Individual provider Active NPI

Marc G. Koenig Sr., MD

  • Diagnostic Radiology Physician
  • Lynnwood, WA
National Provider Identifier
1164460358
Registry record updated Feb 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
MD60320843 Issued in WA
Practice address
19020 33Rd Ave W
Suite 210
Lynnwood, WA 98036-4746
Phone
(425) 563-1500
Fax
(425) 563-1374
NPI assigned
Jun 2, 2006
Last updated
Feb 23, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 23, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X MD60320843 WA Primary
Diagnostic Radiology Physician 2085R0202X EMC0001580 MI

Addresses

Primary practice location

19020 33Rd Ave W
Suite 210
Lynnwood, WA 98036-4746

Mailing address

19020 33Rd Ave W Ste 210
Lynnwood, WA 98036-4748
Phone (425) 563-1500

Other practice location 1

4660 S Hagadorn Rd Ste 510
East Lansing, MI 48823-6805
Phone (517) 353-5053

Other practice location 2

4660 S Hagadorn Rd Ste 410
East Lansing, MI 48823-6819
Phone (517) 353-5053

Other practice location 3

3220 Discovery Dr Ste 100
Lansing, MI 48910-8609
Phone (517) 975-8930

Other practice location 4

203 S Western Ave
Tonasket, WA 98855-8803
Phone (509) 486-2151

Other identifiers 2

IdentifierTypeStateIssuer
2023776MedicaidWA
308619OtherWALNI PROVIDER ID

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NE, WA, CA, MI4 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

Enrollment IDStateProvider typePAC IDDetails
I20070619000195 NE Practitioner - Diagnostic Radiology 9931163276 Reassigns benefits to 7 organizations
I20130218000096 WA Practitioner - Diagnostic Radiology 9931163276 Reassigns benefits to 17 organizations
I20241004002171 CA Practitioner - Diagnostic Radiology 9931163276 Reassigns benefits to 5 organizations
I20250310000813 MI Practitioner - Diagnostic Radiology 9931163276 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
University of Nebraska College of Medicine, 1991
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Evergreen Radia LLCGroup PAC ID 4587568076, 116 clinicians
Central Washington Health Services AssociationGroup PAC ID 4880504596, shared by 25 NPIs, 708 clinicians
Swedish Health ServicesGroup PAC ID 3173433067, 156 clinicians
Medford Radiological Group PCGroup PAC ID 2062303324, 91 clinicians
South Sound Radiologists Inc P SGroup PAC ID 1254229305, 76 clinicians
Tower Imaging Medical Associates IncGroup PAC ID 2163608688, 93 clinicians
Radia Oregon Radiology Medical Group LLCGroup PAC ID 2961852637, 122 clinicians
Radia California Radiology Medical Group IncGroup PAC ID 8921465998, 134 clinicians
Radia Inc P SGroup PAC ID 9931012812, 275 clinicians
Swedish Health ServicesGroup PAC ID 0244138196, 1,038 clinicians
County of Santa ClaraGroup PAC ID 1254244973, shared by 46 NPIs, 1,000 clinicians

Practice addresses (Care Compare)

