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GRETA M GILSON AGNEW ANP-BC
NPI 1205257268
Nurse Practitioner - Adult Health in Sandy Springs, GA

Active since December 18, 2013PECOS Enrolled
20 GLENLAKE PARKWAY NE, SANDY SPRINGS, GA 30328(404) 365-0966 Get Directions Write a Review

NPPES record last updated: February 6, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 6, 2022, Feb 28, 2019 (2 updates tracked since 2019).

About Greta M Gilson Agnew Anp-bc NPPES

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

GRETA M GILSON AGNEW ANP-BC (NPI 1205257268) is an individual adult health provider in Sandy Springs, Georgia, licensed in Georgia (RN054192) and active in the NPI registry since December 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1205257268
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameGRETA M GILSON AGNEWCredential: ANP-BC
Location Address20 GLENLAKE PARKWAY NESandy Springs, GA 30328
Mailing Address20 Glenlake Parkway NeSandy Springs, GA 30328 · (404) 365-0966
Phone(404) 365-0966
Sole ProprietorNo
Enumeration DateDecember 18, 2013
Last NPPES UpdateFebruary 6, 20222 updates tracked since enumeration
NPPES CertifiedFebruary 6, 2022
✔ NPI 1205257268 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in GA · RN054192
20 GLENLAKE PARKWAY NE, Sandy Springs, GA 30328
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Other Names 1

Former Name (1)Greta Gilson Agnew Anp-bc

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Greta M Gilson Agnew Anp-bc 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 Reassignment

Medicare enrollment records show Greta Gilson Agnew reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The Southeast Permanente Medical Group
6.2 mi
Internal Medicine
3495 PIEDMONT ROAD NE, NINE PIEDMONT CENTER
Atlanta, GA 30305
  • Reassigned Medicare billing, Georgia enrollment
  • 1,389 clinicians in this Medicare group
NPI 1245266956 (404) 364-3821

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 30328 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
$88.06 typical visit price
range $56.84 – $172.43
Typical copayment $22.01 (range $14.21 – $43.10)
Most-billed visit code 99203
Established Patient
$100.20 typical visit price
range $18.22 – $140.40
Typical copayment $25.05 (range $4.55 – $35.10)
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.

DR. ANURAG SAHU M.D
Internal Medicine (Adult Congenital Heart Disease)
20 GLENLAKE PARKWAY NE, MEDICAL OFFICE BUILDING
SANDY SPRINGS, GA 30328
Fulton County (404) 365-0966

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 Greta Gilson Agnew's NPI number?

The NPI number for Greta Gilson Agnew is 1205257268. It was assigned to this individual provider in the NPPES registry on December 18, 2013. The provider is also known as Greta Gilson Agnew Anp-Bc.

Where is Greta Gilson Agnew located?

Greta Gilson Agnew practices at 20 Glenlake Parkway NE, Sandy Springs, GA 30328. The listed phone number is (404) 365-0966.

What is Greta Gilson Agnew's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Greta Gilson Agnew enrolled in Medicare?

Yes. Greta Gilson Agnew is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Greta Gilson Agnew's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Greta Gilson Agnew reassigns Medicare benefits to The Southeast Permanente Medical Group (Atlanta, GA). The 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 Greta Gilson Agnew'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 Greta Gilson Agnew was last updated on February 6, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.