More than 23 years of experience treating urologic cancer.
Dr. Mario Chammas Jr. has been a urologist for more than two decades. He holds a PhD and completed postdoctoral training at the University of São Paulo, with additional training in France and the United States. He is one of the pioneers of robotic surgery in Brazil’s Central-West region.
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“Our mission is to deliver state-of-the-art urology, focused on patient well-being and the treatment of complex conditions such as urologic cancer.”Dr. Mario Chammas Jr.
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// About
A career dedicated to state-of-the-art urology.
Born in Brasília, Dr. Mario Fernandes Chammas Jr. built an international career dedicated to urology and robotic surgery. A graduate of the Federal University of Goiás (UFG), he trained at leading institutions including the University of Miami, the University of São Paulo, UFCSPA and CHU Nancy in France, where he specialized in minimally invasive and robotic surgery.
His international education also includes a European Association of Urology fellowship in Bern, Switzerland, and a position as Assistant Professor at the University of Colorado School of Medicine. After returning to Brazil, he completed a PhD and postdoctoral fellowship in Urology at the University of São Paulo, as well as an MBA at FGV.
He currently sees patients in Brasília, combining scientific rigor, international experience and compassionate care in every appointment.
// Conditions we treat
Specialized care in general urology, focused on robotic surgery and urologic oncology.
Bladder Cancer
Kidney Cancer
Urinary Stones (Kidney Stones)
Ureteropelvic Junction Obstruction
Urinary Difficulties and Disorders
Male Infertility
Male Sexual Dysfunction and Hormonal Disorders
// Why choose Dr. Mario Chammas
Choosing who will perform robotic surgery or treat urologic cancer is one of the most important decisions a patient can make. Experience, training and proven results make all the difference.
He performed Brasília’s third robotic surgery and completed international training as a da Vinci Console Surgeon at Ohio State University in the United States in 2005.
Training at leading centers in France and the United States, a PhD and postdoctoral fellowship at the University of São Paulo, and continuous education alongside world-renowned authorities in urology.
Numerous publications in indexed medical journals, including studies coauthored with leading figures in robotic surgery such as Drs. Vipul Patel and Jacques Hubert.
Reviewer for indexed international scientific journals and full member of the Brazilian Society of Urology.
Author of pioneering robotic surgery reports, including robotic pyeloplasty in a horseshoe kidney, bladder and rectal endometriosis, and fully robotic bladder and prostate removal in patients with tetraplegia.
// How it works
Comprehensive care, from diagnosis to treatment.
STEP 1
Detailed consultation
An in-depth review of the patient’s medical history, identifying details that may influence diagnosis and treatment.
STEP 2
Complementary tests
The tests required for a complete and accurate clinical assessment are requested.
STEP 3
Diagnosis and treatment plan
The most appropriate treatment plan is defined based on scientific evidence and extensive clinical experience.
STEP 4
Ongoing follow-up
Close follow-up at every stage, from preoperative care through recovery, with a focus on patient well-being.
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23 years in urology and urologic oncology// Education, awards and recognition
World-class education, recognized internationally.
Medical Degree
Federal University of Goiás (UFG) · Medical internship at the University of Miami, Jackson Memorial Medical Center (USA)
General Surgery and Urology Residency
University of São Paulo, Ribeirão Preto · Federal University of Health Sciences of Porto Alegre (UFCSPA)
Advanced Year in Urology / Minimally Invasive Surgery
CHU Nancy, Université Henri Poincaré, France
Console Surgeon Training — da Vinci Robotic Platform
Ohio State University, USA · EAU fellowship in Bern, Switzerland, under Professor Urs Studer
Assistant Professor
University of Colorado School of Medicine, Denver, USA
PhD and Postdoctoral Fellowship in Urology
University of São Paulo, under Professor Anuar I. Mitre · MBA from Fundação Getulio Vargas (FGV)
Best of Posters Award
American Urological Association Annual Meeting, Atlanta, USA
Full Member
Brazilian Society of Urology
Associate Member
European Association of Urology (EAU) & American Urological Association (AUA)
Reviewer for international journals
Including The Journal of Endourology and Nature Clinical Practice Urology
// Scientific publications
Science and transparency, published internationally.
BJU International, 2007 — with Dr. Vipul Patel (USA)
Robotic Pyeloplasty: A Transatlantic Comparison of Techniques and Outcomes
A comparative study of 100 patients treated in the United States and France, demonstrating the effectiveness of robotic surgery for ureteropelvic junction obstruction on two continents.
Download PDFBJU International, 2006
Robotic Treatment of Ureteropelvic Junction Obstruction in a Horseshoe Kidney
One of the first studies worldwide to demonstrate the safety and feasibility of robotic pyeloplasty for a rare and complex kidney anomaly.
Download PDFCanadian Journal of Urology, 2008
Asymptomatic Bladder and Rectal Endometriosis: A Case for Robotic Surgery
A rare clinical case successfully treated with robotic surgery, enabling the patient to become pregnant two years after the procedure.
Download PDFInternational Journal of Clinical Practice, 2007 — with Dr. Vipul Patel
Robot-Assisted Radical Prostatectomy: A State-of-the-Art Review
A scientific review of advances in robotic prostatectomy for prostate cancer, coauthored with one of the world’s leading experts in the technique.
Download PDFJournal of Endourology, 2006
Totally Robotic Cystoprostatectomy in Patients with Tetraplegia
A pioneering publication on robotic surgery in complex cases of neurogenic bladder, expanding minimally invasive treatment options.
Download PDFOhio State University, 2005
International Console Surgeon Training
Certificate documenting completion of da Vinci surgical system Console Surgeon training in 2005.
Download PDFJSLS - Journal of the Society of Laparoendoscopic Surgeons, 2014
Robot-Assisted Laparoscopic Pyeloplasty: A Series of 132 Cases
One of the largest published robotic pyeloplasty series, including complex cases such as horseshoe kidneys and secondary procedures.
Download PDF// Patient testimonials
Recommended by those who have experienced our care.
// Location
A convenient, comfortable and private setting.
AddressSGAS 616 — Centro Clínico Linea Vitta
Block C — Suites 126/128 — Asa Sul
Brasília — DF, 70200-760
Office hoursMon to Fri: 8:00 AM–6:00 PM
Saturday and Sunday: Closed
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// FAQ
Frequently asked questions
With more than 20 years in urology, international da Vinci Console Surgeon training since 2005 and dozens of scientific publications, Dr. Mario combines extensive practical experience with international academic recognition.
Robotic surgery is a minimally invasive technique that may be associated with less bleeding, faster recovery and greater procedural precision. Dr. Mario has extensive published experience in both straightforward and complex cases.
The appointment includes a detailed review of the patient’s medical history and may include requests for additional tests to support an accurate assessment before treatment is defined.
In-person appointments take place in Brasília, Federal District. Consultations and telehealth appointments are also available to patients throughout Brazil and abroad.
Click any appointment button on this page and send us a message on WhatsApp. Our team will contact you to confirm the most convenient time.
// Schedule your appointment
Choose internationally recognized experience for your urologic care.
More than 20 years in urology, training across three continents and one of the pioneers of robotic surgery in Brazil’s Central-West region.
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