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Office
855 Proton Rd
San Antonio, TX 78258Phone+1 210-614-1234Fax+1 210-614-0952- Is this information wrong?
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 - 2025
- 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
- 41 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, Shailesh C. Kadakia> ;The American Journal of Gastroenterology. 2004 Mar 1
- 15 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 Aug 1
- 63 citationsThe prevalence of celiac disease autoantibodies in patients with systemic lupus erythematosus.Michael J Rensch, Ronald Szyjkowski, Richard T. Shaffer, Sean Fink, Craig Kopecky, Linda Grissmer, Raymond Enzenhauer, Shailesh C. Kadakia> ;The American Journal of Gastroenterology. 2001 Apr 1
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Hospital Affiliations
- North Central Baptist HospitalSan Antonio, Texas
- Methodist Stone Oak HospitalSan Antonio, Texas
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