Silvia K. CastilloLuna , MD

Gastroenterology and Internal Medicine


Dr. Rodriguez is a graduate of the University of Miami; he is the valedictorian from his medical school class of 1986. He completed specialty training in Internal Medicine and subspecialty training in Gastroenterology at the Texas A & M Health Science Center. Dr. Rodriguez is Board Certified by the American Board of Internal Medicine in both Internal Medicine and Gastroenterology. He has served on numerous boards and is a member of numerous medical specialty organizations. Dr. Rodriguez has been involved in research with many publications in peer-reviewed journals. He is on the faculty at the medical school at The University of Texas Health Science Center in San Antonio. He has presented papers and lectured to his peers at national meetings. Dr. Rodriguez has attained the distinction of being advanced to Fellow in the American College of Physicians (FACP). Dr. Rodriguez has been providing expert medical and gastroenterological care to patients of the Rio Grande Valley since 1992. In January of 2008, Dr. Rodriguez relocated his practice and is now at PEN, in Mission, TX. He is an expert in digestive diseases and he has a special interest in nutrition. Dr. Rodriguez is very dedicated to his field of expertise and is passionate about treating his patients.

Gender: Female

Years in Practice: 26 Years

Languages Spoken: English and Spanish

Education & Training

Medical School: Universidad Nacional Mayor De San Marcos Facultad De Medicina San Fernando

Graduation Date: in 1995

Specialties & Hospital Affiliations

Hospital Affiliations:

  • Mission Regional Medical Center
  • Doctors Hospital At Renaissance

Specialties: Gastroenterology and Internal Medicine

Health Insurance and Affiliations

  • Aetna Choice POS II
  • Aetna HMO
  • Aetna Managed Choice POS Open Access
  • Aetna Signature Administrators PPO
  • Aexcel PPO
  • Ambetter from Superior HealthPlan MRF
  • Ambetter Superior Health Plan
  • BCBS Blue Card PPO
  • BCBS TX Blue Advantage HMO
  • BCBS TX BlueChoice
  • Blue Essentials HMO
  • CIGNA Open Access Plus
  • First Health PPO
  • Humana Choice POS
  • Humana ChoiceCare Network PPO
  • Humana HMO Premier
  • Humana HMO Premier MRF
  • Humana National POS
  • Humana Preferred PPO
  • Humana Rio Grande EPOx
  • Molina Mrktplace - TX MRF
  • Molina place TX
  • TX Ambetter
  • UHC Choice Plus POS
  • UHC Navigate HMO
  • UHC Navigate POS
  • UHC Options PPO

CastilloLuna's Office Information

Fax: (956) 642-4357
Website: Not available
Accepting New Patients: No
Medicare Accepted: No
Medicaid Accepted: Yes

Office Hours:

Mon9:00 AM-5:00 PM
Tue9:00 AM-5:00 PM
Wed9:00 AM-5:00 PM
Thu9:00 AM-5:00 PM
Fri8:00 AM-1:00 PM