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855 Proton RdSan Antonio, TX 78258
Phone+1 210-614-1234
Fax+1 210-614-0952
Dr. Shaffer is on Doximity
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Education & Training
San Antonio Uniformed Services Health Education ConsortiumFellowship, Gastroenterology, 1989 - 1991
William Beaumont Army Medical CenterResidency, Internal Medicine, 1984 - 1987
George Washington University School of Medicine and Health SciencesClass of 1984
Certifications & Licensure
TX State Medical License 1993 - 2027
NM State Medical License 1986 - 2005
American Board of Internal Medicine Internal Medicine- American Board of Internal Medicine Gastroenterology
Awards, Honors, & Recognition
- CMS Meaningful Use Stage 1 Certification eClinicalWorks EHR, eClinicalWorks LLC, 2011, 2013
Publications & Presentations
PubMed
- 42 citationsRapid Diagnosis of Infected Ascitic Fluid Using Leukocyte Esterase Dipstick TestingRaj C. Butani, Richard T. Shaffer, Ronald D. Szyjkowski, Barbara E. Weeks, Linda G. Speights
The American Journal of Gastroenterology. 2004-03-01 - 16 citationsGranulomatous lung masses in an elderly patient with inactive Crohn's disease.Pedro F. Lucero, William C. Frey, Richard T. Shaffer, Michael J. Morris
Inflammatory Bowel Diseases. 2001-08-01 - 65 citationsThe prevalence of celiac disease autoantibodies in patients with systemic lupus erythematosus.Michael J Rensch, Ronald Szyjkowski, Richard T. Shaffer, Sean Fink, Craig Kopecky
The American Journal of Gastroenterology. 2001-04-01
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