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Transforming Lives Through Faith, Integrity, and Surgical Excellence.

Meet Dr. Sandy Martinez — A Double-Board Certified Bariatric Surgeon Redefining Medical Tourism in Tijuana.

Female healthcare worker in a red surgical cap and blue gown wearing a face mask, looking attentively at a colleague.

A Calling to Heal and Transform

For Dr. Sandy Martinez, bariatric surgery is not an industry; it is a profound calling. Grounded deeply in her Christian faith, her medical philosophy mirrors a higher purpose: just as Jesus came to transform lives, her life’s work is dedicated to providing physical and emotional transformation for those struggling with obesity.

“Whatever you do, work at it with all your heart, as working for the Lord, not for human masters.” — Colossians 3:23

This verse is the cornerstone of her daily practice. Dr. Sandy operates under the strict conviction that every single patient is a unique life deserving of absolute compassion and world-class care. She vehemently rejects the "hospital factory" mindset prevalent in medical tourism. For Dr. Sandy, transforming one single life with perfection and grace is just as important as transforming twenty. She measures her success not in volume, but in the restored health and happiness of every individual she touches.

Dr. Sandy Martinez, leading bariatric surgeon in Tijuana, teaching local school children about the medical field using colorful balloons.

Uncompromising Surgical Excellence

Compassion must be backed by absolute skill. According to the American Society for Metabolic and Bariatric Surgery (ASMBS), if there were a phrase to describe Dr. Sandy, it would be "perfection obsessed." Her mindset is 100% driven by surgical technique and doing things by the book. She does not care about speed or glory; she cares about consistency, dependability, and flawless execution every single time.

The Expertise You Can Trust:

  • Double-Board Certified General & Bariatric Surgery Specialist.
  • SRC Master Surgeon in Metabolic and Bariatric Surgery.
  • 2,500+ Bariatric Procedures safely performed (Gastric Sleeve, Bypass, Duodenal Switch).
  • 4,500+ Hours of advanced laparoscopic training.
  • Active Member of the ASMBS, IFSO, the American College of Surgeons (FACS) and other five.
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International Certifications
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Dr. Sandy Martinez, top bariatric surgeon in Tijuana, wearing a blue suit alongside her medical certifications, including the SRC Master Surgeon in Metabolic & Bariatric Surgery badge.
Two medical professionals wearing surgical caps, masks, and gowns in a clinical setting.
About Dr Sandy

Education & Professional Background

Specialized Fellowship in Bariatric and Metabolic Surgery, with advanced training in Duodenal Switch techniques. General Surgery Residency and Medical Degree (MD) from Universidad Autónoma de Baja California (UABC).

Elite Certifications & Honors
Fellow of the American College of Surgeons (FACS): Recognition for meeting high international standards in education, qualifications, and ethics.
Master Surgeon: Accredited by the Surgical Review Corporation (SRC).
Board Certified Bariatric Surgeon: Recognized by the Mexican Council of Bariatric and Metabolic Surgery (CMCOEM).
Board Certified General Surgeon: Recognized by the Mexican Council of General Surgery (CMCG).

International Memberships
ASMBS: American Society for Metabolic and Bariatric Surgery.
IFSO: International Federation for the Surgery of Obesity and Metabolic Disorders.
AMCE: Mexican Association of Endoscopic Surgery.
AMCG: Mexican Association of General Surgery.
CCBEMBC: College of Bariatric and Metabolic Surgeons of Baja California.

The "No Middle-Man" Revolution: Ethical & Accessible Care

Dr. Sandy Martinez, a bariatric surgeon in blue scrubs, speaking in front of a camera with a medical team standing behind her.
“Do not withhold good from those to whom it is due, when it is in your power to do it.” — Proverbs 3:27
What does this mean for you?
  • Direct Doctor-to-Patient Care: You are communicating directly with the clinic that cares for you.
  • Complete Supply Chain Control: By managing every aspect of the process, Dr. Sandy ensures zero hidden fees, zero middle-man commissions, and absolutely no quality compromises.
  • Fair Pricing: You pay a fair, transparent price for world-class medical excellence, allowing more people to achieve the healthy lives they deserve.
Illustration contrasting 'No Agency' Revolution with Industry Standard: left side shows a patient frustrated with agency fees and a calculator-headed man holding money, right side shows happy patient shaking hands with a nurse representing ethical, accessible care without middlemen.

Dr. Sandy believes that life-saving bariatric surgery should be accessible, not gatekept by corporate greed. She recognized a critical flaw in the medical tourism industry: facilitators and "agencies" that mark up the cost of surgery by 20% to 40% just for acting as a middle-man. Dr. Sandy firmly stands against large corporations that treat patients as commodities. To achieve her vision of making transformations truly accessible, she pioneered a "No Agency" direct-to-patient model at Cornerstone Bariatrics.

Expert bariatric care in Tijuana with personalized treatment, patient safety, and long-term weight loss support.

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©️ 2026 Dr. Sandy Martinez / Cornerstone Bariatrics LLC. All Rights Reserved.