Physician

Michelle Lee Daffer, MD

According to 2025 Medicare claims, Michelle Daffer, MD (NPI: 1396711867) practices dermatology in the Sioux City, IA-NE-SD market, with the plurality of this provider's patient population coming from Woodbury, IA. This provider's primary affiliated billing organization is CNOS PC (NPI: 1881604320; TIN: 421480644) and primary practice location at 57049-5091.

Daffer's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,397 traditional Medicare patients, billed 9,683 HCPCS/CPT codes, and received $427,141 in Medicare payments. The top billing code was 17311 (Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks). Part D data shows 1,252 prescription claims across 411 beneficiaries totaling $673,456 in drug costs, led by Odomzo (Sonidegib Phosphate). Open Payments data shows 111 records totaling $1,796. You can download detailed data with all billing codes (2015-2024). For more recent data, please contact us.

Over the past 10 years, this provider's Medicare Part B carrier billing has risen steadily, from $237,593 to $427,141. Similarly, Part D prescription costs have moved sharply higher in recent years, from $152,353 to $673,456. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.