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Nathaniel M. Polnaszek, MD

NPI 1932384872ActiveIndividual· Urology· Round Rock, TX

Urology (MD) in Round Rock, Texas, trained at Medical College of Wisconsin (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $565,818 for 2,846 claims, against $95,595 paid for services in 2024. Calyxo, Inc. was the largest of 16 companies reporting payments in 2025, $1,989 in all, mostly food and beverage.

Overview

NPI1932384872
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJan 9, 2008
Last updated in NPPESJan 5, 2021
Certified by providerJan 5, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Urology Primary208800000XP1682TX

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Urology (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients636
Services billed1,156 across 65 procedure codes
Paid by Medicare$95,595

Part D prescriptions in 2024

Prescriptions (claims)2,846 · 7,079 30-day fills
Patients675
Total drug cost$565,818
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Medical schoolMedical College of Wisconsin
Graduation year2006
Medicare specialtyUrology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,989 · 50 payments from 16 companies
  • 2024$2,056 · 44 payments from 14 companies

Top paying companies in 2025

CompanyAmountPayments
Calyxo, Inc.$486.454
Boston Scientific Corporation$367.5213
Urogen Pharma, Inc.$217.896
Coloplast Corp$177.104
180 Medical, Inc.$150.973

What the 2025 payments were for

  • Food and Beverage$1,989 · 50 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other Urology providers in Round Rock

All Urology providers in Texas →