Individual provider Active NPI

Kristen Erin Mack, APRN, NP-C

  • Family Nurse Practitioner
  • Fort Smith, AR
National Provider Identifier
1477905214
Registry record updated Nov 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
A004798 Issued in AR
Practice address
7301 Rogers Ave
Fort Smith, AR 72903-4100
Phone
(479) 314-6240
NPI assigned
Jul 5, 2016
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 17, 2025

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 A004798 AR Primary

Addresses

Primary practice location

7301 Rogers Ave
Fort Smith, AR 72903-4100

Mailing address

PO Box 776084
Chicago, IL 60677-6084
Phone (479) 314-6240

Other practice location 1

3117 S 70th St
Fort Smith, AR 72903-5017
Phone (479) 785-9400 ext. 1604

Other identifiers 1

IdentifierTypeStateIssuer
215150758MedicaidAR

Other names 1

  • Kristen Erin Spears Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AR2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20161109001954 AR Practitioner - Certified Clinical Nurse Specialist (CNS) 6103105440 Reassigns benefits to 1 organization
I20250111000340 AR Practitioner - Nurse Practitioner 6103105440 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

7301 Rogers Ave
Fort Smith, AR 72903-4100
Phone (479) 314-5175

7600 Rogers Ave
Fort Smith, AR 72903-5540
Phone (479) 226-8340

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A004798ARMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Venvisor Health of Ar PA CurrentSince Mar 1, 2025 Accepting new patients
The Guidance Center - Whole Health Family CurrentSince Apr 1, 2021 Accepting new patients
Mercy Clinic Fort Smith Communities CurrentSince Nov 1, 2025 Accepting new patients
Mercy Clinic Fort Smith Communities CurrentSince Nov 1, 2025 Accepting new patients
The Guidance Center - Van Buren Clinic CurrentSince Apr 1, 2021 Accepting new patients
Western Arkansas Counseling & Guidance Center, Inc Current Accepting new patients
Healthy Connections Inc Past Accepting new patients

Locations

1202 NE McClain Rd
Bentonville, AR 72712
Phone (479) 278-4323

7001 Rogers Ave
Ste 200
Fort Smith, AR 72903
Phone (479) 314-4620

3113 S 70th St
Fort Smith, AR 72903
Phone (479) 478-6664

7301 Rogers Ave
Fort Smith, AR 72903
Phone (479) 314-4600

3117 S 70th St
Fort Smith, AR 72903
Phone 4797859400 ext. 1604

1857 Rice St
Waldron, AR 72958
Phone (479) 637-2468

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 1

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": "1467676800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763337600000",
    "number": "1477905214",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 776084",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606776084",
            "telephone_number": "479-314-6240",
            "fax_number": "479-452-0275"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7301 ROGERS AVE",
            "city": "FORT SMITH",
            "state": "AR",
            "postal_code": "729034100",
            "telephone_number": "479-314-6240"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3117 S 70th St",
            "address_purpose": "LOCATION",
            "city": "Fort Smith",
            "state": "AR",
            "postal_code": "729035017",
            "country_code": "US",
            "telephone_number": "479-785-9400 x1604",
            "fax_number": "479-755-6255",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MACK",
        "first_name": "KRISTEN",
        "middle_name": "ERIN",
        "credential": "APRN, NP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-07-05",
        "last_updated": "2025-11-17",
        "certification_date": "2025-11-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "AR",
            "license": "A004798",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "215150758",
            "state": "AR"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "KRISTEN",
            "last_name": "SPEARS",
            "middle_name": "ERIN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Fort Smith, AR

Sources for this page

Verify at the official NPI Registry.