Yes, there are alot of good mexican doctors, but we have to be very careful with who to go, the most experienced doctors in Mexico are:
Dr. Ortiz - Tijuana - Lap Band Surgery in Mexico - Dr. Ariel Ortiz at the Obesity Control Center
Dr. Ramos Kelly - Tijuana - http://www.wlsclinic.com/
Dr. Corvala - Tijuana - Lap Band Low Cost Surgery | Dr. Juan A. Lopez Corvala | Lap Band Surgery | INAMED Certified Surgeon
Dr. Aceves - Mexicali - Untitled Document
Dr. Rodriguez - Monterrey - Lap Band, Lap Band Surgery, Lap Band Mexico
you can also use this as a reference on how to choose a mexican doctor:
http://www.lapbandtalk.com/f11/researching-mexican-lap-band-doctors-101-a-66635/