Are you Dr. Markham?
Join over one million U.S. Physicians, Nurse Practitioners and PAs, already on Doximity.
- 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.
You already have 22 invites waiting! - Read the latest clinical news, personalized to your specialty.
Office
2400 Hospital Dr
Suite 490
Bossier City, LA 71111Phone+1 318-798-9400Fax+1 318-798-6785
Summary
- Dr. Roy Markham, MD is a cardiologist in Bossier City, Louisiana. He is currently licensed to practice medicine in Louisiana and Texas.
Education & Training
- Baylor College of MedicineResidency, Internal Medicine, 1976 - 1979
- Baylor College of MedicineClass of 1976
Certifications & Licensure
- LA State Medical License 1982 - 2025
- TX State Medical License 1976 - 2004
- American Board of Internal Medicine Internal Medicine
- American Board of Internal Medicine Cardiovascular Disease
Awards, Honors, & Recognition
- Fellow (FACC) American College of Cardiology
Publications & Presentations
PubMed
- 14 citationsCentral and regional hemodynamic effects and neurohumoral consequences of minoxidil in severe congestive heart failure and comparison to hydralazine and nitroprussideRoy V. Markham, Alyce Gilmore, William A. Pettinger, D. Craig Brater, James R. Corbett
The American Journal of Cardiology. 1983-10-01 - 69 citationsEfficacy of prazosin in the management of chronic congestive heart failure: A 6-month randomized, double-blind, placebo-controlled studyRoy V. Markham, James R. Corbett, Alyce Gilmore, William A. Pettinger, Brian G. Firth
The American Journal of Cardiology. 1983-05-01 - 54 citationsIndependence of Oxygen Consumption and Systemic Oxygen Transport in Patients with Either Stable Pulmonary Hypertension or Refractory Left Ventricular Failure1–4Timothy R. Chappell, Lewis J. Rubin, Roy V. Markham, Brian G. Firth
The American Review of Respiratory Disease. 2015-05-14