Individual provider Active NPI

William Slagle, MD

  • Emergency Medicine Physician
  • Tacoma, WA
National Provider Identifier
1043716418
Registry record updated Jan 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
MD61126162 Issued in WA
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

Updated by the provider on Jan 21, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
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

TypeEndpointUseAffiliation
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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230802001903 WA Practitioner - Emergency Medicine 9234486135 Reassigns benefits to 3 organizations

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
Franciscan Medical GroupGroup PAC ID 0547173866, 1,400 clinicians
Kaiser Foundation Health Plan of WashingtonGroup PAC ID 9032022579, 1,519 clinicians
Cep America LLCGroup PAC ID 6608056171, 995 clinicians

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 Hospital, Edmonds, WA, CCN 500026

Merit-based Incentive Payment System (MIPS)

Final score
87.3 of 100Reported as group
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

OrganizationSpecialtyStatusNew patients
Kaiser Foundation Health Plan of Washington CurrentSince Apr 16, 2024 Accepting new patients
Franciscan Medical Group CurrentSince Jan 1, 2026 Accepting new patients
Kaiser Foundation Health Plan of Washington CurrentSince Apr 16, 2024 Accepting new patients
Franciscan Medical Group CurrentSince Jan 1, 2026 Accepting new patients
Cep America LLC Emergency Medicine CurrentSince Jul 19, 2023 Accepting new patients
Cep America LLC Emergency Medicine CurrentSince Jul 19, 2023 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

  • Direct secure messaging: 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.

Hospital & facility affiliations 2

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": "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

Verify at the official NPI Registry.