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Diagnostic Radiology

John McGowan, MD

Works at hospitals in Medford, OR · Post Falls, ID · Santa Rosa, CA … · Oregon, Idaho, California, Washington

Summary

John McGowan, MD (Diagnostic Radiology) is listed by Medicare at 5 hospitals in Medford, OR, Post Falls, ID and Santa Rosa, CA and other places. NPI 1962480897. 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 John McGowan, 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
28Years since medical school (graduated 1998)
Creighton University School Of MedicineMedical school
MaleGender (as listed)
Swedish Health ServicesGroup practice (+5 more)

Quick answers

Which hospitals does John McGowan work at?
Medicare's official clinician data lists John McGowan at 5 hospitals: Asante Rogue Regional Medical Center, Northwest Specialty Hospital, Providence Santa Rosa Memorial Hospital, Swedish Medical Center and Swedish Medical Center / Cherry Hill. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John McGowan see patients?
Medicare's clinician data lists 18 practice locations, including Boerne, TX, Kirkland, WA and Seattle, WA. Call before your visit to confirm the address.
What is John McGowan's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does John McGowan accept Medicare assignment?
Yes. Medicare's clinician data says John McGowan 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 John McGowan?
(425) 563-1500, as listed in official Medicare / NPI Registry data.
What is John McGowan's NPI number?
1962480897. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John McGowan works

Medicare's Facility Affiliation Data lists John McGowan 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 John McGowan is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 18; the Medicare profile lists all.

Group practices

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

  • Swedish Health Services1,037 clinicians in the group
  • Optum Care Washington PLLC683 clinicians in the group
  • Swedish Health Services385 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 Texas →

Other radiologists in Boerne

Clinicians with the same Medicare primary specialty in Boerne, TX — not a recommendation.

All radiologists in Boerne →

Clinician information

CredentialMD
Medical schoolCreighton University School Of Medicine
Graduation year1998
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1962480897
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