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Nephrology

Allen L. Flickinger

Works at hospitals in Oregon, OH · Fostoria, OH · Fremont, OH … · Ohio

Summary

Allen L. Flickinger (Nephrology) is listed by Medicare at 5 hospitals in Oregon, OH, Fostoria, OH and Fremont, OH and other places. NPI 1538137229. 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 Allen L. Flickinger, 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

NephrologyPrimary specialty
YesAccepts Medicare assignment
38Years since medical school (graduated 1988)
University Of Toledo College Of MedicineMedical school
MaleGender (as listed)
ProMedica Central PhysiciansGroup practice (+1 more)

Quick answers

Which hospitals does Allen L. Flickinger work at?
Medicare's official clinician data lists Allen L. Flickinger at 5 hospitals: Bay Park Community Hospital, Fostoria Community Hospital, Memorial Hospital, ProMedica Defiance Regional Hospital and ProMedica Toledo Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Allen L. Flickinger see patients?
Medicare's clinician data lists 2 practice locations, including Toledo, OH. Call before your visit to confirm the address.
What is Allen L. Flickinger's specialty?
Medicare lists Nephrology as the primary specialty.
Does Allen L. Flickinger accept Medicare assignment?
Yes. Medicare's clinician data says Allen L. Flickinger 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 Allen L. Flickinger?
(419) 291-4000, as listed in official Medicare / NPI Registry data.
What is Allen L. Flickinger's NPI number?
1538137229. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Allen L. Flickinger works

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

Group practices

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

  • ProMedica Central Physicians785 clinicians in the group
  • Nephrology Consultants of Northwest Ohio, Inc10 clinicians in the group

Specialties

Find other Nephrology doctors in Ohio →

Other nephrologists in Toledo

Clinicians with the same Medicare primary specialty in Toledo, OH — not a recommendation.

All nephrologists in Toledo →

Clinician information

Medical schoolUniversity Of Toledo College Of Medicine
Graduation year1988
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1538137229
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