Dr. Miguel Montalvo
As a specialized Tijuana bariatric surgeon, Dr. Miguel Montalvo has received exceptional education and training. Dr. Montalvo, also known as “the Sleeve Machine”, has cutting-edge surgery experience having performed around 2,000 successful bariatric surgeries. He worked as one of the head surgeons for the recently closed Mexico weight loss surgery provider, “A Lighter Me (ALM)”.
About Dr. Miguel Montalvo
Dr. Miguel Angel Montalvo Lucero is a bariatric surgeon practicing in Tijuana, Mexico, and experienced in all bariatric procedures, including Vertical Sleeve Gastrectomy, Roux-En-Y Gastric Bypass Surgery, Mini Gastric Bypass, and a variety of high-level Revision Surgeries. Dr. Miguel Montalvo received his medical training from the distinguished and widely-known Faculty of Medicine of the Baja California State University.

Bariatric Surgeries Performed
Dr. Montalvo is hard-working, friendly, and experienced when it comes to his specialty, Gastric Sleeve Surgery. He developed his skills working with Dr. Elias Ortiz at A Lighter Me before disbanding. Since then, he operates entirely with MBC to provide exceptional care and world-class results.

Dr. Montalvo’s Education and Expertise
He is certified by the Mexican Council of General Surgery and an active member of the International Federation for the Surgery of Obesity and Metabolic Disorders since 2016; the Mexican Society for Metabolic and Bariatric Surgery (MSMBS) since 2016 as well as General Surgery Mexican Association.
Dr. Montalvo’s resume speaks volumes, not to mention his portfolio of 5-star reviews and patient testimonials and videos.
Why Choose Miguel Montalvo, MD?
As a young laparoscopic surgeon, Montalvo is the up-and-coming Tijuana bariatric doctor in Tijuana. His surprisingly low complication rates reassure you that you’re in good hands. Dr. Miguel Montalvo will discuss options with his patients prior to surgery to make sure they know exactly what to expect moving forward. His surgical team is well equipped to care for each patient every step of the way.
Training & Memberships
Dr. Montalvo has numerous awards and certifications that he has achieved as a surgeon.

Reviews and Ratings
Experienced in gastric sleeve and lap-band revision surgeries, Dr. Montalvo has successfully helped thousands of patients through his talent, skill, and care.

“Almost 5 months update!
Sleeve by Dr. Montalvo at MBC in February 2021
SW:248 CW:175
Size 18/20 to 12
Made many mistakes, many stalls, got sick from trying things too soon, but SO happy with my progress so far! Thanks to MBC and Dr.Montalvo!!”

“BEST DECISION EVER!!!!❤️❤️
Thank you, Dr. Montalvo and MBC!
Sleeved 7/2020 @ 190lbs
CW 130lbs”

“Thank you, Dr. Montalvo and MBC! I’m 3 months post-op, and I couldn’t be happier with my progress. #lifechanger I am starting to feel like myself again.
Sw 217
Cw 176”

Medical Experience
Patient Pictures with Dr. Miguel Montalvo
The physician surgeon, Montalvo, is very personable and makes patients feel comfortable with his calm demeanor and profound knowledge of the industry. He takes his time to address any and all questions and concerns. His surgical team of medical specialists goes above and beyond so that you feel cared for and tended to during your stay.
Dr. Miguel Montalvo’s Surgical Team

Dr. Miguel Diaz, MD – Assistant Surgeon
Dr. Miguel Diaz is an Assistant Surgeon for Dr. Montalvo’s lead bariatric surgical team. He is highly trained and well established in Tijuana, working for bariatric agents like A Lighter Me before they shut down. Dr. Miguel Angel Diaz Mariscal, MD is a FACS (Fellow, American College of Surgeons) attendee and obtained his general surgery from prestigious IMSS.

Dr. Nelson Varas, MD – Anesthesiologist
Dr. Nelson Varas is a highly qualified Tijuana-based Anesthesiologist who has practiced medicine for over a decade. While operating with Dr. Miguel Montalvo, he has developed high-caliber skills in patient care and safety standards. Nelson Gonzalo Varas Ravines, M.D is also trained and educated with IMSS Hospital General Regional, which is where many top-level doctors and specialists receive a degree in general surgery.

Dr. Bertin Angeles – Assistant Surgeon
Dr. Bertin Angeles is another A Lighter Me associate who has grown in education and training over his career on Miguel Montalvo, MD surgical team. As a seasoned professional, Dr. Angeles has the expertise and skill to become a surgeon one day with his own bariatric team.

Dr. Esperanza Ruelas – Surgical Nurse
Dr. Esperanza Ruelas is a patient-focused nurse who is attentive and ethical with top-notch care for every single patient. She advocates for the patient’s needs and is plays an important role in pre-surgery, during surgery, and post-surgery. With her compassion and expertise, Dr. Ruelas makes bariatric patients feel cared for throughout the entire surgical process with Dr. Miguel Montalvo.