 & Older.” Accepted for Rapid Fire Podium Presentation at The Western Orthopedic Association annual meeting, August 2024.
- Ferry K, Castillo IA, Lindeman R, Somerson J, Tansey PJ. “Dynamic Anterior Stabilization is Anatomically Feasible in the Vast Majority of Anterior Shoulder Instability Cases: An MRI Analysis.” Accepted for poster presentation at the Society of Military Orthopaedic Surgeons Annual Meeting 2025.