Quick answers
- Which hospitals does Jon D. Gregory work at?
- Medicare's official clinician data lists Jon D. Gregory at 1 hospital: Jacksonville Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jon D. Gregory see patients?
- Medicare's clinician data lists 2 practice locations, including Jacksonville, IL. Call before your visit to confirm the address.
- What is Jon D. Gregory's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Jon D. Gregory accept Medicare assignment?
- Yes. Medicare's clinician data says Jon D. Gregory 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 Jon D. Gregory?
- (217) 245-9541, as listed in official Medicare / NPI Registry data.
- What is Jon D. Gregory's NPI number?
- 1568689859. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jon D. Gregory works
Medicare's Facility Affiliation Data lists Jon D. Gregory at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Jacksonville Memorial HospitalJacksonville, IL · Critical Access Hospital · CCN 141352
Practice locations
Addresses where Jon D. Gregory is enrolled with Medicare (CMS data updated 2026-10-02).
- 1600 W WalnutJacksonville, IL 62650 (217) 245‑9541
- 1600 W Walnut StJacksonville, IL 62650
Group practices
Medicare enrollment lists Jon D. Gregory as a member of this group (CMS data updated 2026-10-02).
- Jacksonville Crnas Inc16 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Illinois →
Other nurse anesthetists in Jacksonville
Clinicians with the same Medicare primary specialty in Jacksonville, IL — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1568689859 |
| 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