David Donald Timm, M.D.

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

4301099873 Issued in MI

Practice address

1721 S Stephenson Ave
Iron Mountain, MI 49801-3637

Phone

(906) 774-1313

NPI assigned

Jun 14, 2007

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in MI, MT, WA, CA4 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 4

Specialty

Diagnostic Radiology

Education

Other, 2005

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Radia Oregon Radiology Medical Group LLCGroup PAC ID 2961852637, 122 clinicians

Central Washington Health Services AssociationGroup PAC ID 4880504596, 708 clinicians

Swedish Health ServicesGroup PAC ID 3173433067, 156 clinicians

Radia California Radiology Medical Group IncGroup PAC ID 8921465998, 134 clinicians

Radia Inc P SGroup PAC ID 9931012812, 275 clinicians

Okanogan County Public Hospital Dist No 4Group PAC ID 9335051150, shared by 4 NPIs, 43 clinicians

Optum Care Washington PLLCGroup PAC ID 6406752153, 684 clinicians

Swedish Health ServicesGroup PAC ID 0244138196, 1,038 clinicians

County of Santa ClaraGroup PAC ID 1254244973, 1,000 clinicians

Okanogan County Public Hospital District No. 3Group PAC ID 6800707951, 89 clinicians

Public Hospital District No 4 King County WashingtonGroup PAC ID 6002700861, 85 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Providence St Peter Hospital Hospital, Olympia, WA, CCN 500024
• Providence Santa Rosa Memorial Hospital Hospital, Santa Rosa, CA, CCN 050174
• Banner Gateway Medical Center Hospital, Gilbert, AZ, CCN 030122
• Peacehealth Southwest Medical Cente Hospital, Vancouver, WA, CCN 500050
• Providence Regional Medical Center Everett Hospital, Everett, WA, CCN 500014

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations (25 of 30)

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Central Washington Health Services Association

  • General Acute Care Hospital
  • Wenatchee, WA
  • NPI 1881642239

  MT

  Medicare reassignment Care Compare group NPD
• County of Santa Clara

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • San Jose, CA
  • NPI 1699885079
  Medicare reassignment Care Compare group NPD
• Okanogan County Public Hospital District No. 3

  • Critical Access Hospital
  • Omak, WA
  • NPI 1255387403
  Medicare reassignment Care Compare group NPD
• Optum Care Washington PLLC

  • Multi-Specialty Clinic/Center
  • Everett, WA
  • NPI 1831186766

  Family Medicine

  Medicare reassignment Care Compare group NPD
• Public Hospital District No 4 King County Washington

  • Critical Access Hospital
  • Snoqualmie, WA
  • NPI 1902846546
  Medicare reassignment Care Compare group NPD
• Radia California Radiology Medical Group Inc

  • Diagnostic Radiology Physician
  • Santa Rosa, CA
  • NPI 1740982032

  MT

  Medicare reassignment Care Compare group NPD
• Radia Inc P S

  • Diagnostic Radiology Physician
  • Lynnwood, WA
  • NPI 1932196607

  MT

  Medicare reassignment Care Compare group NPD
• Radia Oregon Radiology Medical Group LLC

  • Diagnostic Radiology Physician
  • Medford, OR
  • NPI 1073385423

  MT

  Medicare reassignment Care Compare group NPD
• Swedish Health Services

  • Body Imaging Physician
  • Everett, WA
  • NPI 1114356904
  Medicare reassignment Care Compare group NPD
• Swedish Health Services

  • Internal Medicine Physician
  • Seattle, WA
  • NPI 1689612954
  Medicare reassignment Care Compare group NPD
• Msu Health Care Inc

  • Allergy & Immunology Physician
  • East Lansing, MI
  • NPI 1700418670
  Medicare reassignment NPD
• Radiology Associates of Iron Mountain P L C

  • Diagnostic Radiology Physician
  • Iron Mountain, MI
  • NPI 1154400935
  Medicare reassignment NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Banner Gateway Medical Center

  • General Acute Care Hospital
  • Gilbert, AZ
  • NPI 1699884858
  Care Compare affiliation
• Peacehealth

  • Cardiovascular Disease Physician
  • Vancouver, WA
  • NPI 1003194911

  Hospital

  Care Compare affiliation
• Peacehealth

  • General Acute Care Hospital
  • Vancouver, WA
  • NPI 1134178999
  Care Compare affiliation
• Providence Health & Services Washington

  • General Acute Care Hospital
  • Olympia, WA
  • NPI 1346250594
  Care Compare affiliation
• Providence Health & Services Washington

  • General Acute Care Hospital
  • Olympia, WA
  • NPI 1619176997
  Care Compare affiliation
• Providence Health & Services-Wa

  • Hospitalist Physician
  • Everett, WA
  • NPI 1649615220
  Care Compare affiliation
• Providence Health & Services-Wa

  • General Acute Care Hospital
  • Everett, WA
  • NPI 1700037801
  Care Compare affiliation
• St. Joseph Health Northern California, LLC

  • General Acute Care Hospital
  • Santa Rosa, CA
  • NPI 1134152549
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1181779200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766534400000",
    "number": "1114121746",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1721 S STEPHENSON AVE",
            "city": "IRON MOUNTAIN",
            "state": "MI",
            "postal_code": "498013637",
            "telephone_number": "906-774-1313"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1721 S STEPHENSON AVE",
            "city": "IRON MOUNTAIN",
            "state": "MI",
            "postal_code": "498013637",
            "telephone_number": "906-774-1313"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3220 Discovery Dr Ste 100",
            "address_purpose": "LOCATION",
            "city": "Lansing",
            "state": "MI",
            "postal_code": "489108609",
            "country_code": "US",
            "telephone_number": "517-975-8930",
            "fax_number": "517-337-4985",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "203 S Western Ave",
            "address_purpose": "LOCATION",
            "city": "Tonasket",
            "state": "WA",
            "postal_code": "988558803",
            "country_code": "US",
            "telephone_number": "509-486-2151",
            "fax_number": "509-223-1640",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4660 S Hagadorn Rd Ste 510",
            "address_purpose": "LOCATION",
            "city": "East Lansing",
            "state": "MI",
            "postal_code": "488236805",
            "country_code": "US",
            "telephone_number": "517-884-7450",
            "fax_number": "517-884-7460",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4660 S Hagadorn Rd Ste 410",
            "address_purpose": "LOCATION",
            "city": "East Lansing",
            "state": "MI",
            "postal_code": "488236819",
            "country_code": "US",
            "telephone_number": "517-884-6132",
            "fax_number": "517-884-6236",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TIMM",
        "first_name": "DAVID",
        "middle_name": "DONALD",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-06-14",
        "last_updated": "2025-12-24",
        "certification_date": "2025-12-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "MI",
            "license": "4301099873",
            "primary": true
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "WA",
            "license": "MD61635807",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "HI",
            "license": "14280",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Karen Ann Thekan, LMSW
• Alison Thies, MSW
• Robert John Thompson, CRNA
• Lacy Tibbs
• Heather Ann Tienor
• John Stuart To, MD
• Nichole Lee Toll, LPN
• Andrew James Tomlinson, LMSW
• Total Health Zone SC
• Eric William Toth, D.O.

• Diagnostic Radiology Physician in Iron Mountain, MI
• Providers in Iron Mountain, MI by specialty
• Diagnostic Radiology Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 24, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.