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Internal Medicine

Raynieri Fernandez, MD

Sees patients in Fitchburg, WI · Wisconsin

Summary

Raynieri Fernandez, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Fitchburg, WI. NPI 1255862637. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Raynieri Fernandez, 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
May acceptAccepts Medicare assignment
14Years since medical school (graduated 2012)
MaleGender (as listed)

Quick answers

Where does Raynieri Fernandez see patients?
Medicare's clinician data lists 1 practice location in Fitchburg, WI. Call before your visit to confirm the address.
What is Raynieri Fernandez's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Raynieri Fernandez accept Medicare assignment?
Medicare's clinician data says Raynieri Fernandez may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Raynieri Fernandez's NPI number?
1255862637. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Raynieri Fernandez is enrolled with Medicare (CMS data updated 2026-10-02).

  • 5395 E Cheryl PkwyFitchburg, WI 53711

Specialties

Find other Internal Medicine doctors in Wisconsin →

Other internal medicine doctors in Wisconsin

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

All internal medicine doctors in Wisconsin →

Clinician information

CredentialMD
Graduation year2012
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1255862637
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians