Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Janna Baker, NP

Works at hospitals in Eau Claire, WI · Barron, WI · Wisconsin

Summary

Janna Baker, NP (Nurse Practitioner) is listed by Medicare at 2 hospitals in Eau Claire, WI and Barron, WI. NPI 1831401942. 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 Janna Baker, 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

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
16Years since medical school (graduated 2010)
FemaleGender (as listed)
Mayo Clinic Health System-Northwest Wisconsin Region IncGroup practice

Quick answers

Which hospitals does Janna Baker work at?
Medicare's official clinician data lists Janna Baker at 2 hospitals: Mayo Clinic Health System Eau Claire Hospital and Mayo Clinic Health System-Northland. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Janna Baker see patients?
Medicare's clinician data lists 1 practice location in Eau Claire, WI. Call before your visit to confirm the address.
What is Janna Baker's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Janna Baker accept Medicare assignment?
Yes. Medicare's clinician data says Janna Baker 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 Janna Baker offer telehealth?
Medicare's clinician data says Janna Baker offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Janna Baker?
(715) 838-5222, as listed in official Medicare / NPI Registry data.
What is Janna Baker's NPI number?
1831401942. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Janna Baker works

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

Group practices

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

  • Mayo Clinic Health System-Northwest Wisconsin Region Inc802 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Wisconsin →

Other nurse practitioners in Eau Claire

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

All nurse practitioners in Eau Claire →

Clinician information

CredentialNP
Graduation year2010
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1831401942
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