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Medical Oncology

Brian J. Shimkus, MD

Works at hospitals in Cedar Park, TX · Round Rock, TX · Austin, TX · Texas

Summary

Brian J. Shimkus, MD (Medical Oncology) is listed by Medicare at 5 hospitals in Cedar Park, TX, Round Rock, TX and Austin, TX. NPI 1730164591. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Brian J. Shimkus, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Medical OncologyPrimary specialty
YesAccepts Medicare assignment
28Years since medical school (graduated 1998)
Medical College Of Georgia School Of MedicineMedical school
MaleGender (as listed)
American Oncology Partners PAGroup practice

Quick answers

Which hospitals does Brian J. Shimkus work at?
Medicare's official clinician data lists Brian J. Shimkus at 5 hospitals: Ascension Seton Cedar Park, Ascension Seton Williamson, North Austin Medical Center, Round Rock Medical Center and St David's Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Brian J. Shimkus see patients?
Medicare's clinician data lists 2 practice locations, including Georgetown, TX and Austin, TX. Call before your visit to confirm the address.
What is Brian J. Shimkus's specialty?
Medicare lists Medical Oncology as the primary specialty.
Does Brian J. Shimkus accept Medicare assignment?
Yes. Medicare's clinician data says Brian J. Shimkus accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Brian J. Shimkus?
(512) 358-9428, as listed in official Medicare / NPI Registry data.
What is Brian J. Shimkus's NPI number?
1730164591. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Brian J. Shimkus works

Medicare's Facility Affiliation Data lists Brian J. Shimkus at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Brian J. Shimkus is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Brian J. Shimkus as a member of this group (CMS data updated 2026-10-02).

  • American Oncology Partners PA391 clinicians in the group

Specialties

Find other Medical Oncology doctors in Texas →

Other oncologists in Texas

Clinicians with the same Medicare primary specialty in Texas — not a recommendation.

All oncologists in Texas →

Clinician information

CredentialMD
Medical schoolMedical College Of Georgia School Of Medicine
Graduation year1998
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1730164591
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians