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Internal Medicine

Guenther E. Muens, MD

Works at hospitals in Quincy, WA · Washington

Summary

Guenther E. Muens, MD (Internal Medicine) is listed by Medicare at 1 hospital in Quincy, WA. NPI 1295779494. 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 Guenther E. Muens, 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
YesAccepts Medicare assignment
39Years since medical school (graduated 1987)
MaleGender (as listed)
Kaiser Foundation Health Plan of WashingtonGroup practice

Quick answers

Which hospitals does Guenther E. Muens work at?
Medicare's official clinician data lists Guenther E. Muens at 1 hospital: Quincy Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Guenther E. Muens see patients?
Medicare's clinician data lists 1 practice location in Silverdale, WA. Call before your visit to confirm the address.
What is Guenther E. Muens's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Guenther E. Muens accept Medicare assignment?
Yes. Medicare's clinician data says Guenther E. Muens 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 Guenther E. Muens?
(360) 307-7300, as listed in official Medicare / NPI Registry data.
What is Guenther E. Muens's NPI number?
1295779494. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Guenther E. Muens works

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

Group practices

Medicare enrollment lists Guenther E. Muens as a member of this group (CMS data updated 2026-10-02).

  • Kaiser Foundation Health Plan of Washington1,526 clinicians in the group

Specialties

Find other Internal Medicine doctors in Washington →

Other internal medicine doctors in Silverdale

Clinicians with the same Medicare primary specialty in Silverdale, WA — not a recommendation.

All internal medicine doctors in Silverdale →

Clinician information

CredentialMD
Graduation year1987
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1295779494
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