11521 NE 128TH St
Suite 200
Kirkland, WA 98034-4317
Phone (425) 952-6100

1201 S Miller St
Wenatchee, WA 98801-3201
Phone (509) 662-2208

13020 Meridian Ave S
Everett, WA 98208-6468
Phone (425) 357-3960

2025 Broadway E
Seattle, WA 98102-4133
Phone (541) 618-5800

3417 Ensign Rd NE
Olympia, WA 98506-5064
Phone (360) 493-4600

6333 Pomodoro CT
Lincoln, NE 68516-6821
Phone (323) 549-3030

747 Broadway
Seattle, WA 98122-4379
Phone (206) 386-6000

751 S Bascom Ave
San Jose, CA 95128-2604
Phone (408) 885-5000

810 Jasmine St
Omak, WA 98841-9578
Phone (509) 826-1760

9801 Frontier Ave SE
Snoqualmie, WA 98065-5200
Phone (425) 831-2313

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
EMC0001580MIMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Advanced Imaging of South Bay, Inc. Diagnostic Radiology CurrentSince Oct 27, 2024 Accepting new patients
Tower Imaging Medical Associates, Inc. Diagnostic Radiology CurrentSince Jun 18, 2024 Accepting new patients
County of Santa Clara CurrentSince Nov 18, 2024 Accepting new patients
Radia Oregon Radiology Medical Group LLC Diagnostic Radiology CurrentSince Jan 1, 2024 Accepting new patients
Swedish Health Services CurrentSince Sep 22, 2022 Accepting new patients
Swedish Radia Imaging Center at Edmonds LLC Diagnostic Radiology CurrentSince Dec 17, 2012 Accepting new patients
University of California San Francisco Diagnostic Radiology CurrentSince Sep 16, 2023 Accepting new patients
Okanogan County Public Hospital Dist No 4 CurrentSince Jan 1, 2026 Accepting new patients
UCSF Medical Group Business Services CurrentSince Sep 16, 2024 Accepting new patients
Okanogan County Public Hospital District No. 3 CurrentSince Jul 16, 2014 Accepting new patients
Msu Health Care Inc. Diagnostic Radiology CurrentSince Mar 1, 2025 Accepting new patients
Medford Radiological Group, PC Diagnostic Radiology CurrentSince Jun 29, 2024 Accepting new patients
UCSF Medical Group Business Services CurrentSince Sep 16, 2024 Accepting new patients
Swedish Health Services CurrentSince Sep 22, 2022 Accepting new patients
Public Hospital District No 4 King County Washington CurrentSince May 5, 2015 Accepting new patients
County of Santa Clara Current Accepting new patients
Swedish Health Services CurrentSince Jul 7, 2016 Accepting new patients
County of Santa Clara CurrentSince Nov 18, 2024 Accepting new patients
Radia Imaging Center Holdings LLC Diagnostic Radiology CurrentSince Jan 1, 2019 Accepting new patients
University of California San Francisco CurrentSince Sep 16, 2023 Accepting new patients
Wenatchee Valley Hospital CurrentSince Jul 21, 2013 Accepting new patients
Msu Health Care Inc. CurrentSince Mar 1, 2025 Accepting new patients
Swedish Health Services CurrentSince Jul 7, 2016 Accepting new patients
County of Santa Clara Current Accepting new patients
Msu Health Care Inc Current Accepting new patients
Radia California Radiology Medical Group Inc Diagnostic Radiology CurrentSince Jan 14, 2024 Accepting new patients
Okanogan County Public Hospital Dist No 4 CurrentSince Oct 22, 2018 Accepting new patients
Central Washington Health Services Association Current Accepting new patients
Okanogan County Public Hospital Dist No 4 CurrentSince Oct 22, 2018 Accepting new patients
Swedish Health Services CurrentSince Jul 7, 2016 Accepting new patients
University of California San Francisco Current Accepting new patients
Central Washington Health Services Association CurrentSince Sep 1, 2022 Accepting new patients
County of Santa Clara CurrentSince Nov 18, 2024 Accepting new patients
Public Hospital District No 4 King County Washington CurrentSince May 5, 2015 Accepting new patients
South Sound Radiologists Inc P S Diagnostic Radiology CurrentSince Jun 1, 2019 Accepting new patients
County of Santa Clara CurrentSince Nov 18, 2024 Accepting new patients
Evergreen Radia LLC Diagnostic Radiology CurrentSince Dec 17, 2012 Accepting new patients
Radia Inc P S Diagnostic Radiology CurrentSince Dec 17, 2012 Accepting new patients
Premier Radiology Services, PC PastSince Nov 1, 2008 Accepting new patients
Public Hospital District No 4, King County Wa Past Accepting new patients
Plains Radiology Services LLC Diagnostic Radiology Past Accepting new patients
Lincoln Radiology Group P C Diagnostic Radiology PastSince Oct 4, 2020 Accepting new patients
Great Plains Radiology LLC Diagnostic Radiology Past Accepting new patients
Everett Radia LLC Diagnostic Radiology Past Accepting new patients
Lincoln Radiology LLC Diagnostic Radiology PastSince Mar 1, 2007 Accepting new patients

