Active NPI
Marc G. Koenig Sr., MD
- Diagnostic Radiology Physician
- Lynnwood, WA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Diagnostic Radiology Physician
- License
- MD60320843
- 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, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 2023776 | Medicaid | WA | |
| 308619 | Other | WA | LNI PROVIDER ID |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NE, WA, CA, MI
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 4
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
- Central Washington Health Services AssociationCounty of Santa Clara
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
| License | State | Type | Specialty |
|---|---|---|---|
| EMC0001580 | MI | MD | Diagnostic Radiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Advanced Imaging of South Bay, Inc. | Diagnostic Radiology | Current | Accepting new patients |
| Tower Imaging Medical Associates, Inc. | Diagnostic Radiology | Current | Accepting new patients |
| County of Santa Clara | Current | Accepting new patients | |
| Radia Oregon Radiology Medical Group LLC | Diagnostic Radiology | Current | Accepting new patients |
| Swedish Health Services | Current | Accepting new patients | |
| Swedish Radia Imaging Center at Edmonds LLC | Diagnostic Radiology | Current | Accepting new patients |
| University of California San Francisco | Diagnostic Radiology | Current | Accepting new patients |
| Okanogan County Public Hospital Dist No 4 | Current | Accepting new patients | |
| UCSF Medical Group Business Services | Current | Accepting new patients | |
| Okanogan County Public Hospital District No. 3 | Current | Accepting new patients | |
| Msu Health Care Inc. | Diagnostic Radiology | Current | Accepting new patients |
| Medford Radiological Group, PC | Diagnostic Radiology | Current | Accepting new patients |
| UCSF Medical Group Business Services | Current | Accepting new patients | |
| Swedish Health Services | Current | Accepting new patients | |
| Public Hospital District No 4 King County Washington | Current | Accepting new patients | |
| County of Santa Clara | Current | Accepting new patients | |
| Swedish Health Services | Current | Accepting new patients | |
| County of Santa Clara | Current | Accepting new patients | |
| Radia Imaging Center Holdings LLC | Diagnostic Radiology | Current | Accepting new patients |
| University of California San Francisco | Current | Accepting new patients | |
| Wenatchee Valley Hospital | Current | Accepting new patients | |
| Msu Health Care Inc. | Current | Accepting new patients | |
| Swedish Health Services | Current | 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 | Current | Accepting new patients |
| Okanogan County Public Hospital Dist No 4 | Current | Accepting new patients | |
| Central Washington Health Services Association | Current | Accepting new patients | |
| Okanogan County Public Hospital Dist No 4 | Current | Accepting new patients | |
| Swedish Health Services | Current | Accepting new patients | |
| University of California San Francisco | Current | Accepting new patients | |
| Central Washington Health Services Association | Current | Accepting new patients | |
| County of Santa Clara | Current | Accepting new patients | |
| Public Hospital District No 4 King County Washington | Current | Accepting new patients | |
| South Sound Radiologists Inc P S | Diagnostic Radiology | Current | Accepting new patients |
| County of Santa Clara | Current | Accepting new patients | |
| Evergreen Radia LLC | Diagnostic Radiology | Current | Accepting new patients |
| Radia Inc P S | Diagnostic Radiology | Current | Accepting new patients |
| Premier Radiology Services, PC | Past | 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 | Past | 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 | Past | 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.
-
dba Mid-Valley Hospital
- Critical Access Hospital
- Omak, WA
- NPI 1255387403
-
dba Snoqualmie Valley Hospital
- Critical Access Hospital
- Snoqualmie, WA
- NPI 1902846546
-
dba South Sound Radiology
- Diagnostic Radiology Physician
- Olympia, WA
- NPI 1902990500
-
dba Swedish Imaging Clinics
- Body Imaging Physician
- Everett, WA
- NPI 1114356904
-
- Internal Medicine Physician
- Seattle, WA
- NPI 1689612954
-
dba Radia California
- Diagnostic Radiology Physician
- Santa Rosa, CA
- NPI 1740982032
NE
-
dba Radia Oregon
- Diagnostic Radiology Physician
- Medford, OR
- NPI 1073385423
NE
-
- Diagnostic Radiology Physician
- Los Angeles, CA
- NPI 1023315074
NE
-
dba Confluence Health
- Emergency Medical Services (Emergency Medicine) Physician
- Wenatchee, WA
- NPI 1801937453
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Asante Rogue Regional Medical Center
- General Acute Care Hospital
- Medford, OR
- NPI 1770587107
-
dba Inpatient Acute/Outpatient Facility Services
- General Acute Care Hospital
- San Jose, CA
- NPI 1063406551
-
dba Providence Holy Cross Medical Center
- General Acute Care Hospital
- Mission Hills, CA
- NPI 1477587632
-
- General Acute Care Hospital
- Santa Monica, CA
- NPI 1124026273
-
dba Providence Santa Rosa Memorial Hospital
- General Acute Care Hospital
- Santa Rosa, CA
- NPI 1134152549
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 23, 2026; 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.