Dr. Oscar A Alvarez MD Gastroenterologist

Dr. Oscar Alvarez is a gastroenterologist in Edinburg, Texas and is affiliated with Rio Grande Regional Hospital. He received his medical degree from Institute of Health Sciences Medellin Faculty of Medicine and has been in practice for 31 years. He is one of 8 doctors at Rio Grande Regional Hospital who specialize in Gastroenterology.

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Office Location

See Contact Information

Specialty & Clinical Interests

Gastroenterologist: General Gastroenterology

Hospital Affiliation

Rio Grande Regional Hospital

Education & Medical Training

University of Texas Health Science Center at San Antonio
Residency, Internal Medicine, 1990 - 1993

University of Texas Health Science Center at San Antonio
Fellowship, Gastroenterology, 1993 - 1997

Institute of Health Sciences Medellin Faculty of Medicine
Class of 1983

Certifications & Licensure

American Board of Internal Medicine
Certified in Gastroenterology

American Board of Internal Medicine
Certified in Internal Medicine

TX State Medical License
Active through 2013

Publications & Presentations

Acute duodenal obstruction after percutaneous placement of metallic biliary stents: peroral treatment with enteral stents.
Lopera, J. E., Alvarez, O. A., Perdigao, J., Castañeda-Zuñiga, W.

Insurances Accepted

  • Aetna Choice POS II
  • BCBS Blue Card PPO
  • BCBS Texas BlueChoice
  • CIGNA Open Access
  • CIGNA PPO
  • First Health PPO
  • Great West PPO
  • Humana ChoiceCare Network PPO
  • MagnaCare PPO
  • Multiplan PHCS PPO
  • Multiplan PPO
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO
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