Francisco Javier Sainz Hernandez, Internal Medicine Specialist - Cancun, Mexico
About - Francisco Javier Sainz Hernandez
Internal Medicine Specialist
Location: Cancun, Mexico
Working Clinic: YeahSmile
I am an internist with over 15 years of experience in comprehensive patient care. I have a strong foundation in internal medicine, with a particular emphasis on intensive care and the management of chronic diseases.
I specialize in a wide range of medical procedures, including managing critically ill patients in intensive care units and coordinating care in hospitals. Whether my patients require emergency care or management of complex chronic conditions, I have the skills and experience necessary to deliver outstanding results.
Education and Training
• Certification from the Mexican Board of Internal Medicine
Valid from January 20th, 2020 – January 20th, 2025
Certificate No. #00752-R20
• Diploma in Hospital Administration and Health Services
Instituto Politecnico Nacional, 2015
• Residency in Internal Medicine
Universidad de Guadalajara, 2006 - 2010
Hospital Civil “Dr. Juan I. Menchaca” (Civil Hospital)
Professional License #6745625
• Medical Surgeon and Obstetrician
Universidad de Guadalajara, 2000 – 2004
Centro Universitario de Ciencias de la Salud (Health Sciences University Center) Professional License #5192385
Specialization
As an Internal Medicine Specialist, Dr. Sainz Hernandez is trained to diagnose and treat a variety of complex medical conditions affecting adults. He has a particular interest in preventive medicine, chronic disease management, and providing holistic care to his patients.
Skills
• Ability to make accurate and detailed diagnoses
• Development and adjustment of personalized treatment plans
• Mastery of pharmacology and current medical therapies
• Lead and coordinate medical teams in hospital settings
Work Experience
Internist
YeahSmile, Cancun, 2021 - Present
• Conduct detailed preoperative evaluations of patients undergoing dental procedures, identifying and mitigating potential medical risks.
• Collaborate closely with dentists and other specialists to plan and coordinate patient medical care.
• Monitor patients' overall health before, during, and after dental procedures to ensure safe and efficient recovery.
• Develop and adjust personalized treatment plans based on individual medical conditions and preoperative evaluation results.
General Director
Hospital Medica Cancun, 2024 - Present
• Oversee all hospital operations, ensuring the highest patient care and safety standards.
Medical Deputy Director
Hope4Cancer Cancun, 2020 - Present
• Coordinate clinical staff and ensure compliance with health regulations and standards.
• Implement and monitor quality improvement programs to optimize patient outcomes.
Medical Director
Hospital Victoria Medical Cancun (Hospital Azura), 2014
• Direct all clinical operations, oversee patient care and manage hospital administration.
• Develop protocols and procedures to ensure high-quality medical services.
Attending Physician
Hospital Victoria Medical Cancun (Hospital Azura), 2013
• Intensive Care Unit. Coordinate with a multidisciplinary team to develop and implement individualized treatment plans.
Attending Physician
Hospital Galenia Cancun, 2010
• Intensive Care Unit. Monitor and manage patient progress, adjusting treatments as necessary.
Attending Physician
Hospital General Regional del IMSS No. 17 Cancun, 2010 - Present
• Internal Medicine and Intensive Care Unit. Provide comprehensive care in internal medicine.
Book an Appointment
If you are looking for a compassionate and skilled Internal Medicine Specialist in Cancun, Mexico, Dr. Francisco Javier Sainz Hernandez is here to help. Schedule an appointment at YeahSmile today to receive personalized and expert care for your health needs.
YeahSmile reviews
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Lang M
I had a wonderful experience at the clinic! Dr. Miller, Andre, and the entire team were incredibly professional and friendly, and they made me feel at ease throughout my visit. Their care and attention to detail are truly appreciated. Highly recommend them to anyone looking for excellent dental care!
PlacidWay Mar 06 2025 -
James E L
What a wonderful experience I had with Yeahsmile office in Cancun. I'm from Chicago and heard about Dr. Miller's office and decided to call. I was so impressed with him and the entire staff on the phone that I decided to visit and see if he was as good as I thought. Dr. Miller's professionalism, expertise and care for me his patient was much better than I had every expected.
