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

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: August 30, 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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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

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.

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.

What insurance does Mackenzie Shamblin accept?

Health plans from UnitedHealthcare list Mackenzie Shamblin 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 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 8 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.