NPIMap

Individual provider Active NPI

Abigail K Alt, M.D.

  • Internal Medicine Physician
  • Seattle, WA
National Provider Identifier
1780818443
Registry record updated Feb 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
60302495 Issued in WA
Practice address
747 Broadway
Seattle, WA 98122-4379
Phone
(206) 386-6000
NPI assigned
May 11, 2009
Last updated
Feb 3, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 3, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 264568 NY
Internal Medicine Physician 207R00000X 60302495 WA Primary

Addresses

Primary practice location

747 Broadway
Seattle, WA 98122-4379

Mailing address

1037 NE 65TH St # 81134
Seattle, WA 98115-6655

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA, CO2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20121219000552 WA Practitioner - Internal Medicine 2567614571 Reassigns benefits to 1 organization
I20260323002690 CO Practitioner - Internal Medicine 2567614571 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Drexel University College of Medicine, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Solace Health Medical Group IncGroup PAC ID 9830540624, 122 clinicians
Swedish Health ServicesGroup PAC ID 0244138196, 1,038 clinicians

Practice addresses (Care Compare)

2590 Welton St
Suite 200
Denver, CO 80205-4268
Phone (201) 283-8515

500 17TH Ave
Seattle, WA 98122-5711
Phone (206) 320-2000

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

751 NE Blakely Dr
Issaquah, WA 98029-6201

9030 35TH Ave SW
Suite 100 1017
Seattle, WA 98126-3821
Phone (240) 693-3281

Hospital & facility affiliations

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

State licenses

LicenseStateTypeSpecialty
264568NYMDInternal Medicine Physician
60302495WAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Swedish Health Services Internal Medicine CurrentSince Jul 1, 2013 Accepting new patients
Swedish Health Services Past Accepting new patients
Swedish Health Services Past Accepting new patients
Swedish Health Services Past Accepting new patients

Locations

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

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

Interoperability endpoints

  • Direct secure messaging: aalt427486@direct.peacehealth.org
  • Direct secure messaging: abigail.alt.1@18308.direct.athenahealth.com

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 3

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": "1242000000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770076800000",
    "number": "1780818443",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1037 NE 65TH ST # 81134",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981156655"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "747 BROADWAY",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981224379",
            "telephone_number": "206-386-6000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALT",
        "first_name": "ABIGAIL",
        "middle_name": "K",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-05-11",
        "last_updated": "2026-02-03",
        "certification_date": "2026-02-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "264568",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WA",
            "license": "60302495",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

Verify at the official NPI Registry.