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Office
5777 E. Mayo Boulevard
Phoenix, AZ 85050
Summary
- I am a board certified Infectious Diseases specialist with expertise in the prevention and management of complex infections My research focuses on prevention and management of Clostridiodes difficile infections.
Education & Training
- Virginia Commonwealth University1991 - 1993
- Geisinger Health System (Danville)Residency, Internal Medicine, 1988 - 1991
- Botsford General HospitalInternship, 1987 - 1988
- Des Moines University College of Osteopathic MedicineClass of 1987, D.O., Sigma Sigma Phi
- Trinity CollegeBS, Biochemistry , 1977 - 1981
Certifications & Licensure
- AZ State License 2010 - 2025
- MN State License 2002 - 2025
- VA State License 1991 - 2008
- PA State License 1989 - 2002
- American Board of Internal Medicine Internal Medicine
- American Board of Internal Medicine Infectious Disease
- American Academy of HIV MedicineHIV
Awards, Honors, & Recognition
- Above and Beyond Clinician Award Mayo Clinic Arizona, Dept of Medicine, 2021
- Senior Fellow Academy of Academic Excellence- Mayo Clinic, 2020
- Academy Award American Academy of Osteopathy, 2019
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Clinical Trials
- Study of Merimepodib in Combination With Remdesivir in Adult Patients With Advanced COVID-19 Start of enrollment: 2020 Jun 16
Publications & Presentations
PubMed
- 71 citationsAn outbreak of Mycobacterium chelonae infections in tattoos.Lisa A. Drage, Phillip M. Ecker, Robert Orenstein, P. Kim Phillips, Randall S. Edson
Journal of the American Academy of Dermatology. 2010-03-01 - 43 citationsSuccessful treatment of disseminated nonmeningeal coccidioidomycosis with voriconazole.Rajesh M. Prabhu, Mark Bonnell, Bradford L. Currier, Robert Orenstein
Clinical Infectious Diseases. 2004-10-01 - 28 citationsProlonged use of a proton pump inhibitor reduces microbial diversity: implications for Clostridium difficile susceptibility.Charlie T Seto, Patricio Jeraldo, Robert Orenstein, Nicholas Chia, John K DiBaise
Microbiome. 2014-01-01
Journal Articles
- TNF-Inhibitors and Infection.Orenstein R, Matteson EL, Infect Med 2006; 23:99-114
- Infections related to TNF-Inhibitors.Orenstein R, Expert Rev Dermatol 2006; 1(5): 757-769
- Opportunistic Infections associated with TNF-alpha Treatment.Orenstein R, Matteson EL, Future Rheumatol 2007;2:567-576
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Books/Book Chapters
Abstracts/Posters
- Staged Approach to the reduction of C. difficile infection.Orenstein R, Thompson RL, Rosenblad M, Patel R, Annual Meeting of the Society for Healthcare Epidemiology of America, San Diego, CA
- Sustained Elimination of C. difficile Infection.Orenstein R, Fedraw L. Aronhalt K, McManus J, Link M, Annual Scientific Meeting of the Society for Healthcare Epidemiology of America, Dallas, TX
- A simple pre-operative prediction tool for surgical site infection in vascular surgery.Leekha S, Thompson RL, Sampathkumar P, Lahr B, Duncan A, Orenstein R, 5th Decennial International Conference on Healthcare Associated Infections, SHEA, CDC, APIC, IDSA, Atlanta, Georgia
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Lectures
- Multiple Small Feedings of the Mind, Infectious Diseases.American College of Physicians Annual Meeting
- How to use antibiotics effectively in the outpatient arena.Primary Care Grand Rounds, McGuire VA Medical Center, Richmond, VA
- HIV in the Elderly.Division of Geriatrics Grand Rounds, Hunter Holmes McGuire VA Medical Center, Richmond, VA
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Press Mentions
- Stopping the Cycle of C. DiffFebruary 8th, 2023
- Ferring to Present Analyses for Investigational Microbiota-Based Live Biotherapeutic RBX2660 in Patients with Recurrent C. Difficile Infection at ACG 2022October 11th, 2022
- “All About the Mission”August 1st, 2022
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Professional Memberships
- Member
- Fellow
- Fellow
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