Quick answers
- Which hospitals does Aaron Pfeifer work at?
- Medicare's official clinician data lists Aaron Pfeifer at 2 hospitals: Hays Medical Center and Pawnee Valley Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Aaron Pfeifer see patients?
- Medicare's clinician data lists 1 practice location in Hays, KS. Call before your visit to confirm the address.
- What is Aaron Pfeifer's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Aaron Pfeifer accept Medicare assignment?
- Yes. Medicare's clinician data says Aaron Pfeifer 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 Aaron Pfeifer?
- (785) 623-5555, as listed in official Medicare / NPI Registry data.
- What is Aaron Pfeifer's NPI number?
- 1275912651. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Aaron Pfeifer works
Medicare's Facility Affiliation Data lists Aaron Pfeifer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hays Medical CenterHays, KS · Acute Care Hospital · CCN 170013
- Pawnee Valley Community HospitalLarned, KS · Critical Access Hospital · CCN 171345
Practice locations
Addresses where Aaron Pfeifer is enrolled with Medicare (CMS data updated 2026-10-02).
- 2220 Canterbury DrHays, KS 67601 (785) 623‑5555
Group practices
Medicare enrollment lists Aaron Pfeifer as a member of this group (CMS data updated 2026-10-02).
- Hays Medical Center Inc191 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Hays
Clinicians with the same Medicare primary specialty in Hays, KS — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Kansas School Of Med (kc/wich/sal) |
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1275912651 |
| 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