Individual provider Active NPI

Stuart Evan Sinoff, MD

  • Neurology Physician
  • Seattle, WA
National Provider Identifier
1659488989
Registry record updated Jan 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurology PhysicianTaxonomy code 2084N0400X
License
MD61133387 Issued in WA
Practice address
1600 E Jefferson St Ste 205
Seattle, WA 98122-5644
Phone
(206) 386-2700
Fax
(206) 386-2703
NPI assigned
Aug 24, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 28, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Neurology Physician 2084N0400X MD61133387 WA Primary
Neuro-ophthalmology Physician 207WX0109X MD61133387 WA

Addresses

Primary practice location

1600 E Jefferson St Ste 205
Seattle, WA 98122-5644

Mailing address

PO Box 25608
Salt Lake City, UT 84125-0608
Phone (206) 320-4476

Other identifiers 1

IdentifierTypeStateIssuer
2189324MedicaidWA

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
I20220303002557 WA Practitioner - NeurologyPractitioner - Other (Physician) 1052372539 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Neurology
Education
Georgetown University School of Medicine, 1983
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Swedish Health ServicesGroup PAC ID 0244138196, 1,038 clinicians

Practice addresses (Care Compare)

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

Hospital & facility affiliations

  • Swedish Medical Center / Cherry Hill Hospital, Seattle, WA, CCN 500025

Merit-based Incentive Payment System (MIPS)

Final score
87.1 of 100Reported as group
Quality
84.53
Promoting interoperability
100
Improvement activities
40
Cost
72.46

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Swedish Health Services CurrentSince Jul 11, 2022 Accepting new patients
Legacy Salmon Creek Hospital CurrentSince Nov 26, 2021 Accepting new patients
Legacy Salmon Creek Hospital CurrentSince Nov 26, 2021 Accepting new patients
Virtualhealthconnect LLC Neurology Past Accepting new patients
Swedish Health Services Past Accepting new patients

Locations

1015 NW 22nd Ave
Portland, OR 97210
Phone (503) 413-7582

2801 N Gantenbein Ave
Portland, OR 97227
Phone (503) 413-2200

1919 NW Lovejoy St
Portland, OR 97209
Phone (503) 415-5600

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

1600 E Jefferson St
Ste 205
Seattle, WA 98122
Phone (206) 320-3900

747 Broadway
Seattle, WA 98122
Phone (360) 658-2488

2211 NE 139th St
Vancouver, WA 98686
Phone (360) 397-1985

Organizations & group practices 5

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": "1156377600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769558400000",
    "number": "1659488989",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 25608",
            "city": "SALT LAKE CITY",
            "state": "UT",
            "postal_code": "841250608",
            "telephone_number": "206-320-4476"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1600 E JEFFERSON ST STE 205",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981225644",
            "telephone_number": "206-386-2700",
            "fax_number": "206-386-2703"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SINOFF",
        "first_name": "STUART",
        "middle_name": "EVAN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-24",
        "last_updated": "2026-01-28",
        "certification_date": "2026-01-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "WA",
            "license": "MD61133387",
            "primary": true
        },
        {
            "code": "207WX0109X",
            "taxonomy_group": "",
            "desc": "Ophthalmology, Neuro-ophthalmology",
            "state": "WA",
            "license": "MD61133387",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2189324",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

Verify at the official NPI Registry.