Dr. Rockford Glenn Yapp MD Gastroenterologist

Dr. Rockford Yapp is a gastroenterologist in Downers Grove, Illinois. He is affiliated with multiple hospitals in the area, including Adventist Hinsdale Hospital and Advocate Good Samaritan Hospital. He received his medical degree from University of Nebraska College of Medicine and has been in practice for 30 years. Dr. Yapp accepts several types of health insurance, listed below. He is one of 26 doctors at Adventist Hinsdale Hospital and one of 26 at Advocate Good Samaritan Hospital who specialize in Gastroenterology.

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Office Location

See Contact Information

Specialty & Clinical Interests

Gastroenterologist: General Gastroenterology

Hospital Affiliation

Adventist Hinsdale Hospital
High performing in Gastroenterology & GI Surgery

Advocate Good Samaritan Hospital
High performing in Gastroenterology & GI Surgery

Edward Hospital
High performing in Gastroenterology & GI Surgery

Education & Medical Training

McGaw Medical Center - Northwestern University
Residency, Internal Medicine, 1984 - 1987

Yale-New Haven Hospital
Fellowship, Gastroenterology, 1987 - 1990

University of Nebraska College of Medicine
Class of 1984

Certifications & Licensure

American Board of Family Medicine
Certified in Family Medicine

American Board of Internal Medicine
Certified in Internal Medicine

IL State Medical License
Active through 2014

CT State Medical License
Active through 2010

Awards, Honors & Recognition

Fellow (AGAF), American Gastroenterological Association

Publications & Presentations

Sex and age are determinants of the clinical phenotype of primary biliary cirrhosis and response to ursodeoxycholic acid.
Carbone M, Mells GF, Pells G, Dawwas MF, Newton JL, Heneghan MA, Neuberger JM, Day DB, Ducker SJ, Sandford RN, Alexander GJ, Jones DE 2013 3

Endotherapy for Barrett's Esophagus.
Yapp, R. G.

Efficacy and safety of peginterferon alfa-2a/ribavirin in methadone maintenance patients: randomized comparison of direct observed therapy and self-administration.
Bonkovsky, H.L., Tice, A.D., Yapp, R.G., Bodenheimer, H.C., Monto, A., Rossi, S.J., Sulkowski, M.S.

See all 4 publications

Insurances Accepted

  • Aetna Choice POS II
  • Aetna HMO
  • AvMed Health Open Access
  • BCBS Blue Card PPO
  • BCBS Florida BlueCare HMO
  • BCBS Florida NetworkBlue
  • BCBS Florida Preferred Patient Care PPO
  • CIGNA Open Access
  • First Health PPO
  • Great West PPO
  • Humana ChoiceCare Network PPO
  • Multiplan PHCS PPO
  • Multiplan PPO
  • United - River Valley Neighborhood Health Partnership
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO
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