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MRS. MACKENZIE SIMPKINS SHAMBLIN APRN, AGNP-C
NPI 1972298974
Nurse Practitioner in Athens, GA

Active since April 06, 2023PECOS Enrolled
104 PIONEER DR, ATHENS, GA 30605(706) 466-6404 Get Directions Write a Review

NPPES record last updated: August 27, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 27, 2026, Oct 8, 2025, Apr 6, 2023 (3 updates tracked since 2023).

About Mrs. Mackenzie Simpkins Shamblin Aprn, Agnp-c NPPES

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

MRS. MACKENZIE SIMPKINS SHAMBLIN APRN, AGNP-C (NPI 1972298974) is an individual nurse practitioner in Athens, Georgia, licensed in Georgia (RN280788) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1972298974
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMRS. MACKENZIE SIMPKINS SHAMBLINCredential: APRN, AGNP-C
Location Address104 PIONEER DRAthens, GA 30605-4016
Mailing Address104 Pioneer DrAthens, GA 30605-4016 · (706) 466-6404
Phone(706) 466-6404
Sole ProprietorYes
Enumeration DateApril 6, 2023
Last NPPES UpdateAugust 27, 20263 updates tracked since enumeration
NPPES CertifiedAugust 27, 2026
✔ NPI 1972298974 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
Licenses✔ Licensed in GA · RN280788✔ Licensed in SC · 27530
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
104 PIONEER DR, Athens, GA 30605
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Mackenzie Simpkins Shamblin Aprn, Agnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show Mackenzie Shamblin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pruitthealth Physicians Services, LLC
50 mi
Internal Medicine
1626 JEURGENS CT
Norcross, GA 30093
  • Reassigned Medicare billing, Georgia enrollment
  • 78 clinicians in this Medicare group
NPI 1043676299 (770) 279-6200
Hospice Care Of South Carolina, LLC
125 mi
Hospice and Palliative Medicine
136 STONEMARK LN STE 100C
Columbia, SC 29210
  • Reassigned Medicare billing, South Carolina enrollment
  • 56 clinicians in this Medicare group
NPI 1174956098 (800) 932-2738

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30605 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
$83.23 typical visit price
range $53.31 – $164.04
Typical copayment $20.80 (range $13.32 – $41.01)
Most-billed visit code 99203
Established Patient
$94.84 typical visit price
range $16.68 – $133.24
Typical copayment $23.71 (range $4.17 – $33.31)
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.

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 Mackenzie Shamblin's NPI number?

The NPI number for Mackenzie Shamblin is 1972298974. It was assigned to this individual provider in the NPPES registry on April 6, 2023.

Where is Mackenzie Shamblin located?

Mackenzie Shamblin practices at 104 Pioneer Dr, Athens, GA 30605. The listed phone number is (706) 466-6404.

What is Mackenzie Shamblin's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Mackenzie Shamblin enrolled in Medicare?

Yes. Mackenzie Shamblin is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mackenzie Shamblin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mackenzie Shamblin reassigns Medicare benefits to 2 organizations: Pruitthealth Physicians Services, LLC (Norcross, GA) and Hospice Care Of South Carolina, LLC (Columbia, SC). 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 Mackenzie Shamblin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mackenzie Shamblin was last updated on August 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.