NPPES file of Aug 9, 2026

Gage Brummer, MD, PHD

Emergency Medicine Physician · Kansas City, MO

Gage Brummer, MD, PHD is an emergency medicine physician with a practice address in Kansas City, Missouri, and NPI 1578142923, issued on Apr 5, 2021. Check the license (Missouri 2024015944, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1578142923
Name
Gage Brummer
Credential
MD, PHD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
2024015944 MO
Self-reported in NPPES; status is on the state search
Practice location
4401 Wornall RD, Kansas City, MO 64111
Phone
(816) 932-2000
Enumerated
Apr 5, 2021
Record last updated
Jul 17, 2024
Medicare enrollment
Enrolled (PECOS I20241217003409); accepts Medicare assignment
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 4401 Wornall RD

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

  1. Kristin Aaron, APRN, NNP-BCNeonatal Nurse Practitioner1932694569
  2. Dana Abdel Jawad, DNP, APRN, FNP-CFamily Nurse Practitioner1245185974
  3. Mahmoud Abdelsamia, MDHematology & Oncology Physician1295351476
  4. Anas Abou Merhi, MDStudent in an Organized Health Care Education/Training Program1699613992
  5. Tamara Adams, MSRDLDRegistered Dietitian1467667220
  6. Mohamed Ahmed, MDGastroenterology Physician1194353425

Verify Gage Brummer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2024015944
    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 Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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25% fewer Medicare Part D claims than the average emergency medicine physician in 2024

169 Medicare Part D claims for 115 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 15 claims were for opioids.

  1. Gage Brummer169
  2. Specialty average226

Most prescribed

  1. Cephalexin17 claims
  2. Prednisone17 claims
  3. Cefpodoxime Proxetil15 claims
  4. Cyclobenzaprine Hcl11 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.

Bills Medicare through 2 group practices

  1. Mep Kansas LLCOverland Park, KS
  2. Metro Emergency Physician LLCKansas City, MO

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

Gage Brummer among 1,405 emergency medicine physician records in Missouri

Gage Brummer, MD, PHD is one of 1,405 emergency medicine physician records with a practice address in Missouri. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 86% of them.

  • NPI issued2021 · 86% of these records are older, 10% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2021 · median 2012 among the 808 with a school on file
  • Record last updated2024 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

158 emergency medicine physician records list a practice address in Kansas City

They are 158 of the 13,759 NPPES records with a practice address in Kansas City, and 1,405 emergency medicine physician records in Missouri.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Tiina Auksi-Butler, MDKansas City, MO 641111215983754
  2. Robert Bonness, MDKansas City, MO 641111740393792
  3. Samir Doshi, MDKansas City, MO 641111548213671
  4. Francisco Gador, MDKansas City, MO 641111255444246
  5. Eduardo Guzman, DOKansas City, MO 641111669585220
  6. Jennifer Hanes, DOKansas City, MO 641111295794246
  7. James Hart, DOKansas City, MO 641111225141138
  8. Sarah Linderman, MDKansas City, MO 641111174596654

Common questions

What is Gage Brummer, MD, PHD's NPI number?

Gage Brummer, MD, PHD's National Provider Identifier (NPI) is 1578142923, issued on Apr 5, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Gage Brummer, MD, PHD located?

The NPPES record lists a practice address at 4401 Wornall RD, Kansas City, MO, 64111. Phone: (816) 932-2000. Providers update this record themselves, so call before visiting.

How can I verify Gage Brummer, MD, PHD's license?

NPPES lists Missouri license number 2024015944, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gage Brummer, MD, PHD prescribe under Medicare Part D?

In 2024, Gage Brummer, MD, PHD had 169 Medicare Part D claims for 115 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

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.