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Internal Medicine

Erik M. Hardy, DO

Works at hospitals in Madison, WI · Wisconsin

Summary

Erik M. Hardy, DO (Internal Medicine) is listed by Medicare at 2 hospitals in Madison, WI. NPI 1275775744. 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 Erik M. Hardy, 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
17Years since medical school (graduated 2009)
Philadelphia College Of Osteopathic MedicineMedical school
MaleGender (as listed)
Meriter Hospital IncGroup practice

Quick answers

Which hospitals does Erik M. Hardy work at?
Medicare's official clinician data lists Erik M. Hardy at 2 hospitals: UnityPoint Health - Meriter and University of WI Hospitals & Clinics Authority. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Erik M. Hardy see patients?
Medicare's clinician data lists 1 practice location in Madison, WI. Call before your visit to confirm the address.
What is Erik M. Hardy's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Erik M. Hardy accept Medicare assignment?
Yes. Medicare's clinician data says Erik M. Hardy 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 Erik M. Hardy?
(608) 417-6000, as listed in official Medicare / NPI Registry data.
What is Erik M. Hardy's NPI number?
1275775744. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Erik M. Hardy works

Medicare's Facility Affiliation Data lists Erik M. Hardy 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 Erik M. Hardy is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Erik M. Hardy as a member of this group (CMS data updated 2026-10-02).

  • Meriter Hospital Inc122 clinicians in the group

Specialties

Find other Internal Medicine doctors in Wisconsin →

Other internal medicine doctors in Madison

Clinicians with the same Medicare primary specialty in Madison, WI — not a recommendation.

All internal medicine doctors in Madison →

Clinician information

CredentialDO
Medical schoolPhiladelphia College Of Osteopathic Medicine
Graduation year2009
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1275775744
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