Gastroenterologist in Tucson, AZ

Dr. Miguel A. Arenas is board certified in Gastroenterology and Internal Medicine. Please see below to learn more about his specialty, medical education, and professional affiliations.  Jackie Camargo, FNP joined our practice in 2014, you can learn more about her by reading below.

Dr. Miguel A Arenas


Miguel A. Arenas, MD, Gastroenterologist

Dr. Arenas is the founding member of MGSC. He is native from Peru. Dr Arenas received his medical degree from the San Agustin National University in Arequipa, Peru. Graduating with honors, he went on to pursue his medical training in the United States. After medical school he completed his internship and residency in Internal Medicine at the THMEP-University of Arizona program. Wanting to further specialize, he then completed a fellowship in Gastroenterology at the University of Arizona in 2007. He is board certified in Internal Medicine and Gastroenterology. He is married to a Tucson native Katie Belk-Arenas and they have two children.  In his spare time, Dr Arenas enjoys playing the guitar and mandolin, fishing and other outdoor sports. He is active in community events and his son’s schools.

Dr. Arenas performs Endoscopic Ultrasounds (EUS) which allows him obtain images and information about the digestive tract and the surrounding tissue and organs, including the lungs.

Currently accepting new patients

Principal specialty: Gastroenterology
Secondary specialty: Internal Medicine
Residency: 2001-2004
Fellowship: 2007-2007
Academic appointmets: clinical instructor THMEP-UA program
Board certification: Internal medicine 2004, Gastroenterology 2008
In practice since 2007
American College of Gastroenterology
American Society of Gastrointestinal Endoscopy
American College of Physicians
American Medical Association
Honors Patient’s Choice Award 2008
Languages available: Spanish

Jackie Camargo, FNP


Jackie Camargo is a valued member of Mesquite Gastroenterology & Surgery Center.  As a Tucson native, she has over 8 years of nursing experience in the acute hospital environments at Carondelet and TMC. She earned her MSN and practitioner certification through the University of Phoenix.

After graduating with honors, Mrs. Camargo became nationally certified as a Family Nurse Practitioner through the American Academy of Nurse Practitioners.  She has a passion for gastroenterology and sees the need for more practitioners in the specialty.

Jackie Camargo has three children, twins, Dominic and Arianna, and their youngest son, Pablo.  In her spare time, Ms. Camargo enjoys running and watching her children play baseball and volleyball. She is very involved in family activities.

Career Highlights

  • Specialties: Family Nurse Practitioner
  • Graduated: 2013
  • Board Certification: AANP certified
  • Began Practicing in 2014
  • Affiliations:
    • Sigma Theta Tau- National Honor Society
    • American Academy of Nurse Practitioners