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Certified Clinical Nurse Specialist (CNS)

Janet R. Merrell, CNS

Works at hospitals in Centralia, IL · Illinois

Summary

Janet R. Merrell, CNS (Certified Clinical Nurse Specialist (CNS)) is listed by Medicare at 1 hospital in Centralia, IL. NPI 1447222419. 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 Janet R. Merrell, 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

Certified Clinical Nurse Specialist (CNS)Primary specialty
YesAccepts Medicare assignment
26Years since medical school (graduated 2000)
FemaleGender (as listed)
Physician Services Corporation of Southern Illinois IncGroup practice

Quick answers

Which hospitals does Janet R. Merrell work at?
Medicare's official clinician data lists Janet R. Merrell at 1 hospital: SSM Health St Mary's Hospital -Centralia. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Janet R. Merrell see patients?
Medicare's clinician data lists 2 practice locations, including Centralia, IL and Mount Vernon, IL. Call before your visit to confirm the address.
What is Janet R. Merrell's specialty?
Medicare lists Certified Clinical Nurse Specialist (CNS) as the primary specialty.
Does Janet R. Merrell accept Medicare assignment?
Yes. Medicare's clinician data says Janet R. Merrell 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 Janet R. Merrell?
(618) 436-8725, as listed in official Medicare / NPI Registry data.
What is Janet R. Merrell's NPI number?
1447222419. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Janet R. Merrell works

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

Group practices

Medicare enrollment lists Janet R. Merrell as a member of this group (CMS data updated 2026-10-02).

  • Physician Services Corporation of Southern Illinois Inc120 clinicians in the group

Specialties

Find other clinicians: Certified Clinical Nurse Specialist (CNS), Illinois →

Other clinical nurse specialists in Illinois

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

All clinical nurse specialists in Illinois →

Clinician information

CredentialCNS
Graduation year2000
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1447222419
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