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Fermin Fontan, MD

Bariatric Surgery

Fermin Fontan, MD photo
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Memorial Weight Loss Center of New Mexico

2100 S. Triviz, Ste F

Las Cruces, NM 88001

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Phone: 575.556.1849

Fax: 575.532.2030

Memorial Heartburn Center

2100 S Triviz Dr, Suite G

Las Cruces, NM 88001

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About Fermin Fontan

Dr. Fontan is one of the physicians at the Memorial Heartburn Center and Weight Loss Center. He provides solutions to metabolic, weight loss and gastroesophageal reflux diseases for the people of New Mexico. Born and raised in Argentina, Dr. Fontan speaks English and Spanish fluently bringing a bilingual treatment option for his patients.

Dr. Fontan studied medicine at Universidad de Buenos Aires in Buenos Aires in Argentina. He completed his residency at Johns Hopkins Hospital in Baltimore, MD and at St. Elizabeth’s Medical Center in Boston, MA. He completed his fellowship in Minimally Invasive Bariatric Surgery at the University of Hospital and Clinics in Iowa City, Iowa.

Dr. Fontan is board-certified in General Surgery specializing in metabolic and weight loss surgery. He performs laparoscopic gastric adjustable banding, sleeve gastrectomy, Roux-en-Y gastric bypass and duodenal switch bariatric procedures. In addition to his weight loss practice, he also specializes in relief for heartburn and gastroesophageal reflux disease (GERD). He performs procedures including hiatal hernia repair, Nissen fundoplication, partial fundoplication such as Toupet and Dor fundoplication, LINX procedure, TIF procedure and Stretta procedure.

When asked about what kind of patient care Dr. Fontan brings to the Memorial team, he explains that his passion for practicing medicine is driven by the long-term relationships he develops with his patients while treating them. Dr. Fontan states, “our practice is an interdisciplinary group of highly motivated professionals to tailor therapy to each individual in order to achieve the best possible outcome.” When not at work, Dr. Fontan likes to paint, hike, and spend time with his family.

Languages Spoken

English, Spanish


Voted one of the Best Surgeons in the 2022 Bulletin's Best of the Mesilla Valley

Patient Reviews

4.7 out of 5
60 ratings, 7 reviews
Likelihood to recommend provider
Clear communication and explanations by provider
Provider listened and respected patient
Provider discussed & involved patient in treatment decisions
Provider spent enough time with patient
Provider knew important medical history
Keep up the good work!
Provided lots of information, honest and listened well
Love that he's very thorough and listens to your concerns. He has a great personality and shows compassion and is passionate about his practice. I will definitely be recommending him to others!
Very personable and thorough
I’m so happy to have meet him we need more Drs. Like him
I like having explanations.