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Dr. Thomas W. Walkiewicz, MD

Radiology (Diagnostic Radiology Physician)

  • Medicare participating

At a glance

Years since graduation
25
In the NPI registry since
2007
Medicare patients seen, 2024
1,728

Licensed in Texas since 2010, according to the Texas Medical Board. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. NPIs were first issued in May 2005 and became required on claims in 2007–2008, so an early date usually means the clinician was already in practice before then. What an NPI is

Education and training

  • 2001Medical school: University of Nevada School of Medicine
  • 2007Registered with an NPI (national billing number; not a license date) — NPIs began in 2005, so practice likely started earlier

Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Diagnostic Radiology Physician primary
    TX license N6761 (first issued 2010; active)
  • Neuroradiology Physician
    TX license N6761 (first issued 2010; active)

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Radiology per capita by county →

Where they work

Hospitals

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare patients and services

Medicare patients, 2024
1,728
Services billed
6,323
Patients’ average age
77
Most frequent Medicare services, 2023
ServiceTimesPatients
Injection, gadoterate meglumine, 0.1 ml1,90011
Ct scan head or brain without contrast693655
Ct scan of upper spine without contrast284278
Mri scan of lower spinal canal without contrast266260
Mri scan of brain without contrast247245
Mri scan of brain before and after contrast212206
Ct scan of lower spine without contrast210200
Mri scan of upper spinal canal without contrast149143
Ct scan of blood vessels of neck with contrast140138
Ct scan of blood vessels of head with contrast134131

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Payments from drug and device companies

In 2025, 1 companies reported 1 payments worth $28.24 in total to this clinician.

By type
Food and Beverage$28.24

From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.

Who received the most in Texas →

Other Radiology clinicians in Dallas

Sources

NPI registry (CMS NPPES, November 2026; record last updated February 29, 2016), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1912057183. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.