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Diagnostic Radiology

John L. Allen, MD

Works at hospitals in Grand Island, NE · North Platte, NE · Kearney, NE … · Nebraska

Summary

John L. Allen, MD (Diagnostic Radiology) is listed by Medicare at 5 hospitals in Grand Island, NE, North Platte, NE and Kearney, NE and other places. NPI 1871573956. 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 L. Allen, 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

Diagnostic RadiologyPrimary specialty
YesAccepts Medicare assignment
32Years since medical school (graduated 1994)
University Of Nebraska College Of MedicineMedical school
MaleGender (as listed)
North Platte Nebraska Hospital CorporationGroup practice (+2 more)

Quick answers

Which hospitals does John L. Allen work at?
Medicare's official clinician data lists John L. Allen at 5 hospitals: Grand Island Regional Medical Center, Great Plains Health, Kearney Regional Medical Center, Mary Lanning Healthcare and Perkins County Health Services. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John L. Allen see patients?
Medicare's clinician data lists 5 practice locations, including Kearney, NE, North Platte, NE and Hastings, NE. Call before your visit to confirm the address.
What is John L. Allen's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does John L. Allen accept Medicare assignment?
Yes. Medicare's clinician data says John L. Allen 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 L. Allen?
(308) 865-7100, as listed in official Medicare / NPI Registry data.
What is John L. Allen's NPI number?
1871573956. 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 L. Allen works

Medicare's Facility Affiliation Data lists John L. Allen 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 L. Allen is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John L. Allen as a member of these groups (CMS data updated 2026-10-02).

  • North Platte Nebraska Hospital Corporation243 clinicians in the group
  • The Mary Lanning Memorial Hospital Association130 clinicians in the group
  • Advanced Radiology of Grand Island PC3 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Nebraska →

Other radiologists in Kearney

Clinicians with the same Medicare primary specialty in Kearney, NE — not a recommendation.

All radiologists in Kearney →

Clinician information

CredentialMD
Medical schoolUniversity Of Nebraska College Of Medicine
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1871573956
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