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Diagnostic Radiology

Marc Koenig, MD

Works at hospitals in Medford, OR · Mission Hills, CA · Santa Rosa, CA … · Oregon, California

Summary

Marc Koenig, MD (Diagnostic Radiology) is listed by Medicare at 5 hospitals in Medford, OR, Mission Hills, CA and Santa Rosa, CA and other places. NPI 1164460358. 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 Marc Koenig, 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

Diagnostic RadiologyPrimary specialty
YesAccepts Medicare assignment
35Years since medical school (graduated 1991)
University Of Nebraska College Of MedicineMedical school
MaleGender (as listed)
Swedish Health ServicesGroup practice (+5 more)

Quick answers

Which hospitals does Marc Koenig work at?
Medicare's official clinician data lists Marc Koenig at 5 hospitals: Asante Rogue Regional Medical Center, Providence Holy Cross Medical Center, Providence Santa Rosa Memorial Hospital, Saint John's Health Center and Santa Clara Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Marc Koenig see patients?
Medicare's clinician data lists 11 practice locations, including Kirkland, WA, Wenatchee, WA and Everett, WA. Call before your visit to confirm the address.
What is Marc Koenig's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does Marc Koenig accept Medicare assignment?
Yes. Medicare's clinician data says Marc Koenig 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 Marc Koenig?
(425) 952-6100, as listed in official Medicare / NPI Registry data.
What is Marc Koenig's NPI number?
1164460358. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Marc Koenig works

Medicare's Facility Affiliation Data lists Marc Koenig 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 Marc Koenig is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 11; the Medicare profile lists all.

Group practices

Medicare enrollment lists Marc Koenig as a member of these groups (CMS data updated 2026-10-02).

  • Swedish Health Services1,037 clinicians in the group
  • County of Santa Clara1,022 clinicians in the group
  • Central Washington Health Services Association721 clinicians in the group
  • Radia Inc P S277 clinicians in the group
  • Swedish Health Services154 clinicians in the group
  • Radia California Radiology Medical Group Inc136 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Washington →

Other radiologists in Kirkland

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

All radiologists in Kirkland →

Clinician information

CredentialMD
Medical schoolUniversity Of Nebraska College Of Medicine
Graduation year1991
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1164460358
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