Our Team

Ramon Halum, M.D.

Dr. Halum is board-certified in Vascular and Interventional Radiology and
Diagnostic Radiology, and specializes in critical limb ischemia, CLI. CLI is a
condition where lower extremity blood vessels are severely diseased. When left untreated, CLI can lead to amputations.

He has held academic titles from Indiana University, Wake Forest University, and Medical College of Wisconsin. He has been performing and teaching the art of vascular interventions for nearly 20 years and has spent the past 16 years in Indianapolis. Other interests include superficial vein disease, pelvic compression syndrome, varicocele embolization, and fibroid embolization treatments.

Dr. Halum is an expert in dialysis fistula access. Creating new procedures or refining current treatments is the essence of interventional radiology.
Cutting edge therapy for osteoarthritis knee pain is the discovery of
genicular artery embolization, which reduces pain and inflammation. He
has a BS in chemistry from the University of South Carolina School of Medicine and earned his Medical Degree from Ross University School of Medicine. He did his diagnostic radiology training at St. Joseph’s Regional Medical Center in Milwaukee, Wisconsin, and Vascular and Interventional Fellowship at the University of Illinois-Peoria.

Dr. Halum is the medical director of Central Indiana Vascular Care in Greenwood, In. Dr. Halum, and his wife Stacey, have two teenage boys.


Michelle Richeson, B.S.N., R.N.

Michelle Richeson is a passionate and patient-focused registered nurse who specializes in the vascular field. Trained in diagnostic and interventional procedures, she excels in offering exceptional on-site patient care in addition to leveraging her strong educational background.

Having most recently served as the Coronary Senior Clinical Field Specialist for Abbott Vascular in Central Indiana, Michelle has a certified history of providing both technical and clinical support to her colleagues, patients, and their families.

Michelle graduated from Indiana University with her Bachelor of Science in Nursing. She also comes celebrated with a variety of esteemed awards and titles, including:

  • Coronary Compliance Champion (2019)
  • Getinge Core Value Award for Collaboration (2018)
  • National Top 10 Cardiovascular Nurse Consultant (2015)
  • And more

Today, she is the leading registered nurse with Central Indiana Vascular Care.