Quick answers
- Which hospitals does Nathaniel Stewart work at?
- Medicare's official clinician data lists Nathaniel Stewart at 3 hospitals: Elkhart General Hospital, Memorial Hospital of South Bend and Saint Joseph Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nathaniel Stewart see patients?
- Medicare's clinician data lists 1 practice location in South Bend, IN. Call before your visit to confirm the address.
- What is Nathaniel Stewart's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Emergency Medicine and Family Practice.
- Does Nathaniel Stewart accept Medicare assignment?
- Yes. Medicare's clinician data says Nathaniel Stewart 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 Nathaniel Stewart?
- (574) 335-8399, as listed in official Medicare / NPI Registry data.
- What is Nathaniel Stewart's NPI number?
- 1063773422. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nathaniel Stewart works
Medicare's Facility Affiliation Data lists Nathaniel Stewart at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Elkhart General HospitalElkhart, IN · Acute Care Hospital · CCN 150018
- Memorial Hospital of South BendSouth Bend, IN · Acute Care Hospital · CCN 150058
- Saint Joseph Regional Medical CenterMishawaka, IN · Acute Care Hospital · CCN 150012
Practice locations
Addresses where Nathaniel Stewart is enrolled with Medicare (CMS data updated 2026-10-02).
- 1122 S Ironwood Dr, River Park Family MedicineSouth Bend, IN 46615 (574) 335‑8399
Group practices
Medicare enrollment lists Nathaniel Stewart as a member of this group (CMS data updated 2026-10-02).
- Saint Joseph Regional Medical Center Inc138 clinicians in the group
Specialties
- Internal Medicineprimary
- Emergency Medicinealso
- Family Practicealso
Other internal medicine doctors in South Bend
Clinicians with the same Medicare primary specialty in South Bend, IN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063773422 |
| 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