Quick answers
- Which hospitals does Gage Brummer work at?
- Medicare's official clinician data lists Gage Brummer at 4 hospitals: Saint Luke's East Hospital, Saint Luke's South Hospital, Saint Lukes North Hospital and St Lukes Hospital of Kansas City. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gage Brummer see patients?
- Medicare's clinician data lists 4 practice locations, including Lees Summit, MO, Kansas City, KS and Overland Park, KS. Call before your visit to confirm the address.
- What is Gage Brummer's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Gage Brummer accept Medicare assignment?
- Yes. Medicare's clinician data says Gage Brummer 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 Gage Brummer?
- (816) 347-5000, as listed in official Medicare / NPI Registry data.
- What is Gage Brummer's NPI number?
- 1578142923. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gage Brummer works
Medicare's Facility Affiliation Data lists Gage Brummer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Saint Luke's East HospitalLees Summit, MO · Acute Care Hospital · CCN 260216
- Saint Luke's South HospitalOverland Park, KS · Acute Care Hospital · CCN 170185
- Saint Lukes North HospitalKansas City, MO · Acute Care Hospital · CCN 260062
- St Lukes Hospital of Kansas CityKansas City, MO · Acute Care Hospital · CCN 260138
Practice locations
Addresses where Gage Brummer is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 NE Saint Lukes BlvdLees Summit, MO 64086 (816) 347‑5000
- 10544 Parallel PkwyKansas City, KS 66109 (913) 222‑8325
- 12300 Metcalf AveOverland Park, KS 66213 (913) 317‑7000
- 4401 Wornall RdKansas City, MO 64111 (816) 932‑2000
Group practices
Medicare enrollment lists Gage Brummer as a member of these groups (CMS data updated 2026-10-02).
- Mep Kansas LLC60 clinicians in the group
- Metro Emergency Physician LLC52 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Lees Summit
Clinicians with the same Medicare primary specialty in Lees Summit, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578142923 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians