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Neurosurgery

John D. Nerva, MD

Works at hospitals in Menomonee Falls, WI · Milwaukee, WI · Wisconsin

Summary

John D. Nerva, MD (Neurosurgery) is listed by Medicare at 2 hospitals in Menomonee Falls, WI and Milwaukee, WI. NPI 1255652426. 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 John D. Nerva, 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

NeurosurgeryPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
16Years since medical school (graduated 2010)
University Of Minnesota Medical SchoolMedical school
MaleGender (as listed)
The Medical College of Wisconsin IncGroup practice

Quick answers

Which hospitals does John D. Nerva work at?
Medicare's official clinician data lists John D. Nerva at 2 hospitals: Community Memorial Hospital and Froedtert Memorial Lutheran Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John D. Nerva see patients?
Medicare's clinician data lists 2 practice locations, including Milwaukee, WI. Call before your visit to confirm the address.
What is John D. Nerva's specialty?
Medicare lists Neurosurgery as the primary specialty.
Does John D. Nerva accept Medicare assignment?
Yes. Medicare's clinician data says John D. Nerva 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.
Does John D. Nerva offer telehealth?
Medicare's clinician data says John D. Nerva offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for John D. Nerva?
(414) 805-3666, as listed in official Medicare / NPI Registry data.
What is John D. Nerva's NPI number?
1255652426. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John D. Nerva works

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

Group practices

Medicare enrollment lists John D. Nerva as a member of this group (CMS data updated 2026-10-02).

  • The Medical College of Wisconsin Inc2,115 clinicians in the group

Specialties

Find other Neurosurgery doctors in Wisconsin →

Other neurosurgeons in Milwaukee

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

All neurosurgeons in Milwaukee →

Clinician information

CredentialMD
Medical schoolUniversity Of Minnesota Medical School
Graduation year2010
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1255652426
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