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Clinical Social Worker

Stephen Willmer, CSW

Sees patients in Meridian, ID · Bozeman, MT · Midvale, UT … · Idaho, Montana, Utah

Summary

Stephen Willmer, CSW (Clinical Social Worker) is enrolled with Medicare at 4 practice locations in Meridian, ID, Bozeman, MT and Midvale, UT and other places. NPI 1699088492. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Stephen Willmer, 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

Clinical Social WorkerPrimary specialty
YesAccepts Medicare assignment
22Years since medical school (graduated 2004)
MaleGender (as listed)
Sondermind Provider Network LLCGroup practice

Quick answers

Where does Stephen Willmer see patients?
Medicare's clinician data lists 4 practice locations, including Meridian, ID, Bozeman, MT and Midvale, UT. Call before your visit to confirm the address.
What is Stephen Willmer's specialty?
Medicare lists Clinical Social Worker as the primary specialty.
Does Stephen Willmer accept Medicare assignment?
Yes. Medicare's clinician data says Stephen Willmer 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 Stephen Willmer?
(866) 630-0966, as listed in official Medicare / NPI Registry data.
What is Stephen Willmer's NPI number?
1699088492. 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 Stephen Willmer is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Sondermind Provider Network LLC1,339 clinicians in the group

Specialties

Find other clinicians: Clinical Social Worker, Idaho →

Other clinical social workers in Meridian

Clinicians with the same Medicare primary specialty in Meridian, ID — not a recommendation.

All clinical social workers in Meridian →

Clinician information

CredentialCSW
Graduation year2004
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1699088492
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