Quick answers
- Which hospitals does Nathan Oldham work at?
- Medicare's official clinician data lists Nathan Oldham at 5 hospitals: Deaconess Hospital Inc, Ferrell Hospital Community Foundations, Harrisburg Medical Center, Heartland Regional Medical Center and Herrin Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nathan Oldham see patients?
- Medicare's clinician data lists 3 practice locations, including Eldorado, IL. Call before your visit to confirm the address.
- What is Nathan Oldham's specialty?
- Medicare lists Family Practice as the primary specialty, and also Emergency Medicine.
- Does Nathan Oldham accept Medicare assignment?
- Yes. Medicare's clinician data says Nathan Oldham 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 Nathan Oldham's NPI number?
- 1780883843. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nathan Oldham works
Medicare's Facility Affiliation Data lists Nathan Oldham at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Deaconess Hospital IncEvansville, IN · Acute Care Hospital · CCN 150082
- Ferrell Hospital Community FoundationsEldorado, IL · Critical Access Hospital · CCN 141324
- Harrisburg Medical CenterHarrisburg, IL · Acute Care Hospital · CCN 140210
- Heartland Regional Medical CenterMarion, IL · Acute Care Hospital · CCN 140184
- Herrin HospitalHerrin, IL · Acute Care Hospital · CCN 140011
Practice locations
Addresses where Nathan Oldham is enrolled with Medicare (CMS data updated 2026-10-02).
- 1201 Pine StEldorado, IL 62930
- 1300 US Hwy 45 NEldorado, IL 62930
- 1306 Maple StEldorado, IL 62930
Group practices
Medicare enrollment lists Nathan Oldham as a member of this group (CMS data updated 2026-10-02).
- Ferrell Hospital Community Foundation56 clinicians in the group
Specialties
- Family Practiceprimary
- Emergency Medicinealso
Other family doctors in Eldorado
Clinicians with the same Medicare primary specialty in Eldorado, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Southern Illinois University School Of Medicine |
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780883843 |
| 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