Individual Healthcare Provider
David Donald Timm, M.D.
Provider's NPPES record last updated: December 24, 2025
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1114121746
- Primary Specialty
- Radiology — Diagnostic Radiology
- Practice Location
- Iron Mountain, Michigan
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 20, 2026, 10:18 PM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Radiology
Diagnostic Radiology
Allopathic & Osteopathic Physicians
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Taxonomy code 2085R0202X
Provider-Reported License Information
- Radiology (Michigan)
- 4301099873
- Radiology (Washington)
- MD61635807
- Radiology (Hawaii)
- 14280
Practice Locations
Practice Location
1721 S Stephenson Ave
Iron Mountain, Michigan 49801-3637
Phone: (906) 774-1313
Additional Practice Location
3220 Discovery Dr Ste 100
Lansing, Michigan 48910-8609
Phone: (517) 975-8930
Fax: (517) 337-4985
Additional Practice Location
203 S Western Ave
Tonasket, Washington 98855-8803
Phone: (509) 486-2151
Fax: (509) 223-1640
Additional Practice Location
4660 S Hagadorn Rd Ste 510
East Lansing, Michigan 48823-6805
Phone: (517) 884-7450
Fax: (517) 884-7460
Additional Practice Location
4660 S Hagadorn Rd Ste 410
East Lansing, Michigan 48823-6819
Phone: (517) 884-6132
Fax: (517) 884-6236
Record Information
- Enumeration Date
- June 14, 2007
- Provider's NPPES Record Last Updated
- December 24, 2025
- Certification Date
- December 24, 2025
- NPISignal NPPES Dataset
- August 2026
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