Gastroenterologist Tucson, AZ - Mesquite Gastroenterology and Surgery Center

At Mesquite Gastroenterology and Surgery Center our priority is to deliver quality care to informed patients in a comfortable and convenient setting.  Mesquite Gastroenterology and Surgery Center (MGSC) was founded in 2009 by Dr. Miguel A Arenas. MGSC is a medical office and outpatient procedure facility, built to provide our patients the latest technology in endoscopy and the highest level of service. Having an on-site surgery center enables us to perform these outpatient procedures in the comfort and security of our onsite ambulatory surgery center. Our nurses have extensive gastroenterology experience, and along with the rest of our staff, we offer the most convenient and comfortable care in the city.

Quality Care: When you have digestive problems, you need to turn to a gastroenterologist who listens and responds… an experienced doctor who knows the field and can effectively diagnose and treat your needs…a friendly physician who counsels you on the best ways to maintain and improve your health. Our physician and Nurse Practitioner meet all t hese criteria. Plus, you benefit from a dedicated team of trained gastroenterology professionals who give you the individualized attention you deserve.

Informed Patients: Mesquite Gastroenterology and Surgery Center believes that informed patients are better prepared to make decisions regarding their health and well being. That is why we’ve included an extensive section on the website covering the full array of topics associated with gastroenterology and diagnoses and treatments for digestive problems. We encourage you to look through these pages whenever you have an interest or concern about your digestive health.

Comfortable, Convenient Setting: The best care in the world doesn’t mean anything if you can’t access it. At Mesquite Gastroenterology and Surgery Center, we strive to make our Tucson office as efficient and convenient as possible. Included in these web pages is information about Dr. Miguel Arenas' office location, maps, directions, hours, insurance policies and appointment scheduling.

Our Services: As a stomach specialist, we offer a full array of services to help you maintain a healthy digestive system. You can read more on this page about specific services. Services we offer include:

We hope you find our website useful and invite you to contact us with questions at any time. If you have a complaint or concern about any aspect of your care at our facility, we encourage you to contact our office immediately to let us know.

Disclaimer:  Miguel Arenas, MD and its shareholders, have an ownership interest in Mesquite Surgery Center, LLC.

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Mesquite Gastroenterology and Surgery Center


8:00 am-3:00 pm


8:00 am-3:00 pm


8:00 am-3:00 pm


8:00 am-3:00 pm


8:00 am-12:00 pm






  • "Jackie Camargo is an individual who truly loves what she does and that is evident from the moment you walk through her door. She is warm, caring, good listener and a truly excellent provider. I would recommend her to all of my family and friends."
  • "Jackie is amazing. Very thorough and such a pleasure!! My results were exactly what I was looking for and I would recommend her highly to anyone."
  • "I had literally tried EVERYTHING for weight loss with no success until I met Jackie. Her clear and easy plan helped me drop 25 lbs in 8 weeks. I would recommend her to anyone who is serious about making a change and needs the proper guidance and accountability."
  • "I love Dr. Arenas and his staff. I had two endoscopic procedures and all was smooth. Good follow up . Professional and highly recommend. Sandra Voorhis"
    Sandra V
  • "Jackie is the best. She is the most supportive healthcare provider I have ever dealt with. With her help, I lost just under 60 pounds and have learned to keep it off. She’s always a text or call away for support or questions. I would recommend her services to anyone that wants real, long lasting weight loss support."