Quick answers
- Which hospitals does Jason A. Showmaker work at?
- Medicare's official clinician data lists Jason A. Showmaker at 5 hospitals: AdventHealth Shawnee Mission, Ascentist Hospital LLC, Centerpoint Medical Center, Lee's Summit Medical Center and Saint Luke's East Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jason A. Showmaker see patients?
- Medicare's clinician data lists 3 practice locations, including Lees Summit, MO and Kansas City, KS. Call before your visit to confirm the address.
- What is Jason A. Showmaker's specialty?
- Medicare lists Otolaryngology as the primary specialty.
- Does Jason A. Showmaker accept Medicare assignment?
- Yes. Medicare's clinician data says Jason A. Showmaker 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 Jason A. Showmaker?
- (816) 478-4200, as listed in official Medicare / NPI Registry data.
- What is Jason A. Showmaker's NPI number?
- 1609187871. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jason A. Showmaker works
Medicare's Facility Affiliation Data lists Jason A. Showmaker at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AdventHealth Shawnee MissionShawnee Mission, KS · Acute Care Hospital · CCN 170104
- Ascentist Hospital LLCLeawood, KS · Acute Care Hospital · CCN 170194
- Centerpoint Medical CenterIndependence, MO · Acute Care Hospital · CCN 260095
- Lee's Summit Medical CenterLees Summit, MO · Acute Care Hospital · CCN 260190
- Saint Luke's East HospitalLees Summit, MO · Acute Care Hospital · CCN 260216
Practice locations
Addresses where Jason A. Showmaker is enrolled with Medicare (CMS data updated 2026-10-02).
- 2000 SE Blue Pkwy, Suite 110Lees Summit, MO 64063 (816) 478‑4200
- 2300 Hutton Rd, Suite 106Kansas City, KS 66109 (913) 721‑3387
- 4880 NE Goodview CirLees Summit, MO 64064 (816) 478‑4200
Group practices
Medicare enrollment lists Jason A. Showmaker as a member of this group (CMS data updated 2026-10-02).
- Ascentist Physicians Group LLC119 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in Lees Summit
Clinicians with the same Medicare primary specialty in Lees Summit, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Missouri, Columbia School Of Medicine |
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1609187871 |
| 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