Dr. Alberto Díez‑Caballero Alonso, MD, PhD, is a leading general and digestive surgeon at Centro Médico Teknon in Barcelona, Spain. With over 25 years of experience, his primary focus areas include:
Advanced laparoscopic and robotic digestive surgery
Bariatric and metabolic surgery for obesity
Esophageal, gastric, liver, pancreas and biliary tract surgery
Educational Background
Dr. Díez‑Caballero forged a rigorous academic foundation during his training:
MD, University of the Basque Country, Spain (1990)
Residency in General & Digestive Surgery, Clínica Universidad de Navarra (1992–1996), specialist qualification in 1996
Visiting resident – Transplant Surgery, University of Michigan (Ann Arbor, USA, 1994)
PhD in Medicine & Surgery, Universidad de Navarra, cum laude and awarded extraordinary doctoral prize (2003)
Advanced laparoscopic and robotic surgery training in the USA and France
Dr. Díez‑Caballero combines clinical excellence with leadership and innovation:
Co‑director, Quirúrgica Cirujanos Asociados; Senior Surgeon at Centro Médico Teknon (since 2004)
Pioneer of laparoscopic surgery in Clínica Universidad de Navarra and Hospital Clínic de Barcelona
Pioneer of single-incision laparoscopic surgery (LESS) at Teknon; accredited robotic surgeon in digestive surgery using Da Vinci
Visiting surgeon in hepatobiliary surgery at Hospital Beaujon (Paris, 2018)
Instructor of laparoscopic surgical courses for national and international surgeons
Academic Contributions
Associate Clinical Professor, University of Navarra School of Medicine (1996–2003)
Doctoral course lecturer on laparoscopic surgery at Navarra (2002–2003)
Speaker at national and international surgical congresses
Mentored over 500 surgeons in advanced laparoscopic techniques
Areas of Expertise
Dr. Díez‑Caballero specializes in:
Bariatric/metabolic surgery (gastric bypass, sleeve, revisional procedures)
Esophageal and gastric surgery (benign and malignant conditions)
Hepato‑bilio‑pancreatic surgery, including tumor and metastasis removal
Advanced laparoscopic and single‑incision (LESS) surgery
Robotic-assisted digestive surgery using Da Vinci™
Emergency general surgical procedures (hernia repair, gallbladder, adrenal, spleen)
Publications and Research
Dr. Díez‑Caballero has authored over 40 scientific publications focusing on:
• Minimally invasive approaches for rare digestive pathologies (e.g., Median Arcuate Ligament Syndrome). • Robotics and LESS outcomes in abdominal surgery. • Long-term results and predictors of success in bariatric and hepatobiliary procedures.
Publication records are available on PubMed, ResearchGate and ORCID.
Patient Care Philosophy
Dr. Díez‑Caballero centers care around innovation, safety, and patient empowerment:
Commitment to personalized, high-technology surgical care
Clear and empathetic communication with patients before and after surgery
Support for international patients with online pre-consultation and full coordination
Strong patient satisfaction reflected in positive testimonials from hernia, gallbladder and pancreatic cyst surgeries
Professional Affiliations
Member, Spanish Association of Surgeons (AEC)
Member, Spanish Society of Obesity Surgery (SECO)
Member, European Association for Endoscopic Surgery (EAES)
FAQs
Is Dr. Alberto Díez‑Caballero Alonso board‑certified?
Yes. He holds official Spanish certifications in General and Digestive Surgery.
What types of surgeries does he perform?
He performs bariatric, metabolic, esophageal, gastric, hepatobiliary, robotic-assisted, and emergency general surgeries.
Does he treat international patients?
Yes. He offers online pre‑consultations and full coordination through Teknon’s international patient services.
How long is the typical hospital stay?
Stay varies: same‑day discharge for some laparoscopic procedures; 2–5 days for complex digestive or bariatric surgery.
What languages does he speak?
He speaks Spanish, English and Catalan fluently.
Certification & Accreditation
European Association for Endoscopic Surgery
Patient reviews
5
Excellent
27 reviews
Detailed information
5 stars
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Patient reviews
Spain,
Jan 08, 2016
Anonym
Operada de reflujo gastroesofagico y hernia de hiato en octubre 2013. Me siento totalmente curada gracias a él y al Dr.Balboa que me diagnosticó. Trato educado, sentí en todo momento estar en manos de un profesional cualificado.
Spain,
Jan 03, 2016
pasquale v.
Lo mejor:
Extraordinario medico, que con pocas palabras sabe infundir ánimo,seguridad y confianza.
Las dos intervenciones fueron un éxito.
Lo recomendaría sin dudar a un amigo o a un familiar.
Spain,
Jun 18, 2015
Anonym
Acabe por azar en las manos del Dr. Diez-Caballero y no podia haber caido en otras mejores. La intervencion ha sido fantastica y sus cuidados inmejorables. Como persona amable y tierno. Muchas gracias por todo,por fin puedo comer un trozo de ''queso de verdad''.
Lo mejor:
El trato, profesionalidad y caràcter del Dr. Diez-Caballero.
Despues de la operación he podido volver a comer bien.
El Dr. además de ser un extraordinario cirujano, infunde mucha confiança y cordialidad sin necesidad de muchas palabras.
Mi más sincero agradecimiento por toda su labor.
A mi marido lo opero de cancer de colon y le estamos muy agradecidos fue todo un ecsito es un gran profesional.
Spain,
Jun 18, 2014
Anonym
Operó a mi marido de cancer de esófago. Como profesional inmejorable, como persona mejor todavía. Tiene pasión por su profesión. Su positivismo le dió energía para luchar. Gracias, muchas gracias!
Spain,
Jun 06, 2014
Anonym
Atencion excelente mientras estube ingresado , paso todos los dias incluso los fines de semana.
Trasmision de seguridad en todo momento y con un trato humano excelente.
Muy recomendable.
Gracias por todo.
Spain,
Jun 28, 2013
Anonym
Operado de cancer de esofago y estomago el mejor cirujano que puedes encontrar como cirujano como persona un gran profesional.
Spain,
Jun 06, 2013
Anonym
Excelente cirujano. Trato inmejorable. Un gran profesional.
Spain,
Jun 03, 2013
Anonym
Excelente profesional y un experto en cirugia laparoscopica
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