Dr. Holdener is on Doximity
As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.
- Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
- Connect with colleagues in the same hospital or clinic.
- Read the latest clinical news, personalized to your specialty.
Office
8 Eagle Center
Suite 4
O Fallon, IL 62269Phone+1 618-607-0011
Education & Training
Washington University/B-JH/SLCH ConsortiumResidency, Radiology-Diagnostic, 1990 - 1992
Mount Sinai Hospital Medical Center of ChicagoResidency, Radiology-Diagnostic, 1988 - 1990
SSM Health/Saint Louis University School of MedicineInternship, Internal Medicine, 1987 - 1988- Saint Louis University School of MedicineClass of 1987
Certifications & Licensure
IL State Medical License 1991 - 2020
MO State Medical License 1990 - 2020
FL State Medical License 2013 - 2019
GA State Medical License 2013 - 2018
OH State Medical License 2003 - 2018- American Board of Radiology Diagnostic Radiology
Awards, Honors, & Recognition
- FACR ACR, 2019
Publications & Presentations
PubMed
- 17 citationsMalignant thymoma in an ectopic thymus: CT appearance.Anton Tan, Gregory P. Holdener, Alan H. Hecht, Cheryl Gelfand, Brian Baker
Journal of Computer Assisted Tomography. 1991-09-01
Viewing the full profile is available to verified healthcare professionals only.
Find your profile and take control of your online presence:
