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Internal Medicine

Michael J. Mahoney, MD

Works at hospitals in Clarinda, IA · Council Bluffs, IA · Red Oak, IA … · Iowa, Nebraska

Summary

Michael J. Mahoney, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Clarinda, IA, Council Bluffs, IA and Red Oak, IA and other places. NPI 1689782336. 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 Michael J. Mahoney, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
33Years since medical school (graduated 1993)
University Of Nebraska College Of MedicineMedical school
MaleGender (as listed)
Clarinda Regional Health CenterGroup practice

Quick answers

Which hospitals does Michael J. Mahoney work at?
Medicare's official clinician data lists Michael J. Mahoney at 4 hospitals: Clarinda Regional Health Center, Methodist Jennie Edmundson, Montgomery County Memorial Hospital and The Nebraska Methodist Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Michael J. Mahoney see patients?
Medicare's clinician data lists 1 practice location in Clarinda, IA. Call before your visit to confirm the address.
What is Michael J. Mahoney's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Emergency Medicine.
Does Michael J. Mahoney accept Medicare assignment?
Yes. Medicare's clinician data says Michael J. Mahoney 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 Michael J. Mahoney?
(712) 542-2176, as listed in official Medicare / NPI Registry data.
What is Michael J. Mahoney's NPI number?
1689782336. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Michael J. Mahoney works

Medicare's Facility Affiliation Data lists Michael J. Mahoney 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 Michael J. Mahoney is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Michael J. Mahoney as a member of this group (CMS data updated 2026-10-02).

  • Clarinda Regional Health Center51 clinicians in the group

Specialties

Find other Internal Medicine doctors in Iowa →

Other internal medicine doctors in Iowa

Clinicians with the same Medicare primary specialty in Iowa — not a recommendation.

All internal medicine doctors in Iowa →

Clinician information

CredentialMD
Medical schoolUniversity Of Nebraska College Of Medicine
Graduation year1993
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1689782336
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