Quick answers
- Which hospitals does Dennon W. Davis work at?
- Medicare's official clinician data lists Dennon W. Davis at 5 hospitals: Deaconess Illinois Crossroads, Good Samaritan Regional Health Center, Heartland Regional Medical Center, Herrin Hospital and Memorial Hospital of Carbondale. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Dennon W. Davis see patients?
- Medicare's clinician data lists 3 practice locations, including West Frankfort, IL, Marion, IL and Mount Vernon, IL. Call before your visit to confirm the address.
- What is Dennon W. Davis's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Dennon W. Davis accept Medicare assignment?
- Yes. Medicare's clinician data says Dennon W. Davis 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 Dennon W. Davis?
- (618) 937-6200, as listed in official Medicare / NPI Registry data.
- What is Dennon W. Davis's NPI number?
- 1689788630. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Dennon W. Davis works
Medicare's Facility Affiliation Data lists Dennon W. Davis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Deaconess Illinois CrossroadsMount Vernon, IL · Acute Care Hospital · CCN 140294
- Good Samaritan Regional Health CenterMount Vernon, IL · Acute Care Hospital · CCN 140046
- Heartland Regional Medical CenterMarion, IL · Acute Care Hospital · CCN 140184
- Herrin HospitalHerrin, IL · Acute Care Hospital · CCN 140011
- Memorial Hospital of CarbondaleCarbondale, IL · Acute Care Hospital · CCN 140164
Practice locations
Addresses where Dennon W. Davis is enrolled with Medicare (CMS data updated 2026-10-02).
- 326 E Main StWest Frankfort, IL 62896 (618) 937‑6200
- 3411 Professional Park DrMarion, IL 62959 (618) 997‑2248
- 4105 N Water Tower PlMount Vernon, IL 62864 (618) 244‑9495
Group practices
Medicare enrollment lists Dennon W. Davis as a member of these groups (CMS data updated 2026-10-02).
- Select Physical Therapy Holdings Inc2,024 clinicians in the group
- Deaconess Illinois Clinic Inc19 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Southern Illinois University School Of Medicine |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689788630 |
| 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