PlacidWay Feb 25 2025
Doctor Miller is not only highly skilled but also very compassionate,ensureing that I felt comfortable and that I was well informed about everything. The staff was very freindly and helpful in making arrangements for my hotel accomodiations and transportation. They ensured I felt completely safe during my entire 12 day stay.
Not only did I get fantastic dental work done but I also enjoyed a mini vacation and saved MUCH money for everything.
I wholeheartdely recomment Dr. Miller to anyone seeking exceptional dental care.
JIM -
Nova G
Good Morning Team Yea Smile! Just wanted to send a quick message thanking Dr. Miller and everyone at the office for your continued excellent care! Both Dad and I are doing well. I feel great and I am in love with my smile! I’ve been wearing my guard every night for my TMJ, it’s actually pretty comfortable. I hope everyone is doing well. Thank you so much again for all of the care and love XoN. -Nova
PlacidWay Feb 27 2025 -
Nira S
My name is Nira, and I’m from Canada. I came to Cancun for dental implant treatment with YeahSmile. During my first visit, I had implants placed for two teeth. The team was incredibly professional, and before my trip, they provided excellent care and gave me all the information I needed to ensure everything went smoothly.
PlacidWay Jan 02 2025
On my second visit, I had the crowns placed over my implants, completing my treatment. I’m very satisfied with the service I received.
Today was my last day here. I had to visit twice, and both times were great experiences! -
Michael L J
I'm a professor at St. Bonaventure University in New York and also here in Cancun. This is my second time with Dr. Miller and his team, and it’s because they did such a phenomenal job the first time. This time, they repaired nine of my teeth, and as always, the equipment and technology were top-notch.
PlacidWay Dec 16 2024
The first thing you should know is that the people here are true professionals. Dr. Miller is known as the legendary "painless dentist." Even the injection of Novocaine is completely painless—they have a special technique that makes the typically dreaded injection feel effortless.
The work they do is incredibly professional and of the highest quality. The clinic uses cutting-edge technology, some of the most advanced I’ve seen anywhere in the world—and I’ve traveled extensively. On top of that, the entire staff is remarkably friendly, kind, and helpful.
I can’t recommend this place enough. If you need major dental work, this is the place to have it done. Plus, you get the added bonus of being in Cancun, which isn’t a bad place to be while undergoing dental care.
I highly recommend it—if you need major dental work, give it a try. You won’t be disappointed. -
Craig S
This was the absolute best dental treatment and experience I have had and stands head and shoulders above any treatment I have received in Canada in regards to the service, experience, quality of work, and cost. Not only this, but the staff were very efficient, informative, and friendly right from greeting you to getting to work within five minutes of arriving versus visiting a dentist in Canada who has you sit in the waiting room for 20 to 40 minutes before moving you to another room waiting for the dentist for another 15 to 30 minutes before starting the assembly line dental work. Neo Clinic offers you water, tea, or coffee, then within 5 to 10 minutes have you being evaluated, having x-rays taken, mapping out a plan of procedure and then explaining why they are recommending what they are doing and possible alternatives that you and the dentist can discuss.
PlacidWay Feb 25 2024
In terms of the office, it was modern and very clean, and even a large TV on the ceiling you can watch while your procedures are being done. I also felt very safe in the area of Cancun where the office is located, they even have a staff member to help you get the office or pick you up and drop you off if needed at no additional cost.
The treatment I had completed was two root canals, some fillings, and a crown repair that had failed from previous work completed in Canada, to add to this the dentist explained what was going on and let me know that she would be using the best filling materials available to get a great colour match and a long-lasting result and all of this at a cost that is at least 50 to 60% less than what I would get in Canada.
I was so happy with the Dentists and all the other support staff that I asked for six business cards that I will be giving to any of my friends who are in need of some dental work. I have in fact already recommended Neo Clinic to three people since returning from my visit to Neo Clinic in December 2023 and will continue to do so.
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