NPI Lookup · Medicare billing profile

Brian Shimkus, MD

Medical Oncology Physician · Georgetown, TX · NPI 1730164591. Below: what a registry shows, plus the 2024 Medicare billing context no registry clone carries.

$4.6M
Est. Medicare paid, 2024
230,470
Services billed, 2024
42
Distinct codes billed, 2024
2024
Latest CMS data year

Registry record (NPPES)

NPI1730164591
TypeIndividual clinician
SpecialtyMedical Oncology Physician
Practice address3201 S Austin Ave Ste 315
City / State / ZIPGeorgetown, TX 78626

Top billed codes (2024)

Q5125Injection, filgrastim-ayow, biosimilar, (releuko), 1 microgram55,980 · $21K
J9299Injection, nivolumab, 1 mg46,721 · $1.1M
J9271Injection, pembrolizumab, 1 mg31,400 · $1.4M
J0897Injection, denosumab, 1 mg28,560 · $587K
Q5123Injection, rituximab-arrx, biosimilar, (riabni), 10 mg12,023 · $381K

Top 5 of 42 codes billed in 2024. Services · est. Medicare paid. The full list is one search in the app.

Reported industry relationships (2025)

Manufacturers with disclosed Open Payments records naming this provider in 2025: Janssen Biotech, Inc. · AstraZeneca Pharmaceuticals LP · PFIZER INC. · E.R. Squibb & Sons, L.L.C. · Celgene Corporation · and 42 more.

A payment record is a disclosed relationship under the Sunshine Act, not evidence this provider uses a product. Detail is in the app.

Part D prescribing (2024)

Apixaban144 claims
Ondansetron130 claims
Prednisone117 claims
Anastrozole114 claims
Rivaroxaban90 claims

Top 5 drugs by Medicare Part D claim count. Drug-year lines under 11 claims are suppressed by CMS, so this understates low-volume prescribing.

This is the public slice. Year-over-year history, every code, payment detail, group affiliations, and phone numbers for Brian Shimkus are one search in Prospect 811.

Where this data comes from. Provider identity, specialty, and practice location come from CMS's public NPPES registry (the National Plan & Provider Enumeration System), the official record of every NPI ever issued. Deactivated NPIs are excluded. Addresses are what the provider filed and can lag a move. Where a profile shows Medicare context, it comes from CMS's public utilization, Part D, and Open Payments files: traditional Medicare fee-for-service only, and CMS suppresses any provider-and-code line under 11 beneficiaries before publishing. An Open Payments record is a disclosed relationship, not evidence a clinician uses a product. Prospect 811 organizes public data; it doesn't add to or alter it. Not affiliated with or endorsed by CMS. Full detail on the data page.

Stop looking providers up one at a time.

Prospect 811 ranks every provider on your codes in your territory, with the billing history behind this page and a day-route planner to drive it.

Start prospecting
$9 Day Pass · full app for 24 hours · credits toward your first month