Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KRISTEN ALLEN KARKER DNP, FNP-BC
NPI 1447704366
Nurse Practitioner - Family in Murfreesboro, TN

Q: What is Kristen Karker's NPI number?

The NPI number for Kristen Karker is 1447704366. It was assigned to this individual provider in the NPPES registry on August 9, 2016. The provider is also known as Kristen Michelle Allen.

Q: What is Kristen Karker's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Kristen Karker was last updated on September 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 51 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 09, 2016PECOS EnrolledAccepts Medicare Assignment

1840 MEDICAL CENTER PKWY STE 102, MURFREESBORO, TN 37129(615) 396-5530(615) 396-5534 Get Directions Write a Review

NPPES record last updated: September 18, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 18, 2026, Apr 20, 2026, Mar 4, 2026 and 1 more (4 updates tracked since 2016).

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About Kristen Allen Karker Dnp, Fnp-bc NPPES

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

KRISTEN ALLEN KARKER DNP, FNP-BC (NPI 1447704366) is an individual family provider in Murfreesboro, Tennessee, licensed in Tennessee (21447) and active in the NPI registry since August 2016. She is enrolled in Medicare PECOS, is affiliated with Williamson Medical Center, and maintains a secondary practice location in Tullahoma.

NPPES Registry Identity

NPI1447704366

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameKRISTEN ALLEN KARKERCredential: DNP, FNP-BC

Location Address1840 MEDICAL CENTER PKWY STE 102Murfreesboro, TN 37129-3237

Mailing Address2004 Hayes St Ste 800Nashville, TN 37203-2659 · (615) 329-0570 · Fax (615) 329-0579

Phone(615) 396-5530

Fax(615) 396-5534

Sole ProprietorNo

Medical School CMSOtherGraduated 2011

Enumeration DateAugust 9, 2016

Last NPPES UpdateSeptember 18, 20264 updates tracked since enumeration

NPPES CertifiedSeptember 18, 2026

✔ NPI 1447704366 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 TN · 21447

1840 MEDICAL CENTER PKWY STE 102, Murfreesboro, TN 37129

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Other Names 1

Former Name (1)Kristen Michelle Allen

Secondary Practice Location 1

Location 12114 N Jackson StTullahoma, TN 37388-2208 · Phone (931) 454-9002 · Fax (931) 454-9690

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter Health, Ambetter of Alabama and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Kristen Allen Karker Dnp, Fnp-bc 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 ID2860789062

PECOS Enrollment IDI20160930001268

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.

Medicare Billing Reassignments

Medicare enrollment records show Kristen Karker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Tennessee Oncology, PLLC

22 mi

Diagnostic Radiology

4488 CAROTHERS PARKWAY, SUITE 110
Franklin, TN 37067

Reassigned Medicare billing, Tennessee enrollment
464 clinicians in this Medicare group

NPI 1326503749 (615) 721-0935

Summit Medical Group, PLLC

22 mi

Internal Medicine

1607 WESTGATE CIR STE 200
Brentwood, TN 37027

Reassigned Medicare billing, Tennessee enrollment
1,003 clinicians in this Medicare group

NPI 1659090298 (615) 376-8195

Cool Springs Internal Medicine & Pediatrics, PLLC.

22 mi

Specialist

1607 WESTGATE CIRCLE, SUITE 200
Brentwood, TN 37027

Reassigned Medicare billing, Tennessee enrollment
17 clinicians in this Medicare group

NPI 1699977348 (615) 376-8195

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

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.

61 services56 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

58 services48 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.

47 services42 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

39 services38 patients

Blood test, lipids (cholesterol and triglycerides) 80061

A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.

37 services35 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

31 services31 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Williamson Medical Center

Acute Care Hospitals · Franklin, TN

4/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number440029

Location4321 Carothers ParkwayFranklin, TN 37067 · Williamson County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37129 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

$81.53 typical visit price

range $52.64 – $160.89

Typical copayment $20.38 (range $13.16 – $40.22)

Most-billed visit code 99203

Established Patient

$93.60 typical visit price

range $16.72 – $131.41

Typical copayment $23.40 (range $4.18 – $32.85)

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.

Other Providers at the Same Location NPPES

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

DAVID ALLEN COOPER

Radiology (Radiation Oncology)

1840 MEDICAL CENTER PKWY STE 102
MURFREESBORO, TN 37129

Rutherford County (615) 396-5530

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 Karker's NPI number?

The NPI number for Kristen Karker is 1447704366. It was assigned to this individual provider in the NPPES registry on August 9, 2016. The provider is also known as Kristen Michelle Allen.

Where is Kristen Karker located?

Kristen Karker practices at 1840 Medical Center Pkwy Ste 102, Murfreesboro, TN 37129. The listed phone number is (615) 396-5530.

What is Kristen Karker's specialty?

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

Is Kristen Karker enrolled in Medicare?

Yes. Kristen Karker 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.

Which organizations bill Medicare for Kristen Karker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristen Karker reassigns Medicare benefits to 3 organizations: Tennessee Oncology, PLLC (Franklin, TN), Summit Medical Group, PLLC (Brentwood, TN) and Cool Springs Internal Medicine & Pediatrics, PLLC. (Brentwood, TN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kristen Karker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kristen Karker accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 3 other insurers list Kristen Karker 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.

Is Kristen Karker affiliated with any hospitals?

According to CMS data, Kristen Karker is affiliated with Williamson Medical Center.

When was this NPI record last updated?

The NPPES record for Kristen Karker was last updated on September 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 51 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.