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Diagnostic Radiology

David Timm, MD

Works at hospitals in Gilbert, AZ · Bellevue, WA · Vancouver, WA … · Arizona, Washington, California

Summary

David Timm, MD (Diagnostic Radiology) is listed by Medicare at 5 hospitals in Gilbert, AZ, Bellevue, WA and Vancouver, WA and other places. NPI 1114121746. 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 David Timm, 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
21Years since medical school (graduated 2005)
MaleGender (as listed)
Swedish Health ServicesGroup practice (+5 more)

Quick answers

Which hospitals does David Timm work at?
Medicare's official clinician data lists David Timm at 5 hospitals: Banner Gateway Medical Center, Overlake Hospital Medical Center & Clinics, PeaceHealth Southwest Medical Cente, Providence Santa Rosa Memorial Hospital and Providence St Peter Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does David Timm see patients?
Medicare's clinician data lists 12 practice locations, including Bellevue, WA, Everett, WA and Whitefish, MT. Call before your visit to confirm the address.
What is David Timm's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does David Timm accept Medicare assignment?
Yes. Medicare's clinician data says David Timm 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 David Timm?
(800) 979-8982, as listed in official Medicare / NPI Registry data.
What is David Timm's NPI number?
1114121746. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where David Timm works

Medicare's Facility Affiliation Data lists David Timm 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 David Timm is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 12; the Medicare profile lists all.

Group practices

Medicare enrollment lists David Timm 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
  • Optum Care Washington PLLC683 clinicians in the group
  • Radia Inc P S277 clinicians in the group
  • Swedish Health Services154 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Washington →

Other radiologists in Bellevue

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

All radiologists in Bellevue →

Clinician information

CredentialMD
Graduation year2005
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1114121746
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