Quick answers
- Which hospitals does John C. Berg work at?
- Medicare's official clinician data lists John C. Berg at 1 hospital: Essentia Health St Joseph's Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John C. Berg see patients?
- Medicare's clinician data lists 1 practice location in Brainerd, MN. Call before your visit to confirm the address.
- What is John C. Berg's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
- Does John C. Berg accept Medicare assignment?
- Yes. Medicare's clinician data says John C. Berg 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 John C. Berg's NPI number?
- 1285612325. 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 C. Berg works
Medicare's Facility Affiliation Data lists John C. Berg at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Essentia Health St Joseph's Medical CenterBrainerd, MN · Acute Care Hospital · CCN 240075
Practice locations
Addresses where John C. Berg is enrolled with Medicare (CMS data updated 2026-10-02).
- 523 N 3rd StBrainerd, MN 56401
Group practices
Medicare enrollment lists John C. Berg as a member of this group (CMS data updated 2026-10-02).
- St Josephs Medical Center237 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Minnesota
Clinicians with the same Medicare primary specialty in Minnesota — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Minnesota Medical School |
| Graduation year | 1982 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1285612325 |
| 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