NPPES file of Aug 9, 2026

Brian Jay Shimkus, MD

Medical Oncology Physician · Georgetown, TX

Brian Jay Shimkus, MD is a medical oncology physician with a practice address in Georgetown, Texas, and NPI 1730164591, issued on Dec 14, 2005. Check the license (Texas L5907, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1730164591
Name
Brian Jay Shimkus
Credential
MD
Primary taxonomy
Medical Oncology Physician 207RX0202X
License number
L5907 TX
Self-reported in NPPES; status is on the state search
Practice location
3201 S Austin Ave Ste 315, Georgetown, TX 78626
Phone
(512) 358-9428
Enumerated
Dec 14, 2005
Record last updated
Jul 14, 2023
Fax
(737) 710-1920
Medicaid ID
157781901 TX
Medicare enrollment
Enrolled (PECOS I20091015000103); accepts Medicare assignment
Medical or professional school
Medical College Of Georgia School Of Medicine, 1998
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3201 S Austin Ave Ste 315

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rhonda Campbell, PA-CPhysician Assistant1245273192
  2. Derrick Nguyen, MDMedical Oncology Physician1518006501

Verify Brian Jay Shimkus in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license L5907
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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3.4 times the Medicare Part D claims of the average medical oncology physician in 2024

2,386 Medicare Part D claims for 385 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. 129 claims were for opioids.

  1. Brian Shimkus2,386
  2. Specialty average703

Most prescribed

  1. Eliquis144 claims
  2. Ondansetron Odt130 claims
  3. Prednisone117 claims
  4. Anastrozole114 claims
  5. Xarelto90 claims
  6. Erleada80 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 0 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $4,291.72

189 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brian Shimkus$4,292
  2. Specialty average$11,773

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. American Oncology Partners PAAustin, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Brian Jay Shimkus among 547 medical oncology physician records in Texas

Brian Jay Shimkus, MD is one of 547 medical oncology physician records with a practice address in Texas. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 94% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated1998 · median 2000 among the 414 with a school on file
  • Record last updated2023 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Oncology Physician providers in Texas

There are 547 medical oncology physician records in Texas.

The 8 medical oncology physician records with the nearest ZIP codes

  1. Derrick Nguyen, MDGeorgetown, TX 786261518006501
  2. Mohammed Sabbagh, MDGeorgetown, TX 786261164420105
  3. Courtney Yau, M.D.Georgetown, TX 786281487812590
  4. Aneesha Hossain, MDMarble Falls, TX 786541861803017
  5. Catherine Jones, M.D.Marble Falls, TX 786541104053735
  6. Vivian Cline, MDRound Rock, TX 786651003870759
  7. Krishna Patel, MDRound Rock, TX 786651619263183
  8. Michael BurgessRancho Viejo, TX 785751730560525

Common questions

What is Brian Jay Shimkus, MD's NPI number?

Brian Jay Shimkus, MD's National Provider Identifier (NPI) is 1730164591, issued on Dec 14, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Brian Jay Shimkus, MD located?

The NPPES record lists a practice address at 3201 S Austin Ave Ste 315, Georgetown, TX, 78626. Phone: (512) 358-9428. Providers update this record themselves, so call before visiting.

How can I verify Brian Jay Shimkus, MD's license?

NPPES lists Texas license number L5907, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Brian Jay Shimkus, MD prescribe under Medicare Part D?

In 2024, Brian Jay Shimkus, MD had 2,386 Medicare Part D claims for 385 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.

What is Brian Jay Shimkus, MD's MIPS final score?

The 2023 MIPS final score is 0 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.