Individual provider Active NPI

Sarah Marshall Speck, M.D.

  • Cardiovascular Disease Physician
  • Seattle, WA
National Provider Identifier
1720003973
Registry record updated Mar 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
MD00016855 Issued in WA
Practice address
1801 NW Market St Ste 408
Seattle, WA 98107-3901
Phone
(206) 466-5936
Fax
(206) 466-5984
NPI assigned
Jul 12, 2006
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 26, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X MD00016855 WA Primary

Addresses

Primary practice location

1801 NW Market St Ste 408
Seattle, WA 98107-3901

Mailing address

2150 N 107TH St
Suite 205
Seattle, WA 98133-9009
Phone (206) 466-5936

Other identifiers 2

IdentifierTypeStateIssuer
0209225OtherWAL & I
1099993MedicaidWA

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
I20040706000209 WA Practitioner - Cardiovascular Disease (Cardiology) 9537155866 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)
Education
University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 1977
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services

Practice addresses (Care Compare)

1801 NW Market St
Suite 408
Seattle, WA 98107-3901
Phone (206) 466-5936

Hospital & facility affiliations

  • Swedish Medical Center / Cherry Hill Hospital, Seattle, WA, CCN 500025
  • Swedish Medical Center Hospital, Seattle, WA, CCN 500027
  • St Francis Community Hospital Hospital, Federal Way, WA, CCN 500141
  • Swedish Edmonds Hospital Hospital, Edmonds, WA, CCN 500026
  • Island Hospital Hospital, Anacortes, WA, CCN 500007

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD00016855WAMDCardiovascular Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Speck Health PS Cardiovascular Disease CurrentSince Apr 22, 2004 Accepting new patients
Swedish Health Services Cardiovascular Disease CurrentSince Dec 1, 2009 Accepting new patients
Swedish Health Services Cardiovascular Disease CurrentSince Dec 1, 2009 Accepting new patients
Bellevue Cardiology Clinic PLLC Cardiovascular Disease Past Accepting new patients

Locations

1104 Basich Blvd
Aberdeen, WA 98520
Phone (206) 292-7990

12917 SE 38th St
Ste 100
Bellevue, WA 98006
Phone (206) 292-7990

7320 216th St SW
Ste 210
Edmonds, WA 98026
Phone (206) 292-7990

2150 N 107th St
Ste 205
Seattle, WA 98133
Phone (206) 466-5936

1801 NW Market St
Ste 408
Seattle, WA 98107
Phone (206) 466-5936

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

801 Broadway
Ste 410
Seattle, WA 98122
Phone (206) 215-2360

805 Madison St
Ste 400
Seattle, WA 98104
Phone (205) 466-5936

Interoperability endpoints

  • Direct secure messaging: sarah.speck.1@6453.direct.athenahealth.com
  • FHIR API: https://api.platform.athenahealth.com/6453/brand/2/csg/1/fhir/r4
  • Direct secure messaging: sarah.speck.3@6453.direct.athenahealth.com

Organizations & group practices 4

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 8

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": "1152662400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774483200000",
    "number": "1720003973",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2150 N 107TH ST",
            "address_2": "SUITE 205",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981339009",
            "telephone_number": "206-466-5936",
            "fax_number": "206-466-5984"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1801 NW MARKET ST STE 408",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981073901",
            "telephone_number": "206-466-5936",
            "fax_number": "206-466-5984"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SPECK",
        "first_name": "SARAH",
        "middle_name": "MARSHALL",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-07-12",
        "last_updated": "2026-03-26",
        "certification_date": "2026-03-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "WA",
            "license": "MD00016855",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "L & I",
            "identifier": "0209225",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1099993",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

Verify at the official NPI Registry.