NPIMap

Individual provider Active NPI

Cassandra Duncan, FNP-C

  • Family Nurse Practitioner
  • Meridian, ID
National Provider Identifier
1760025142
Registry record updated Jan 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
62944 Issued in ID
Practice address
3025 W Cherry LN Ste a
Meridian, ID 83642-8531
Phone
(208) 302-6400
Fax
(208) 302-6455
NPI assigned
Oct 18, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 5, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 62944 ID Primary

Addresses

Primary practice location

3025 W Cherry LN Ste a
Meridian, ID 83642-8531

Mailing address

PO Box 190930
Boise, ID 83719-0930
Phone (208) 302-5950

Other practice location 1

13796 Willis Rd
Caldwell, ID 83607-7794
Phone (208) 514-7864 ext. 0000

Other names 1

  • Mrs. Cassie Duncan Other name

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address cassie.duncan@saintalphonsus.org Direct

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20200228002065 ID Practitioner - Nurse Practitioner 2668809484 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Saint Alphonsus Regional Medical Center IncGroup PAC ID 3476462359, 672 clinicians

Practice addresses (Care Compare)

3025 W Cherry LN
Meridian, ID 83642-8531

Hospital & facility affiliations

  • Saint Alphonsus Regional Medical Center Hospital, Boise, ID, CCN 130007
  • Saint Alphonsus Medical Center - Nampa Hospital, Nampa, ID, CCN 130013

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Saint Alphonsus Medical Center- Ontario Inc CurrentSince May 1, 2021 Accepting new patients
Saint Alphonsus Regional Medical Center Inc CurrentSince Oct 1, 2020 Accepting new patients
Saint Alphonsus Regional Medical Center Inc CurrentSince Oct 1, 2020 Accepting new patients
Saint Alphonsus Regional Medical Center Inc Current Accepting new patients
Saint Alphonsus Medical Center- Ontario Inc CurrentSince May 1, 2021 Accepting new patients
Marianne Zakarian, M.D., P.C. PastSince Sep 10, 2001 Accepting new patients

Locations

10583 W Lake Hazel Rd
Boise, ID 83709
Phone (208) 302-5900

1055 N Curtis Rd
Boise, ID 83706
Phone (208) 367-2152

910 NW 16th St
Ste 101
Fruitland, ID 83619
Phone (208) 452-8000

3025 W Cherry Ln
Meridian, ID 83642
Phone (208) 302-6400

3025 W Cherry Ln
Ste B
Meridian, ID 83642
Phone (208) 302-6400

3025 W Cherry Ln
Ste A
Meridian, ID 83642
Phone (208) 302-6400

3340 E Goldstone Dr
Meridian, ID 83642
Phone (208) 302-9342

Interoperability endpoints

  • Direct secure messaging: cduncan1564321@direct.trinity-health.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 6

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": "1571356800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767571200000",
    "number": "1760025142",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 190930",
            "city": "BOISE",
            "state": "ID",
            "postal_code": "837190930",
            "telephone_number": "208-302-5950",
            "fax_number": "208-302-5955"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3025 W CHERRY LN STE A",
            "city": "MERIDIAN",
            "state": "ID",
            "postal_code": "836428531",
            "telephone_number": "208-302-6400",
            "fax_number": "208-302-6455"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "13796 Willis Rd",
            "address_purpose": "LOCATION",
            "city": "Caldwell",
            "state": "ID",
            "postal_code": "836077794",
            "country_code": "US",
            "telephone_number": "208-514-7864 x0000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DUNCAN",
        "first_name": "CASSANDRA",
        "name_prefix": "Mrs.",
        "credential": "FNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-10-18",
        "last_updated": "2026-01-05",
        "certification_date": "2026-01-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "ID",
            "license": "62944",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "cassie.duncan@saintalphonsus.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "13796 Willis Rd",
            "city": "Caldwell",
            "state": "ID",
            "country_code": "US",
            "postal_code": "836077794",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "CASSIE",
            "last_name": "DUNCAN",
            "prefix": "MRS.",
            "credential": "FNP-C",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Meridian, ID

Sources for this page

Verify at the official NPI Registry.