Locations (25 of 52)

1900 N Higley Rd
Gilbert, AZ 85234
Phone (480) 543-2000

37000 N Gantzel Rd
San Tan Valley, AZ 85140
Phone (480) 394-4000

7475 Camino Arroyo
Gilroy, CA 95020
Phone (408) 852-2400

Dept LA 21552
Pasadena, CA 91185

2330 Post St
San Francisco, CA 94115
Phone (415) 502-4444

400 Parnassus Ave
#A632
San Francisco, CA 94143
Phone (415) 473-1000

1993 McKee Rd
San Jose, CA 95116
Phone (408) 254-6320

1996 Lundy Ave
San Jose, CA 95131
Phone (408) 299-5846

2101 Alexian Dr
San Jose, CA 95116
Phone (408) 272-6050

500 Tully Rd
San Jose, CA 95111
Phone (408) 817-1433

750 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-2320

751 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-5110

1328 22nd St
Santa Monica, CA 90404
Phone (310) 829-5511

121 Sotoyome St
Santa Rosa, CA 95405
Phone (707) 546-3141

660 S Fair Oaks Ave
Sunnyvale, CA 94086
Phone (408) 885-7366

4660 S Hagadorn Rd
Ste 410
East Lansing, MI 48823
Phone (517) 884-6132

4660 S Hagadorn Rd
Ste 500
East Lansing, MI 48823
Phone (517) 432-6144

4660 S Hagadorn Rd
Ste 510
East Lansing, MI 48823
Phone (517) 884-7450

804 Service Rd
Ste A202
East Lansing, MI 48824
Phone (517) 884-2976

3220 Discovery Dr
Ste 100
Lansing, MI 48910
Phone (517) 975-8930

945 Hildebrand Ln NE
Ste 100
Bainbridge Island, WA 98110
Phone (206) 855-7700

303 Cottage Ave
Cashmere, WA 98815
Phone (509) 782-1541

80 N Main St
Coupeville, WA 98239
Phone (360) 378-4424

21700 Highway 99
Edmonds, WA 98026
Phone (425) 640-4949

7320 216th St SW
Ste 310
Edmonds, WA 98026
Phone (425) 673-3800

Organizations & group practices 45

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

View all 45

Hospital & facility affiliations 5

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

NPI Registry JSON

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

{
    "created_epoch": "1149206400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771804800000",
    "number": "1164460358",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "19020 33RD AVE W STE 210",
            "city": "LYNNWOOD",
            "state": "WA",
            "postal_code": "980364748",
            "telephone_number": "425-563-1500",
            "fax_number": "425-563-1374"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "19020 33RD AVE W",
            "address_2": "SUITE 210",
            "city": "LYNNWOOD",
            "state": "WA",
            "postal_code": "980364746",
            "telephone_number": "425-563-1500",
            "fax_number": "425-563-1374"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4660 S Hagadorn Rd Ste 510",
            "address_purpose": "LOCATION",
            "city": "East Lansing",
            "state": "MI",
            "postal_code": "488236805",
            "country_code": "US",
            "telephone_number": "517-353-5053",
            "fax_number": "517-884-7640",
            "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": "517-353-5053",
            "fax_number": "517-884-7640",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "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"
        }
    ],
    "basic": {
        "last_name": "KOENIG",
        "first_name": "MARC",
        "middle_name": "G.",
        "name_prefix": "Dr.",
        "name_suffix": "Sr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-02",
        "last_updated": "2026-02-23",
        "certification_date": "2026-02-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "WA",
            "license": "MD60320843",
            "primary": true
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "MI",
            "license": "EMC0001580",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2023776",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LNI PROVIDER ID",
            "identifier": "308619",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Lynnwood, WA

Sources for this page

Verify at the official NPI Registry.