Individual provider Active NPI

April Stempien-Otero, MD

  • Advanced Heart Failure and Transplant Cardiology Physician
  • Seattle, WA
National Provider Identifier
1326176330
Registry record updated Jul 25, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Advanced Heart Failure and Transplant Cardiology PhysicianTaxonomy code 207RA0001X
License
MD00031926 Issued in WA
Practice address
1959 NE Pacific St
Seattle, WA 98195-6054
Phone
(206) 520-5000
Fax
(206) 598-4669
NPI assigned
Mar 1, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 25, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X M-16929 ID
Cardiovascular Disease Physician 207RC0000X MD00031926 WA
Advanced Heart Failure and Transplant Cardiology Physician 207RA0001X MD00031926 WA Primary

Addresses

Primary practice location

1959 NE Pacific St
Seattle, WA 98195-6054

Mailing address

PO Box 50095
Seattle, WA 98145-5095
Phone (206) 520-5000

Other practice location 1

1300 E Mullan Ave Ste 900
Post Falls, ID 83854-6054
Phone (208) 625-5530

Other names 1

  • April C Stempien Professional name

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address astempienotero696743@direct.multicare.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA, ID2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20100923001528 WA Practitioner - Advanced Heart Failure and Transplant CardiologyPractitioner - Cardiovascular Disease (Cardiology) 7517083843 Reassigns benefits to 1 organization
I20230126000531 ID Practitioner - Cardiovascular Disease (Cardiology) 7517083843 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)
Education
University of Connecticut School of Medicine, 1990
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Kootenai Health IncGroup PAC ID 1355792276, 394 clinicians
The Association of University PhysiciansGroup PAC ID 0446162697, 3,484 clinicians

Practice addresses (Care Compare)

1055 Riverside Ave
Orofino, ID 83544-9029
Phone (208) 476-5777

1959 NE Pacific St
Seattle, WA 98195-0001
Phone (206) 598-4333

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
93.85 of 100Reported as apm
Quality
74.6
Promoting interoperability
100
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
86.65 of 100Reported as apm
Quality
89.26
Promoting interoperability
69.9
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
M-16929IDMDCardiovascular Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Kootenai Health, Inc. CurrentSince Jan 1, 2024 Accepting new patients
Kootenai Health, Inc. CurrentSince Jan 1, 2024 Accepting new patients
Incyte Pathology, PLLC Current Accepting new patients
Kootenai Health, Inc. CurrentSince Dec 21, 2022 Accepting new patients
Kootenai Health, Inc. Current Accepting new patients
The Association of University Physicians CurrentSince Jul 1, 1997 Accepting new patients
Kootenai Health, Inc. CurrentSince Dec 21, 2022 Accepting new patients
University of Washington Past Accepting new patients

Locations

2003 Kootenai Health Way
Coeur D Alene, ID 83814
Phone (208) 625-5085

1300 E Mullan Ave
Ste 900
Post Falls, ID 83854
Phone (208) 625-5530

1300 E Mullan Ave
Ste 700
Post Falls, ID 83854
Phone (208) 625-5564

1959 NE Pacific St
Seattle, WA 98195
Phone (206) 598-4333

1959 NE Pacific St
Fl 3
Seattle, WA 98195
Phone (206) 543-8981

Interoperability endpoints

  • Direct secure messaging: astempienotero8843@direct.ehre.uwmedicine.org

Organizations & group practices 8

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": "1172707200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753401600000",
    "number": "1326176330",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 50095",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981455095",
            "telephone_number": "206-520-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1959 NE PACIFIC ST",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981956054",
            "telephone_number": "206-520-5000",
            "fax_number": "206-598-4669"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1300 E Mullan Ave Ste 900",
            "address_purpose": "LOCATION",
            "city": "Post Falls",
            "state": "ID",
            "postal_code": "838546054",
            "country_code": "US",
            "telephone_number": "208-625-5530",
            "fax_number": "208-625-5531",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "STEMPIEN-OTERO",
        "first_name": "APRIL",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-03-01",
        "last_updated": "2025-07-25",
        "certification_date": "2025-07-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "ID",
            "license": "M-16929",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "WA",
            "license": "MD00031926",
            "primary": false
        },
        {
            "code": "207RA0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Advanced Heart Failure and Transplant Cardiology",
            "state": "WA",
            "license": "MD00031926",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "astempienotero696743@direct.multicare.org",
            "affiliation": "N",
            "address_1": "1300 E Mullan Ave Ste 900",
            "city": "Post Falls",
            "state": "ID",
            "country_code": "US",
            "postal_code": "838546054",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "APRIL",
            "last_name": "STEMPIEN",
            "middle_name": "C",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

Other providers in Seattle, WA

Sources for this page

Verify at the official NPI Registry.