Dr. Weinstock is on Doximity
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Office
11525 Olde Cabin Rd
Ste 101
Creve Coeur, MO 63141Phone+1 314-997-0554Fax+1 314-997-5086
Education & Training
- Washington University/B-JH/SLCH ConsortiumFellowship, Gastroenterology, 1985 - 1987
- Rochester General HospitalResidency, Internal Medicine, 1981 - 1985
- University of Rochester School of Medicine and DentistryClass of 1981
Certifications & Licensure
- MO State Medical License 1986 - 2025
- IL State Medical License 1996 - 1999
- American Board of Internal Medicine Internal Medicine
- American Board of Internal Medicine Gastroenterology
Awards, Honors, & Recognition
- CMS Meaningful Use Stage 1 Certification NextGen Ambulatory EHR, NextGen Healthcare, 2013
- Top MD Consumers Checkbook
- Fellow (FACG) American College of Gastroenterology
Clinical Trials
- Evaluate the Safety and Diagnostic Advantages of Tilt Down Verses Standard Horizontal Colonoscopy Positioning Start of enrollment: 2012 May 01
- SER-109 Versus Placebo to Prevent Recurrent Clostridium Difficile Infection (RCDI) Start of enrollment: 2015 May 01
- Stool Sample Collection Protocol for Development of Screening Test for Colorectal Cancer and Other Digestive Tract Cancers Start of enrollment: 2014 Oct 01
Publications & Presentations
PubMed
- 74 citationsMast cell activation symptoms are prevalent in Long-COVID.Leonard B. Weinstock, Jill B Brook, Arthur S. Walters, Ashleigh J. Goris, Lawrence B. Afrin
International Journal of Infectious Diseases. 2021-09-23 - 183 citationsCovid-19 hyperinflammation and post-Covid-19 illness may be rooted in mast cell activation syndrome.Lawrence B. Afrin, Leonard B. Weinstock, Gerhard J. Molderings
International Journal of Infectious Diseases. 2020-11-01 - 178 citationsRepeat Treatment With Rifaximin Is Safe and Effective in Patients With Diarrhea-Predominant Irritable Bowel SyndromeAnthony Lembo, Mark Pimentel, Satish S.C. Rao, Philip Schoenfeld, Brooks D. Cash
Gastroenterology. 2016-12-01
Journal Articles
- The Significance of Mast Cell Activation in the Era of Precision MedicineAli Rezaie, Leonard B Weinstock, Nature
Press Mentions
- St. Louis Doctor Studying Possible Treatment for Long COVID-19 SymptomsJanuary 29th, 2022
- Long-Haul COVID Comes into Focus Thanks to St. Louis Doctor’s ResearchJanuary 27th, 2022
- 'Tomorrow Can Be Better': New Research Gives Hope to COVID-19 Long HaulersJanuary 27th, 2022
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Professional Memberships
- Member
- Fellow
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