Quick answers
- Which hospitals does Jon Ashley work at?
- Medicare's official clinician data lists Jon Ashley at 1 hospital: University of Mississippi Medical Center- Grenada. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jon Ashley see patients?
- Medicare's clinician data lists 2 practice locations, including Lexington, MS and Grenada, MS. Call before your visit to confirm the address.
- What is Jon Ashley's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Jon Ashley accept Medicare assignment?
- Yes. Medicare's clinician data says Jon Ashley 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 Ashley?
- (662) 834-1321, as listed in official Medicare / NPI Registry data.
- What is Jon Ashley's NPI number?
- 1104900968. 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 Ashley works
Medicare's Facility Affiliation Data lists Jon Ashley at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- University of Mississippi Medical Center- GrenadaGrenada, MS · Acute Care Hospital · CCN 250168
Practice locations
Addresses where Jon Ashley is enrolled with Medicare (CMS data updated 2026-10-02).
- 239 Bowling Green RdLexington, MS 39095 (662) 834‑1321
- 960 Avent DrGrenada, MS 38901 (662) 227‑7000
Group practices
Medicare enrollment lists Jon Ashley as a member of this group (CMS data updated 2026-10-02).
- Grenada Emergency Group, LLC36 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Lexington
Clinicians with the same Medicare primary specialty in Lexington, MS — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Mississippi School Of Medicine |
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104900968 |
| 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