Quick answers
- Which hospitals does Greg Mendrek work at?
- Medicare's official clinician data lists Greg Mendrek at 2 hospitals: OSF Saint Luke Medical Center and St Mary Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Greg Mendrek see patients?
- Medicare's clinician data lists 1 practice location in Galesburg, IL. Call before your visit to confirm the address.
- What is Greg Mendrek's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Greg Mendrek accept Medicare assignment?
- Yes. Medicare's clinician data says Greg Mendrek 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 Greg Mendrek?
- (309) 344-3161, as listed in official Medicare / NPI Registry data.
- What is Greg Mendrek's NPI number?
- 1144227406. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Greg Mendrek works
Medicare's Facility Affiliation Data lists Greg Mendrek at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- OSF Saint Luke Medical CenterKewanee, IL · Critical Access Hospital · CCN 141325
- St Mary Medical CenterGalesburg, IL · Acute Care Hospital · CCN 140064
Practice locations
Addresses where Greg Mendrek is enrolled with Medicare (CMS data updated 2026-10-02).
- 3333 N Seminary StGalesburg, IL 61401 (309) 344‑3161
Group practices
Medicare enrollment lists Greg Mendrek as a member of this group (CMS data updated 2026-10-02).
- OSF Multi-Specialty Group2,114 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Illinois →
Other nurse anesthetists in Galesburg
Clinicians with the same Medicare primary specialty in Galesburg, IL — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144227406 |
| 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