Dr. Gilberto Ungson
SURGEON PROFILE

Dr. Gilberto Ungson

Hermosillo / Tijuana

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About Dr. Gilberto Ungson

Sources checked

Dr. Gilberto Ungson Beltrán’s current practice website describes bariatric and metabolic surgery at Hospital CIMA Hermosillo. CORE Medical in Tijuana also publishes a surgeon profile for him. These are distinct practice references, so patients should confirm where a proposed operation would actually take place.

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Full profile

The original article is preserved below. Use the source-checked overview and affiliation section for updates; older prices, team assignments and credentials may have changed.

Gilberto UngsonDr. Gilberto Ungson is a highly experienced surgeon who has been operating since 1991 and has acquired a subspecialty, in addition to his bariatric weight loss focus, in digestive track surgeries as well. Dr. Gilberto Ungson received his medical degree and education at the West Medical Center of IMSS, Guadalajara, Jalisco in 1990.

Dr. Gilberto Ungson is a bariatric surgeon of Mexicali Bariatric Center, and works closely with Dr. Rodolfo Wilhelmy.

Update: April 2020 – Dr. Ungson is still listed on Mexicali Bariatric Center websites but doesn’t look active. Yet on ObesityHelp Dr. Gilberto Ungson has recent reviews as of February 2020.

Cannot find Active Board Certification for General Surgery for Dr. Ungson
Cannot find Active Board Certification for General Surgery for Dr. Ungson

Dr. Gilberto Ungson then went on to enjoy more specialized training from renowned medical centers participating in studies and programs at the following institutions: the University of Southern California in Los Angeles, California, USA, the prestigious Tucson Medical Center’s Minimally Invasive Center of Surgery in Tucson, Arizona, USA and the Virgen de los Lirios Hospital, Alcoy in Alicante, Spain.

While traveling, Dr. Gilberto Ungson perfected his skills in such subjects as Lap-Banding, minimally invasive surgery and advanced laparoscopic techniques. Dr. Gilberto Ungson is also a member of many professional organizations including: the Mexican Association of General Surgery, A.C., the International Federation of Surgery of Obesity or (IFSO), the Mexican Society of Obesity Surgery A.C., the Professional Association of Surgeons of Sonora, AC, the Sonora Medical Federation, A.C. and the Hermosillo Medical Professional Association, AC.. The extensive experience Dr. Gilberto Ungson brings to his clients is highlighted by his particular expertise in a less commonly performed surgery: the Duodenal Switch.

To date, Dr. Gilberto Ungson is considered to be the most experienced bariatric surgeon in Mexico in implementing the more rare Duodenal Switch weight loss procedure. Also, Dr. Gilberto Ungson is qualified to perform the following more popular surgical procedures: Gastric Bypass, Gastric Sleeve, Gastric Lap-Band, and Revision Weight Loss Surgery. Dr. Gilberto Ungson’s patients also seem to universally concur that he is a great doctor, with one woman and former Gastric Sleeve Revision patient commenting, “Thank you Dr. Ungson, Mexicali Bariatric, and the staff of Almater Hospital for a terrific experience!”

Pricing

Dr. Gilberto Ungson pricing on MexicaliBariatric.com is not widely available.

Contact

Address: Madero 1119-2, Colonia Nueva Mexicali, BC 21100, México

Phone: +52 661 850 1797 |1-888-344-3916

Website: http://www.mexicalibariatric.com/dr-gilberto-ungson/

Public sources checked October 30, 2026. Source checking is not credential verification or an endorsement.

Centers & affiliations

Current affiliations

No current affiliations have been confirmed for this profile.

Previously affiliated with

No previous affiliations have been confirmed for this profile.

Published facilities & practice locations

  • Hospital CIMA Hermosillo
    Hospital / surgical facility · Currently listed by source

    Listed by the provider; confirm the facility assigned to your procedure.

    Read facility source ↗ · Checked 2026-10-30

Current program and/or facility information is supported by the cited provider pages. Confirm the assignment for the planned procedure.

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Phone & location

Dr. Ungson — Hospital CIMA office

+52 662-217-5666

+52 662-259-0997

Av. Paseo Río San Miguel 35, Proyecto Río Sonora, Hermosillo, Sonora, Mexico
Published contact source ↗ · Checked 2026-10-30

Program coordination numbers may serve several surgeons. Confirm the appointment location; a published office address is not necessarily the operating hospital.

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Patient reviews

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Submitted directly to MexicoGastricSleeve.org. Original dates and ratings are retained. Patient identity and treatment are not independently verified.

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Reviews elsewhere

Cited sources

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ObesityHelpcatremacias — historical review mentioning Dr. Ungson

The reviewer praises the facility’s cleanliness and Dr. Ungson’s reassuring manner, while also reporting one unfriendly nurse near the end of the stay. This older account does not establish a current affiliation.

Read the original source ↗Checked October 30, 2026

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Sources & corrections

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