Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. Derrick Robson Siebert, MD

Individual provider Diagnostic Radiology Physician · NPI 1063674224

Dr. Derrick Robson Siebert, MD practises Diagnostic Radiology in Wausau, Wisconsin. Graduated from Medical College of Wisconsin in 2008, 18 years ago. Practices with Radiology Associates of Wausau SC, a 23-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
18
Trained at
Medical College of Wisconsin
Licensed in
WI
In the registry since
2008
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

333 Pine Ridge Blvd
Wausau, WI 54401-4120 Not confirmed with CMS for 12 years — call before visiting
Phone: (715) 847-2283
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 61877 - 20 (WI)
Vascular & Interventional Radiology Physician Taxonomy 2085R0204X · Licence 61877 - 20 (WI)

Record details

NPI number1063674224
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 30, 2008
Last updated in NPPESJune 23, 2014

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 2008 (18 years in practice)
Group practice Radiology Associates Of Wausau Sc — 23 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations18 on file with Medicare

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Removal of skin lesions 1–10 times

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients956
Services billed 1,614 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Consulting Fee $1,875 1 payment
Food and Beverage $271 5 payments · a meal or drink at a meeting or visit, not a fee
Travel and Lodging $256 1 payment · travel or lodging paid or reimbursed, such as to attend a conference

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at Radiology Associates of Wausau SC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 23 clinicians in the practice; 12 are shown here.

Other providers in Wausau