Physician — Specialist in Radiation Oncology.
Director PCP_Consultoría · IAEA Consultant ·
Master's in Clinical Management, Medical & Healthcare Leadership.
Faculty Member, National University of Córdoba (UNC).
Member, Advisory Board of the Nuclear Regulatory Authority (CAAR).
Secretary, Argentine Radiosurgery Association (AAR).
Vice-President, Latin American & Iberian Radiosurgery Association (ALAIR).

+60 International
Conferences
+20 PubMed
Publications &
Book Chapters
+20 countries
International
Speaker
25a Senior Clinical
Experience
Value Proposition — PCP_Consultoría
Protocol Development & Standardization
Implementation of evidence-based international protocols. Reduction of clinical variability with direct quality impact.
Workflow & Data Optimization
Statistical analysis applied to strategic decision-making. Clinical and operational KPI dashboards.
Clinical Program Development
Design and implementation of advanced radiation therapy services. SBRT, SRS, ADAPTIVE_RT.
Training & Knowledge Transfer
Training of interdisciplinary teams. Active university faculty at UNC. IAEA Consultant since 2015.
Senior Professional Experience
Since 2025
Director · PCP_Consultoría
Strategic Consulting in Oncology Ecosystems
Jun 23–Jun 26
Medical Affairs Consultant LATAM
Varian Medical Systems (Siemens Healthineers) · Latin America
Since 2021
Medical Coordinator & Consultant — Radiation Oncology
Multidisciplinary Oncology Institute (IMO) · Río Negro, Argentina
CETAC-Juncal · Buenos Aires, Argentina
2009–2019
Medical Director & Radiation Oncologist
Instituto Zunino – Marie Curie Foundation · Córdoba, Argentina
Since 2015
International Expert Consultant
International Atomic Energy Agency (IAEA)
International Graduate Training
2012
UCLA · Los Ángeles, CA, USA
SBRT Training Program. Stereotactic Body Radiation Therapy.
2009
Memorial Sloan Kettering · NY, USA
ESTRO Technology Transfer Grant '09. HDR Prostate Brachytherapy.
2006–2009
Institut Curie · París, Francia
AFS/FFI 2-year Fellowship + Chief Resident (AFSA). Radiation Oncology, Prostate Brachytherapy, Breast Cancer.
2005
Washington Univ. · Siteman Cancer Center, St. Louis · USA
2003
Stanford Univ. · Dept. of Radiation Oncology · CA, USA
Indexed Publications — PubMed (12 total)
Castro Peña P et al. Adoption and Practice Variability of Prostate SBRT in Latin America. Cureus. 2026 Mar. PMID: 42005182
Cosset JM, Castro-Pena P et al. One-step customized TURP and permanent implant brachytherapy for prostate cancer. Brachytherapy. 2011. PMID: 21251622
Kirova YM, Castro Pena P et al. Simplified rules for everyday delineation of lymph node areas for breast cancer radiotherapy. Br J Radiol. 2010. PMID: 20019174
Hijal T, Castro-Pena P et al. Simultaneous integrated boost in breast conserving treatment: helical tomotherapy vs 3D-CRT. Radiother Oncol. 2010. PMID: 20171752
Castro Pena P, Kirova YM et al. Anatomical delineation of target volumes in breast cancer RT: individual variability. Br J Radiol. 2009. PMID: 19255114
Chargari C, Castro-Pena P et al. Concurrent capecitabine and whole-brain radiotherapy for brain metastases in breast cancer. J Neurooncol. 2009. PMID: 19169856
Selected International Conferences · +60 total · 20+ countries
2026 · Punta del Este · SRS in GBM & Vestibular Schwannoma
2025 · Bogotá · INC · AI & Theranostics in Radiation Therapy
2025 · Cancún · ALASBIMN · 177Lu-PSMA & SBRT
2024 · Madrid · SER/ALAIR · Surgery vs SRS Brain Metastases
2024 · NYC · ISRS 16° · HUG Initiative "SBRT_Prostate"
2024 · Río de Janeiro · ALATRO · Prostate SBRT LATAM
2023 · Munich · Multiple Brain SRS
2022 · Costa Rica · ISRS · "Prostate SBRT"
2019 · Río de Janeiro · ISRS 14° · SPINE SBRT
2018 · Valencia · SER 16° · SRS & Fractionation
2017 · San Petersburgo · White Nights Forum 3rd · APBI
2016 · Kazajistán · IGRT, Hypo, SBRT & Oligomets.
2007 · Chicago · RSNA · Breast Contouring
University Teaching Activity
Since 2021
Faculty Instructor — 1st Department of Diagnostic Imaging & Radiation Therapy
School of Medicine, National University of Córdoba (UNC)
2010–2019
Graduate Faculty in Radiation Oncology
Instituto Zunino – Marie Curie Foundation · UNC
Since 2015
Guest Lecturer — Biennial Medical Audit
Medical Audit & Healthcare Quality Association of Córdoba · UNC
Digital Presence & Networks
LinkedIn
pablo-castro-peña · /in/drcastropena
Facebook
pablo.castropena.56
Twitter / X
@DrCastroPena
Instagram
pablo.castropena.md
"Clinical excellence is not declared.
It is standardized, measured, and demonstrated."
— Pablo A. Castro Peña · Director, PCP_Consultoría