
Join to View Full Profile
8850 Six Pines Dr Ste 280Shenandoah, TX 77380
Phone+1 713-597-8535
Fax+1 713-575-3688
Dr. Armstrong 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.
Education & Training
- University of Texas Health Science Center at Houston/M D Anderson Cancer CenterFellowship, Vascular and Interventional Radiology, 2008 - 2009
- University of Texas Health Science Center at HoustonResidency, Radiology-Diagnostic, 2004 - 2008
- University of Texas Health Science Center at HoustonInternship, Transitional Year, 2003 - 2004
- The University of Texas Health Science Center at San AntonioClass of 2003
Certifications & Licensure
- TX State Medical License 2006 - 2026
- American Board of Radiology Interventional Radiology and Diagnostic Radiology
Publications & Presentations
PubMed
- 8 citationsEarly initiation of enteral feeding in cancer patients after outpatient percutaneous fluoroscopy-guided gastrostomy catheter placement.Sharjeel H. Sabir, Ryan Armstrong, Linda S. Elting, Michael J. Wallace, Sanjay Gupta
Journal of Vascular and Interventional Radiology. 2014-04-01
Viewing the full profile is available to verified healthcare professionals only.
Find your profile and take control of your online presence: