David Donald Timm, M.D.
NPI 1114121746ActiveIndividual· Radiology, Diagnostic Radiology· Iron Mountain, MI
Radiology, Diagnostic Radiology (M.D.) with Swedish Health Services and 10 other groups, practicing in Iron Mountain, Michigan. Medicare paid $56,807 for services to 1,448 patients in 2024. Lists Banner Gateway Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1114121746 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 14, 2007 |
| Last updated in NPPES | Dec 24, 2025 |
| Certified by provider | Dec 24, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | 4301099873 | MI |
| Radiology, Diagnostic Radiology | 2085R0202X | MD61635807 | WA |
| Radiology, Diagnostic Radiology | 2085R0202X | 14280 | HI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Diagnostic Radiology (CA); Practitioner - Diagnostic Radiology (MI); Practitioner - Diagnostic Radiology (MT); Practitioner - Diagnostic Radiology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,448 |
|---|---|
| Services billed | 2,267 across 100 procedure codes |
| Paid by Medicare | $56,807 |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Diagnostic Radiology |
Medical groups
- Swedish Health ServicesSeattle, WA · 1,037 clinicians
- County of Santa ClaraSan Jose, CA · 1,022 clinicians
- Central Washington Health Services AssociationWenatchee, WA · 721 clinicians
- Optum Care Washington PLLCEverett, WA · 683 clinicians
- Radia Inc P SSeattle, WA · 277 clinicians
- Swedish Health ServicesEverett, WA · 154 clinicians
- Radia California Radiology Medical Group IncMarietta, OH · 136 clinicians
- Radia Oregon Radiology Medical Group LLCMarietta, OH · 121 clinicians
- Public Hospital District No 4 King County WashingtonSnoqualmie, WA · 92 clinicians
- Okanogan County Public Hospital District No. 3Omak, WA · 89 clinicians
- Okanogan County Public Hospital Dist No 4Tonasket, WA · 42 clinicians
Hospital affiliations
- Banner Gateway Medical CenterGilbert, AZ
- Overlake Hospital Medical Center & ClinicsBellevue, WA
- Peacehealth Southwest Medical CenteVancouver, WA
- Providence Santa Rosa Memorial HospitalSanta Rosa, CA
- Providence St Peter HospitalOlympia, WA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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