Biography:

Dr. David Zielske “Dr. Z” (MD, CIRCC, CCVTC, COC, CCC, CCS, RCC)

• Author of the “industry standard” for interventional radiology and cardiology coding reference manuals
• Practiced as an interventional radiologist for 14 years; a coding expert for over 20 years
• Board Certified in Radiology with the Certification of Added Qualification in Interventional Radiology