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Internal Medicine

Nader Honarkhah, MD

Works at hospitals in Janesville, WI · Lake Geneva, WI · Madison, WI · Wisconsin

Summary

Nader Honarkhah, MD (Internal Medicine) is listed by Medicare at 3 hospitals in Janesville, WI, Lake Geneva, WI and Madison, WI. NPI 1851464242. 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 Nader Honarkhah, 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
29Years since medical school (graduated 1997)
Medical College Of OhioMedical school
MaleGender (as listed)
Mercy Health System CorporationGroup practice

Quick answers

Which hospitals does Nader Honarkhah work at?
Medicare's official clinician data lists Nader Honarkhah at 3 hospitals: Mercy Health System Corp, Mercy Walworth Hospital & Medical Center and University of WI Hospitals & Clinics Authority. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Nader Honarkhah see patients?
Medicare's clinician data lists 1 practice location in Janesville, WI. Call before your visit to confirm the address.
What is Nader Honarkhah's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Nader Honarkhah accept Medicare assignment?
Yes. Medicare's clinician data says Nader Honarkhah 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 Nader Honarkhah?
(608) 756-7100, as listed in official Medicare / NPI Registry data.
What is Nader Honarkhah's NPI number?
1851464242. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Nader Honarkhah works

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

Group practices

Medicare enrollment lists Nader Honarkhah as a member of this group (CMS data updated 2026-10-02).

  • Mercy Health System Corporation753 clinicians in the group

Specialties

Find other Internal Medicine doctors in Wisconsin →

Other internal medicine doctors in Janesville

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

All internal medicine doctors in Janesville →

Clinician information

CredentialMD
Medical schoolMedical College Of Ohio
Graduation year1997
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851464242
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