Individual provider Active NPI

Sierra Keith, MSN, CRNP, FNP-C

  • Family Nurse Practitioner
  • Madison, AL
National Provider Identifier
1639962368
Registry record updated Jun 18, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
1-192154 Issued in AL
Practice address
8489 Madison Blvd
Madison, AL 35758-2005
Phone
(256) 850-8400
NPI assigned
May 26, 2025
Last updated
Jun 18, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 18, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 1-192154 AL Primary
Registered Nurse 163W00000X 1-192154 AL

Addresses

Primary practice location

8489 Madison Blvd
Madison, AL 35758-2005

Mailing address

8489 Madison Blvd
Madison, AL 35758-2005
Phone (256) 850-8400

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AL
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20251003003682 AL Practitioner - Nurse Practitioner 6507362829 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
HH Health System Crestwood Physicians, LLCGroup PAC ID 8628546397, 33 clinicians
Crestwood Physician Services, LLCGroup PAC ID 3476735648, 38 clinicians

Practice addresses (Care Compare)

1 Hospital Dr SW
Huntsville, AL 35801-6455
Phone (256) 429-4000

8489 Madison Blvd
Madison, AL 35758-2005
Phone (256) 850-8400

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Master of Science - Nursing, Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
1-192154ALMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Crestwood Physician Services, LLC CurrentSince Oct 1, 2025 Accepting new patients
Cullman Primary Care, PC PastSince Jun 23, 2025 Accepting new patients

Locations

1 Hospital Dr SW
Huntsville, AL 35801
Phone (256) 880-4177

8489 Madison Blvd
Madison, AL 35758
Phone (256) 775-1090

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/3038/brand/1/csg/64/fhir/r4
  • Direct secure messaging: sierra.keith.1@3038.direct.athenahealth.com

Organizations & group practices 3

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": "1748217600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750204800000",
    "number": "1639962368",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8489 MADISON BLVD",
            "city": "MADISON",
            "state": "AL",
            "postal_code": "357582005",
            "telephone_number": "256-850-8400"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8489 MADISON BLVD",
            "city": "MADISON",
            "state": "AL",
            "postal_code": "357582005",
            "telephone_number": "256-850-8400"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KEITH",
        "first_name": "SIERRA",
        "credential": "MSN, CRNP,  FNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-05-26",
        "last_updated": "2025-06-18",
        "certification_date": "2025-06-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "AL",
            "license": "1-192154",
            "primary": true
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "AL",
            "license": "1-192154",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Madison, AL

Sources for this page

Verify at the official NPI Registry.