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Family Practice

John A. Berg, MD

Works at hospitals in Aberdeen, SD · Redfield, SD · South Dakota

Summary

John A. Berg, MD (Family Practice) is listed by Medicare at 2 hospitals in Aberdeen, SD and Redfield, SD. NPI 1457321226. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about John A. Berg, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Family PracticePrimary specialty
YesAccepts Medicare assignment
32Years since medical school (graduated 1994)
Sanford School Of Medicine Of University Of South DakotaMedical school
MaleGender (as listed)
City of RedfieldGroup practice

Quick answers

Which hospitals does John A. Berg work at?
Medicare's official clinician data lists John A. Berg at 2 hospitals: Avera St Lukes and Community Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John A. Berg see patients?
Medicare's clinician data lists 2 practice locations, including Redfield, SD. Call before your visit to confirm the address.
What is John A. Berg's specialty?
Medicare lists Family Practice as the primary specialty.
Does John A. Berg accept Medicare assignment?
Yes. Medicare's clinician data says John A. 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 the phone number for John A. Berg?
(605) 472-0510, as listed in official Medicare / NPI Registry data.
What is John A. Berg's NPI number?
1457321226. 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 A. Berg works

Medicare's Facility Affiliation Data lists John A. Berg at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where John A. Berg is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John A. Berg as a member of this group (CMS data updated 2026-10-02).

  • City of Redfield12 clinicians in the group

Specialties

Find other Family Practice doctors in South Dakota →

Other family doctors in Redfield

Clinicians with the same Medicare primary specialty in Redfield, SD — not a recommendation.

All family doctors in Redfield →

Clinician information

CredentialMD
Medical schoolSanford School Of Medicine Of University Of South Dakota
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1457321226
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians