Book an Appointment with Randy McCollough, MD FACC

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Dr. McCollough is originally from Dickinson, Texas. He earned his medical degree from the University of Texas Medical Branch in Galveston, Texas. Dr. McCollough completed an internship and residency in Internal Medicine at Scott and White Memorial Hospital in Temple, Texas, where he also completed his fellowship in Cardiology. Dr. Randy McCollough is American Board of Internal Medicine certified in Internal Medicine and Cardiovascular Disease. His special areas of interest are in Interventional Cardiology and Peripheral Vascular Disease. Dr. McCollough is also a Fellow of the American College of Cardiology and Society of Cardiac Angiography and Intervention.

Office Locations:

Harker Heights, Austin Heart - Lampasas and Interventional back up in Williamson County

Personal Interests:

Flying, scuba diving, water and snow skiing, hunting and fishing

Professional Associations:

  • Bell County Medical Society
  • American Medical Association
  • Texas Medical Association
  • American College of Cardiology, Fellow
  • Society of Cardiac Angiography and Intervention, Fellow


  • Klebe, RJ; McCollough RF; Lankford, BJ: Barnett DR; Bowman, BH; (1977). A transformed cystic fibrosis cell line and preliminary linkage analysis with the mucocilliary inhibitor. Cystic Fibrosis Foundation Club Abstracts, 118th Annual Meeting, San Francisco. Published by the Cystic Fibrosis Foundation, Atlanta, Georgia
  • McCollough, RF; Landoulis, CT (1978). Morphological and biochemical characteristics of malignant mesothelial cells in in-vitro. American Association of Cancer Research, Southwest section, San Antonio, Texas
  • Landoulis, CT; McCollough, RF; Graves, K; Cavallo, T (1979). Malignant mesothelioma cells in culture. Federation of American Societies of Experimental Biologists, 63rd Annual Meeting, Dallas, Texas.
  • McCollough, RF; Lanoulis, CT; (1979). Morphological and biochemical properties of malignant mesothelial cells. National Student Research Forum, Galveston Texas.
  • Thoedoropoulos,TJ; McKinny PJ; McCollough, RF; Landoulis, CT (1981). Wide distribution of TRH immunoreactivity (TRH-1R) in neonatal rat tissue and immunohistochemical localization in the pancreas. Clin. Res. 29 (2), 300a.
  • McCollough, RF (1981). The distribution and localization of Alpha-1-antitrypsin in normal human liver. Masters Thesis. Graduate School of Biomedical Sciences, University of Texas Medical Branch, Galveston Texas.
  • Arko, F; McCollough RF: Manning, L; Buckley, CJ (1996). Use of intravascular ultrasound in the endovascular management of atherosclerotic aortoiliac occlusive disease. American Journal of Surgery. 172: 546-550.
  • Arko, F; Mettauer, M; McCollough RF, et al (1996). Use of intravascular ultrasound improves long term clinical outcome in the endovascular management of atherosclerotic aortoiliac disease. Journal of Vascular Surgery 24:614-623.


Medical School
University of Texas Medical Branch, Galveston, TX

Scott & White Memorial Hospital, Temple, TX

Scott & White Memorial Hospital, Temple, TX

Certifications & Memberships

Internal Medicine, Cardiovascular Disease, Interventional Cardiology, Nuclear Cardiology



Languages Spoken



Interventional Cardiology

Office Locations

Austin Heart
800 West Central Texas Expressway, Suite 355
(located next to Seton Medical Center Harker Heights)
Harker Heights, TX 76548
Phone: (254) 526-2085
Fax: (254) 526-9569

Office Hours

8:00am - 5:00pm


(512) 206-4300

Additional Locations

Lampasas-Rollinsbrook Community Hospital

508 N. Key Ave.
Lampasas, TX
Phone: 76550
Fax: 254-526-2085

Austin Heart - Lampasas

207 W. Ave E
Lampasas, TX 76550
Phone: (254) 526-2085
Fax: (254) 526-9569
Physician Office Hours:
Every Monday, Tuesday and Wednesday