KRISTEN ERIN MACK APRN, NP-C
NPI 1477905214
Nurse Practitioner - Family in Fort Smith, AR

Active since July 05, 2016PECOS EnrolledAccepts Medicare Assignment
7301 ROGERS AVE, FORT SMITH, AR 72903(479) 314-6240 Get Directions Write a Review

NPPES record last updated: November 17, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 17, 2025, Feb 7, 2023, Aug 27, 2020 and 1 more (4 updates tracked since 2018).

About Kristen Erin Mack Aprn, Np-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KRISTEN ERIN MACK APRN, NP-C (NPI 1477905214) is an individual family provider in Fort Smith, Arkansas, licensed in Arkansas (A004798) and active in the NPI registry since July 2016. She is enrolled in Medicare PECOS, maintains a secondary practice location in Fort Smith, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1477905214
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameKRISTEN ERIN MACKCredential: APRN, NP-C
Location Address7301 ROGERS AVEFort Smith, AR 72903-4100
Mailing AddressPo Box 776084Chicago, IL 60677-6084 · (479) 314-6240 · Fax (479) 452-0275
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateJuly 5, 2016
Last NPPES UpdateNovember 17, 20254 updates tracked since enumeration
NPPES CertifiedNovember 17, 2025
NPI 1477905214 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in AR · A004798
7301 ROGERS AVE, Fort Smith, AR 72903

Other Names 1

Former Name (1)Kristen Erin Spears

Secondary Practice Location 1

Location 13117 S 70th StFort Smith, AR 72903-5017 · Phone (479) 785-9400 ext. 1604 · Fax (479) 755-6255

Other Identifiers 1

Medicaid215150758AR

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Kristen Erin Mack Aprn, Np-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6103105440
PECOS Enrollment IDI20250111000340
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Detection test by immunoassay with direct visual observation for influenza virus 87804
This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.
76 services35 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
66 services60 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
56 services52 patients
Injection, ceftriaxone sodium, per 250 mg J0696
Ceftriaxone sodium is an antibiotic injection used to treat a variety of bacterial infections. Each injection contains 250 mg of the medicine. It works by stopping the growth of bacteria in your body.
56 services14 patients
Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 87811
This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.
52 services49 patients
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880
A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.
29 services28 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 72903 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$79.72 typical visit price
range $51.36 – $157.74
Typical copayment $19.93 (range $12.84 – $39.43)
Most-billed visit code 99203
Established Patient
$91.63 typical visit price
range $16.16 – $128.77
Typical copayment $22.90 (range $4.04 – $32.19)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466
DME-Other DME · category DE005N
1 supplier12 claims12 services$887.70 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Student in an Organized Health Care Education/Training Program
7301 ROGERS AVE
FORT SMITH, AR 72903
Internal Medicine
7301 ROGERS AVE
FORT SMITH, AR 72903
Emergency Medicine
7301 ROGERS AVE
FORT SMITH, AR 72903
Student in an Organized Health Care Education/Training Program
7301 ROGERS AVE
FORT SMITH, AR 72903
Pharmacist
7301 ROGERS AVE
FORT SMITH, AR 72903
Student in an Organized Health Care Education/Training Program
7301 ROGERS AVE
FORT SMITH, AR 72903
Long Term Care Hospital
7301 ROGERS AVE, 4TH FLOOR
FORT SMITH, AR 72903
Internal Medicine (Infectious Disease)
7301 ROGERS AVE
FORT SMITH, AR 72903

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kristen Mack's NPI number?

The NPI number for Kristen Mack is 1477905214. It was assigned to this individual provider in the NPPES registry on July 5, 2016. The provider is also known as Kristen Erin Spears.

Where is Kristen Mack located?

Kristen Mack practices at 7301 Rogers Ave, Fort Smith, AR 72903. The listed phone number is (479) 314-6240.

What is Kristen Mack's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Kristen Mack enrolled in Medicare?

Yes. Kristen Mack is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Kristen Mack accept?

Health plans from Arkansas Blue Cross and Blue Shield, Health Advantage and Octave list Kristen Mack as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Kristen Mack was last updated on November 17, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.