Dr. Guillermo Portillo is a dual fellowship trained surgeon with decades of experience. Dr. Portillo is bilingual in English and Spanish, and has practiced medicine in South Texas, New York and Mexico.
Dr. Guillermo Portillo Ramila did his fellowship from Bariatric Surgery and Laparoscopic/Advanced Gastrointestinal Surgery, University of Rochester Medical Center, Highland Hospital, Rochester, NY; Advanced Laparoscopic and Minimally Invasive Surgery (research fellowship), Texas Endosurgery Institute, San Antonio.
Review for Dr. Guillermo Portillo Ramila, MD
Read this Next
Calibrate GLP Reviews: GLP-1
Calibrate GLP is a prescriber of weight loss medications. They only prescribe GLP-1s. But they do so with help....
Why Am I Not Losing Weight on GLP-1? 7 Hidden Reasons for Zero Progress
Expectations are high when starting a GLP-1 medication such as semaglutide or tirzepatide, and for good reason. News reports...
No Weight loss on Semaglutide? What to expect at 3 weeks, 4 weeks, 6 weeks, and 2 months
Semaglutide can seem a “slow burn” particularly during weeks 1-6/8 because most patients are still on dose escalation (gradually...
GLP-1 Dosing Calculator – Dose Conversion
The GLP-1 Dosing Calculator helps users convert a prescribed dose in mg into mL and insulin-syringe units based on...




