Active NPI
William Slagle, MD
- Emergency Medicine Physician
- Tacoma, WA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- MD61126162
- Practice address
- 2420 S State St
Tacoma, WA 98405-2845 - Phone
- (510) 867-2515
- Fax
- (510) 867-2515
- NPI assigned
- Apr 3, 2018
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Emergency Medicine Physician | 207P00000X | MD61126162 | WA | Primary |
Addresses
Primary practice location
2420 S State St
Tacoma, WA 98405-2845
Mailing address
2420 S State St
Tacoma, WA 98405-2845
Phone (510) 867-2515
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| SOAP URL | https://careepicwa.kp.org:14430/Interconnect-CE-PRD/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ceq | Health Information Exchange (HIE) |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in WA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Emergency Medicine
- Education
- Other, 2018
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
1812 S J St
Suite 120
Tacoma, WA 98405-4965
Phone (253) 428-2200
209 Martin Luther King Jr Way
Tacoma, WA 98405-4265
Phone (253) 596-3300
21601 76TH Ave W
Edmonds, WA 98026-7507
Phone (425) 640-4100
Hospital & facility affiliations
- Swedish Edmonds Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 87.3 of 100
- Quality
- 70.94
- Improvement activities
- 40
- Cost
- 92.94
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Kaiser Foundation Health Plan of Washington | Current | Accepting new patients | |
| Franciscan Medical Group | Current | Accepting new patients | |
| Kaiser Foundation Health Plan of Washington | Current | Accepting new patients | |
| Franciscan Medical Group | Current | Accepting new patients | |
| Cep America LLC | Emergency Medicine | Current | Accepting new patients |
| Cep America LLC | Emergency Medicine | Current | Accepting new patients |
| Kaiser Foundation Health Plan of Washington | Current | Accepting new patients | |
| Franciscan Medical Group | Past | Accepting new patients |
Locations
1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423
21601 76th Ave W
Edmonds, WA 98026
Phone (425) 640-4000
200 15th Ave E
Seattle, WA 98112
Phone (206) 326-4530
209 Martin Luther King Jr Way
Tacoma, WA 98405
Phone (253) 596-3300
2420 S State St
Tacoma, WA 98405
Phone (253) 426-4000
1812 S J St
Ste 120
Tacoma, WA 98405
Phone (253) 428-2200
9505 S Steele St
Tacoma, WA 98444
Phone (253) 597-6800
Interoperability endpoints
- wslagle4374699@ghc.direct-ci.net
Organizations & group practices 9
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.
-
- Emergency Medicine Physician
- Edmonds, WA
- NPI 1447484274
-
- Multi-Specialty Clinic/Center
- Seattle, WA
- NPI 1396810701
-
- Orthopaedic Surgery Physician
- Silverdale, WA
- NPI 1093165334
-
- Family Medicine Physician
- Tacoma, WA
- NPI 1366539421
-
- Anesthesiology Physician
- Tacoma, WA
- NPI 1831358282
-
- Multi-Specialty Clinic/Center
- Renton, WA
- NPI 1124264577
-
- Multi-Specialty Clinic/Center
- Everett, WA
- NPI 1386935351
-
- Emergency Medicine Physician
- Fort Lauderdale, FL
- NPI 1700747946
-
- Family Medicine Physician
- Gig Harbor, WA
- NPI 1386602555
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Edmonds, WA
- NPI 1033107214
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1522713600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1768953600000",
"number": "1043716418",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2420 S STATE ST",
"city": "TACOMA",
"state": "WA",
"postal_code": "984052845",
"telephone_number": "510-867-2515",
"fax_number": "510-867-2515"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2420 S STATE ST",
"city": "TACOMA",
"state": "WA",
"postal_code": "984052845",
"telephone_number": "510-867-2515",
"fax_number": "510-867-2515"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SLAGLE",
"first_name": "WILLIAM",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2018-04-03",
"last_updated": "2026-01-21",
"certification_date": "2026-01-21",
"status": "A"
},
"taxonomies": [
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "WA",
"license": "MD61126162",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "SOAP",
"endpointTypeDescription": "SOAP URL",
"endpoint": "https://careepicwa.kp.org:14430/Interconnect-CE-PRD/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ceq",
"affiliation": "N",
"endpointDescription": "Carequality",
"use": "HIE",
"useDescription": "Health Information Exchange (HIE)",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "C-CDA",
"address_1": "209 Martin Luther King Jr Way",
"city": "Tacoma",
"state": "WA",
"country_code": "US",
"postal_code": "984054265",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Tacoma, WA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 21, 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.