Quick answers
- Which hospitals does Keith A. Greiner work at?
- Medicare's official clinician data lists Keith A. Greiner at 3 hospitals: Fredonia Regional Hospital, University of Kansas Health System Olathe Hospital and University of Kansas Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Keith A. Greiner see patients?
- Medicare's clinician data lists 6 practice locations, including Lenexa, KS, Fredonia, KS and Kansas City, KS. Call before your visit to confirm the address.
- What is Keith A. Greiner's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Keith A. Greiner accept Medicare assignment?
- Yes. Medicare's clinician data says Keith A. Greiner 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.
- Does Keith A. Greiner offer telehealth?
- Medicare's clinician data says Keith A. Greiner offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Keith A. Greiner?
- (620) 378-3700, as listed in official Medicare / NPI Registry data.
- What is Keith A. Greiner's NPI number?
- 1306932934. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Keith A. Greiner works
Medicare's Facility Affiliation Data lists Keith A. Greiner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Fredonia Regional HospitalFredonia, KS · Critical Access Hospital · CCN 171374
- University of Kansas Health System Olathe HospitalOlathe, KS · Acute Care Hospital · CCN 170049
- University of Kansas HospitalKansas City, KS · Acute Care Hospital · CCN 170040
Practice locations
Addresses where Keith A. Greiner is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 11300 Corporate Ave, Suite 342Lenexa, KS 66219
- 1525 Madison StFredonia, KS 66736 (620) 378‑3700
- 3901 Rainbow BlvdKansas City, KS 66160 (913) 588‑7013
- 3901 Rainbow Blvd, Suite 5300Kansas City, KS 66160 (913) 588‑6210
- 4000 Cambridge StKansas City, KS 66160 (913) 588‑1227
Group practices
Medicare enrollment lists Keith A. Greiner as a member of these groups (CMS data updated 2026-10-02).
- Kansas University Physicians Inc1,849 clinicians in the group
- Jennifer Bacani McKenney, MD, LLC6 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Lenexa
Clinicians with the same Medicare primary specialty in Lenexa, KS — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Kansas School Of Med (kc/wich/sal) |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1306932934 |
| 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