RADIATION ONCOLOGY OF ATLANTA, LLC
NPI 1528049087
Radiology - Radiation Oncology in Atlanta, GA

Active since November 10, 2005
1000 JOHNSON FERRY RD, NE, NORTHSIDE RADIATION ONCOLOGY DEPARTMENT, ATLANTA, GA 30342(404) 851-8850(404) 851-6010 Get Directions Write a Review

NPPES record last updated: September 22, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Radiation Oncology Of Atlanta, Llc NPPES

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

RADIATION ONCOLOGY OF ATLANTA, LLC (NPI 1528049087) is a healthcare organization registered as a radiation oncology in Atlanta, Georgia and active in the NPI registry since November 2005. The organization lists W Hamilton Williams, President, as its authorized official.

NPPES Registry Identity

NPI1528049087
Entity TypeOrganization
Primary Taxonomy2085R0001X
Legal Business NameRADIATION ONCOLOGY OF ATLANTA, LLC
Location Address1000 JOHNSON FERRY RD, NE, NORTHSIDE RADIATION ONCOLOGY DEPARTMENTAtlanta, GA 30342-1606
Mailing AddressPo Box 102665Atlanta, GA 30368-2665 · (770) 693-2622 · Fax (770) 693-5821
Fax(404) 851-6010
Organization SubpartNo
Authorized OfficialW Hamilton WilliamsPresident · (404) 851-8850
Enumeration DateNovember 10, 2005
Last NPPES UpdateSeptember 22, 2015
✔ NPI 1528049087 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
License✔ Licensed in GA · 036041
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
1000 JOHNSON FERRY RD, NE, Atlanta, GA 30342

Other Identifiers 2

Medicaid559695479AGA
Medicare PIN7323GA

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Radiation Oncology Of Atlanta, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Radiation Oncology Of Atlanta, LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Radiation Oncology
NPI 1407846561
1000 JOHNSON FERRY RD NE
Atlanta, GA 30342
(404) 851-8850
✔ PECOSSame address

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

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 Radiation Oncology Of Atlanta, LLC's NPI number?

The NPI number for Radiation Oncology Of Atlanta, LLC is 1528049087. It was assigned to this organization in the NPPES registry on November 10, 2005.

Where is Radiation Oncology Of Atlanta, LLC located?

Radiation Oncology Of Atlanta, LLC is located at 1000 Johnson Ferry Rd, NE Northside Radiation Oncology Department, Atlanta, GA 30342. The listed phone number is (404) 851-8850.

What is Radiation Oncology Of Atlanta, LLC's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Radiation Oncology Of Atlanta, LLC enrolled in Medicare?

Yes. Radiation Oncology Of Atlanta, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Radiation Oncology Of Atlanta, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Radiation Oncology) reassigns their Medicare billing to Radiation Oncology Of Atlanta, LLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Radiation Oncology Of Atlanta, LLC accept?

Health plans from Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Radiation Oncology Of Atlanta, LLC 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 Radiation Oncology Of Atlanta, LLC was last updated on September 22, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.