Quick answers
- Which hospitals does John Caster work at?
- Medicare's official clinician data lists John Caster at 2 hospitals: Cox Medical Center Branson and Cox Medical Centers. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Caster see patients?
- Medicare's clinician data lists 1 practice location in Springfield, MO. Call before your visit to confirm the address.
- What is John Caster's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does John Caster accept Medicare assignment?
- Medicare's clinician data says John Caster may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is John Caster's NPI number?
- 1902849854. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John Caster works
Medicare's Facility Affiliation Data lists John Caster at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cox Medical Center BransonBranson, MO · Acute Care Hospital · CCN 260094
- Cox Medical CentersSpringfield, MO · Acute Care Hospital · CCN 260040
Practice locations
Addresses where John Caster is enrolled with Medicare (CMS data updated 2026-10-02).
- 1001 E Primrose StSpringfield, MO 65807
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Springfield
Clinicians with the same Medicare primary specialty in Springfield, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Saint Louis University School Of Medicine |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1902849854 |
| 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