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Neurology

Devakumaran J. Kumar, MD

Works at hospitals in Rockford, IL · Janesville, WI · Lake Geneva, WI · Illinois, Wisconsin

Summary

Devakumaran J. Kumar, MD (Neurology) is listed by Medicare at 3 hospitals in Rockford, IL, Janesville, WI and Lake Geneva, WI. NPI 1922196443. 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 Devakumaran J. Kumar, 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

NeurologyPrimary specialty
YesAccepts Medicare assignment
35Years since medical school (graduated 1991)
MaleGender (as listed)
Mercy Health System CorporationGroup practice

Quick answers

Which hospitals does Devakumaran J. Kumar work at?
Medicare's official clinician data lists Devakumaran J. Kumar at 3 hospitals: Javon Bea Hospital, Mercy Health System Corp and Mercy Walworth Hospital & Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Devakumaran J. Kumar see patients?
Medicare's clinician data lists 1 practice location in Janesville, WI. Call before your visit to confirm the address.
What is Devakumaran J. Kumar's specialty?
Medicare lists Neurology as the primary specialty.
Does Devakumaran J. Kumar accept Medicare assignment?
Yes. Medicare's clinician data says Devakumaran J. Kumar 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 Devakumaran J. Kumar?
(608) 756-6000, as listed in official Medicare / NPI Registry data.
What is Devakumaran J. Kumar's NPI number?
1922196443. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Devakumaran J. Kumar works

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

Group practices

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

  • Mercy Health System Corporation753 clinicians in the group

Specialties

Find other Neurology doctors in Wisconsin →

Other neurologists in Janesville

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

All neurologists in Janesville →

Clinician information

CredentialMD
Graduation year1991
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1922196443
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