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MRS. MELISSA DEVON WALKER NP
NPI 1922329424
Nurse Practitioner in Carrollton, GA

Active since June 18, 2010PECOS Enrolled
157 CLINIC AVE STE 202, CARROLLTON, GA 30117(770) 333-2220(678) 581-7180 Get Directions Write a Review

NPPES record last updated: December 12, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 12, 2025, Nov 4, 2025, Jan 8, 2018 (3 updates tracked since 2018).

About Mrs. Melissa Devon Walker Np NPPES

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

MRS. MELISSA DEVON WALKER NP (NPI 1922329424) is an individual nurse practitioner in Carrollton, Georgia, licensed in Georgia (APRN-NP170353) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1922329424
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMRS. MELISSA DEVON WALKERCredential: NP
Location Address157 CLINIC AVE STE 202Carrollton, GA 30117-4454
Mailing Address157 Clinic Ave Ste 202Carrollton, GA 30117-4454 · (770) 333-2220 · Fax (678) 581-7180
Phone(770) 333-2220
Fax(678) 581-7180
Sole ProprietorNo
Enumeration DateJune 18, 2010
Last NPPES UpdateDecember 12, 20253 updates tracked since enumeration
NPPES CertifiedDecember 12, 2025
✔ NPI 1922329424 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in GA · APRN-NP170353
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.
157 CLINIC AVE STE 202, Carrollton, GA 30117
Open in Google Maps ↗

Other Identifiers 1

Other1922329424GA · Npi Number

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc..Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Melissa Devon Walker Np 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

3

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

Tanner Oncology Services Inc
Same address
Medical Oncology
157 CLINIC AVE STE 202
Carrollton, GA 30117
  • Reassigned Medicare billing, Georgia enrollment
  • 7 clinicians in this Medicare group
NPI 1710515184 (770) 333-2220
Tmg Northwest Georgia Oncology Center Inc
15 mi
Medical Oncology
705 DALLAS HWY STE 204
Villa Rica, GA 30180
  • Reassigned Medicare billing, Georgia enrollment
  • 7 clinicians in this Medicare group
NPI 1932728326 (770) 333-2220
Wellstar Medical Group, LLC
23 mi
Surgery
4904 TIMBER RIDGE DR, SUITE 104
Douglasville, GA 30135
  • Reassigned Medicare billing, Georgia enrollment
  • 3,885 clinicians in this Medicare group
NPI 1164715132 (770) 942-4822

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

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 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 services30 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30117 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.

Other Providers at the Same Location NPPES 5

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

MRS. AMBER NICOLE BEDLEY RN, FNP
Nurse Practitioner (Family)
157 CLINIC AVE STE 202
CARROLLTON, GA 30117
Carroll County (770) 214-2800
MARY ANN MABRY PHARM. D.
Pharmacist
157 CLINIC AVE STE 202
CARROLLTON, GA 30117
Carroll County (770) 812-1919
KORY ZACHERY PA-C
Physician Assistant
157 CLINIC AVE STE 202
CARROLLTON, GA 30117
Carroll County (770) 333-2220
MRS. GINA DARLENE DUGGAR NP
Nurse Practitioner
157 CLINIC AVE STE 202
CARROLLTON, GA 30117
Carroll County (770) 333-2220
TANNER ONCOLOGY SERVICES INC
Internal Medicine (Medical Oncology)
157 CLINIC AVE STE 202
CARROLLTON, GA 30117
Carroll County (770) 333-2220

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 Melissa Walker's NPI number?

The NPI number for Melissa Walker is 1922329424. It was assigned to this individual provider in the NPPES registry on June 18, 2010.

Where is Melissa Walker located?

Melissa Walker practices at 157 Clinic Ave Ste 202, Carrollton, GA 30117. The listed phone number is (770) 333-2220.

What is Melissa Walker's specialty?

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

Is Melissa Walker enrolled in Medicare?

Yes. Melissa Walker is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Melissa Walker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Walker reassigns Medicare benefits to 3 organizations: Tanner Oncology Services Inc (Carrollton, GA), Tmg Northwest Georgia Oncology Center Inc (Villa Rica, GA) and Wellstar Medical Group, LLC (Douglasville, GA). 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 Melissa Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Melissa Walker accept?

Health plans from Alliant Health Plans, Inc. list Melissa Walker 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 Melissa Walker was last updated on December 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.