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Office
4500 San Pablo Rd S
Jacksonville, FL 32224Phone+1 904-953-2000- Is this information wrong?
Education & Training
- Emory University School of MedicineFellowship, Blood Banking/Transfusion Medicine, 2001 - 2002
- St Louis University School of MedicineResidency, Pathology-Anatomic and Clinical, 1997 - 2001
- St Louis University School of MedicineResidency, Radiology-Diagnostic, 1996 - 1996
- University of Florida College of MedicineInternship, Transitional Year, 1995 - 1996
- Saint Louis University School of MedicineClass of 1995
Certifications & Licensure
- MO State Medical License 1997 - 2025
- FL State Medical License 2008 - 2025
- GA State Medical License 2001 - 2025
- American Board of Pathology Clinical Pathology
- American Board of Pathology Blood Banking/Transfusion Medicine
Publications & Presentations
PubMed
- 8 citationsA Case of Acute Pulmonary Embolus after mRNA SARS-CoV-2 Immunization.Nathaniel E. Wiest, Gretchen S. Johns, E. B. Edwards> ;Vaccines. 2021 Aug 14
- 9 citationsReducing Blood Loss by Changing to Small Volume Tubes for Laboratory TestingYu Wu, Aaron Spaulding, Shalmali R. Borkar, Michelle M. Shoaei, Maria Mendoza, Rhonda Grant, Bruce W. Barber, Gretchen S. Johns, Pablo Moreno Franco> ;Mayo Clinic Proceedings. Innovations, Quality & Outcomes. 2021 Feb 1
- 3 citationsPlatelet Function Analyzer 100 and Brain Natriuretic Peptide as Biomarkers in Obstructive Hypertrophic CardiomyopathyJoseph L. Blackshear, Robert E. Safford, Colleen S. Thomas, J. Martijn Bos, Michael J. Ackerman, Jeffrey B. Geske, Steve R. Ommen, Brian P. Shapiro, Gretchen S. Johns> ;The American Journal of Cardiology. 2017 Dec 1
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Hospital Affiliations
- Mayo Clinic Hospital in FloridaJacksonville, Florida
- Baptist Medical Center BeachesJacksonville Beach, Florida
- Ascension St. Vincent's SouthsideJacksonville, Florida
- HCA Florida Memorial Hospital Jacksonville, Florida
- Baptist Medical Center JacksonvilleJacksonville, Florida
- Ascension St. Vincent's RiversideJacksonville, Florida
- Naval Hospital JacksonvilleJacksonville, Florida
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