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

Mental Health Counselor

Katrina M. Flesvig

Sees patients in Glen Ellyn, IL · Illinois

Summary

Katrina M. Flesvig is a mental health counselor at 925 Winslow Cir, Glen Ellyn, IL 60137. Phone: (847) 986-5921. Accepts Medicare assignment. NPI 1821247180. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Mental health counselor
  • Address: 925 Winslow Cir, Glen Ellyn, IL 60137 · Directions
  • Phone: (847) 986‑5921
  • Medicare: Accepts Medicare assignment
  • School: graduated 2009
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Katrina M. Flesvig, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Katrina M. Flesvig accept Medicare assignment?
Yes. Medicare's clinician data says Katrina M. Flesvig accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Katrina M. Flesvig's NPI number?
1821247180. 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 Katrina M. Flesvig is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other clinicians: Mental Health Counselor, Illinois →

Other mental health counselors in Glen Ellyn

Clinicians with the same Medicare primary specialty in Glen Ellyn, IL — not a recommendation.

All mental health counselors in Glen Ellyn →

Clinician information

Graduation year2009
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821247180
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 October 2, 2026, retrieved October 29, 2026
  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