Dr. Marcos Castañeda
Board-certified bariatric specialist focused on weight-loss surgery — gastric sleeve, gastric bypass, and revisional bariatric procedures — with thousands of successful cases. Dr. Castañeda leads the bariatric program at Allure RT MX in Tijuana, Mexico, 30 minutes from San Diego.
Trusted medical insights
by our healthcare professionals
Dr. Castañeda's clinical background, surgical philosophy, and the procedures he leads at Allure RT MX.
Dr. Castañeda leads the bariatric program for Allure RT MX patients. His practice centers on gastric sleeve, gastric bypass, and revisional bariatric surgery, with a long-term, education-first approach that pairs surgery with nutrition and follow-up support so patients sustain their results well past month one.
From consultation to lifelong follow-up
Dr. Castañeda's practice is built around long arcs — not just the day of surgery, but the months of nutrition coaching and follow-up that turn a procedure into a lasting result.
Inside the bariatric program
A short walkthrough of Dr. Castañeda's clinic, surgical prep area, and operating room with his coordinator and OR team.
3 months later — a real transformation
Pre-op preparation through a follow-up visit three months after gastric sleeve — one of Dr. Castañeda's patient cases.
Every bariatric patient at Allure RT MX is followed by Dr. Castañeda personally — from the first virtual consultation through the day of surgery and the structured 12-month follow-up that comes after.
Recent weight-loss cases
A small selection of bariatric cases led by Dr. Castañeda. Patient consent was confirmed before publication; results vary by anatomy, comorbidities, and post-operative nutrition follow-through.
Photos are unretouched documentation from Dr. Castañeda's patient archive, used here with consent. Individual results vary; weight-loss outcomes depend on the patient's starting BMI, comorbidities, and adherence to the post-operative nutrition and follow-up plan.
My working process
A concierge-led path from your first message through 12 months of nutrition follow-up — coordinated end-to-end so you only travel for the work that matters.
Free virtual consultation with your bilingual coordinator and Dr. Castañeda — medical history, BMI, comorbidities, and the right procedure for your case.
A written surgical plan plus your pre-op diet, recovery timeline, and 12-month nutrition program — including what is and isn't included — before you commit.
Ground transport, in-person pre-op review, overnight monitoring, and the same surgical team from consultation through anesthesia and discharge.
Structured nutrition check-ins after you fly home, with direct messaging access to your coordinator and Dr. Castañeda for any questions during the year ahead.
Anonymized patient feedback themed around the procedures Dr. Castañeda leads.
