Individual provider Active NPI

Stephen O Sills

  • Anesthesiology Physician
  • Kirkland, WA
National Provider Identifier
1538502844
Registry record updated Mar 17, 2018
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
MD60747544 Issued in WA
Practice address
12040 NE 128TH St
Kirkland, WA 98034-3013
Phone
(425) 899-1000
NPI assigned
Apr 17, 2013
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 17, 2018

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Anesthesiology Physician 207L00000X MD60747544 WA Primary

Addresses

Primary practice location

12040 NE 128TH St
Kirkland, WA 98034-3013

Mailing address

12040 NE 128TH St
Kirkland, WA 98034-3013
Phone (425) 899-1000

Other practice location 1

925 Seneca St
Seattle, WA 98101-2742
Phone (206) 583-6079

Other practice location 2

925 Seneca St
Seattle, WA 98101-2742
Phone (206) 583-6079

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
I20170425001616 WA Practitioner - Anesthesiology 5092957076 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
University of Mississippi School of Medicine, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Matrix Anesthesia, PSGroup PAC ID 3971403700, 87 clinicians
Franciscan Medical GroupGroup PAC ID 0547173866, 1,400 clinicians

Practice addresses (Care Compare)

1035 116TH Ave NE
Bellevue, WA 98004-4604
Phone (425) 688-5000

1717 S J St
Tacoma, WA 98405-4933
Phone (253) 426-6341

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD60747544WAMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Franciscan Medical Group CurrentSince Oct 1, 2025 Accepting new patients
Matrix Anesthesia, PS Anesthesiology CurrentSince May 1, 2017 Accepting new patients
Franciscan Medical Group Current Accepting new patients

Locations

1035 116th Ave NE
Bellevue, WA 98004
Phone (425) 451-4141

12040 NE 128th St
Kirkland, WA 98034
Phone (425) 899-1000

925 Seneca St
Seattle, WA 98101
Phone (206) 341-0860

1717 S J St
Tacoma, WA 98405
Phone (253) 426-4101

1812 S J St
Ste 120
Tacoma, WA 98405
Phone (253) 428-2200

Interoperability endpoints

  • Direct secure messaging: stephen.sills@direct.vmmc.org
  • Direct secure messaging: ssills912578@fhsce.catholichealth.net

Organizations & group practices 3

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 1

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": "1366156800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1521244800000",
    "number": "1538502844",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12040 NE 128TH ST",
            "city": "KIRKLAND",
            "state": "WA",
            "postal_code": "980343013",
            "telephone_number": "425-899-1000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12040 NE 128TH ST",
            "city": "KIRKLAND",
            "state": "WA",
            "postal_code": "980343013",
            "telephone_number": "425-899-1000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "925 Seneca St",
            "address_purpose": "LOCATION",
            "city": "Seattle",
            "state": "WA",
            "postal_code": "981012742",
            "country_code": "US",
            "telephone_number": "206-583-6079",
            "fax_number": "206-341-1881",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "925 Seneca St",
            "address_purpose": "LOCATION",
            "city": "Seattle",
            "state": "WA",
            "postal_code": "981012742",
            "country_code": "US",
            "telephone_number": "206-583-6079",
            "fax_number": "206-341-1881",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SILLS",
        "first_name": "STEPHEN",
        "middle_name": "O",
        "name_prefix": "Dr.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2013-04-17",
        "last_updated": "2018-03-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "WA",
            "license": "MD60747544",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Kirkland, WA

Sources for this page

Verify at the official NPI Registry.