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THERAPEUTIC RADIATION ONCOLOGY, PC
NPI 1629019534
Radiology - Radiation Oncology in Fayetteville, GA

Active since June 10, 2006
1255 HIGHWAY 54 W, FAYETTEVILLE, GA 30214(770) 719-5850(770) 719-5849 Get Directions Write a Review

NPPES record last updated: December 27, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 27, 2021, Mar 17, 2018, Nov 28, 2017 (3 updates tracked since 2017).

About Therapeutic Radiation Oncology, Pc NPPES

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

THERAPEUTIC RADIATION ONCOLOGY, PC (NPI 1629019534) is a healthcare organization registered as a radiation oncology in Fayetteville, Georgia and active in the NPI registry since June 2006. The organization maintains 2 additional practice locations and lists Nelda H Champagne, Billing Manager, as its authorized official.

NPPES Registry Identity

NPI1629019534
Entity TypeOrganization
Primary Taxonomy2085R0001X
Legal Business NameTHERAPEUTIC RADIATION ONCOLOGY, PC
Location Address1255 HIGHWAY 54 WFayetteville, GA 30214-4526
Mailing Address255 Professional CtRiverdale, GA 30274-2531 · (770) 907-0554 · Fax (770) 907-9048
Phone(770) 719-5850
Fax(770) 719-5849
Organization SubpartNo
Authorized OfficialNelda H ChampagneBilling Manager · (770) 907-0554
Enumeration DateJune 10, 2006
Last NPPES UpdateDecember 27, 20213 updates tracked since enumeration
NPPES CertifiedDecember 27, 2021
✔ NPI 1629019534 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
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.
1255 HIGHWAY 54 W, Fayetteville, GA 30214
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Secondary Practice Locations 2

Location 1745 Poplar RdNewnan, GA 30265-1618 · Phone (770) 400-4700 · Fax (770) 400-4096
Location 21133 Eagles Landing PkwyStockbridge, GA 30281-5085 · Phone (678) 251-1099 · Fax (678) 604-1960

Other Identifiers 2

Other1629019534GA · Npi
Medicaid300021609AGA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter Health, Ambetter of Alabama and more.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)

Therapeutic Radiation Oncology, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

9

Medicare enrollment records show 9 clinicians reassign Medicare billing to Therapeutic Radiation Oncology, PC, which bills Medicare for the services they deliver. Of these, 1 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (9)

Geetha Rao, MD
Radiation Oncology
NPI 1255370375
1255 HIGHWAY 54 W
Fayetteville, GA 30214
(770) 719-5850
✔ PECOS✔ Accepts Medicare0.2 mi
Charles Woods, M.D.
Radiation Oncology
NPI 1679739825
275 PROFESSIONAL CT SUITE B
Riverdale, GA 30274
(770) 907-0554
✔ PECOS✔ Accepts Medicare11 mi
John Giesler, M.D.
Radiation Oncology
NPI 1649261926
255 PROFESSIONAL CT
Riverdale, GA 30274
(770) 997-8424
✔ PECOS✔ Accepts Medicare11 mi
Diana Santiago, MD
Radiation Oncology
NPI 1073552196
745 POPLAR RD
Newnan, GA 30265
(770) 400-4700
✔ PECOS✔ Accepts Medicare15 mi
Sasha Wahab, MD, MA
Radiation Oncology
NPI 1053438762
1133 EAGLES LANDING PKWY
Stockbridge, GA 30281
(770) 228-3737
✔ PECOS✔ Accepts Medicare17 mi
Christopher Williamson, MD
Radiation Oncology
NPI 1326675208
960 HOSPITAL DR
Stockbridge, GA 30281
(770) 907-0554
✔ PECOS✔ Accepts Medicare17 mi
Kim Neisler, MD
Radiation Oncology
NPI 1093760217
960 HOSPITAL DR
Stockbridge, GA 30281
(678) 251-1099
✔ PECOS✔ Accepts Medicare17 mi
David Shaw, MD
Radiation Oncology
NPI 1164461281
1800 HOSPITAL SOUTH DR
Austell, GA 30106
(770) 948-6000
✔ PECOS✔ Accepts Medicare28 mi
Radhika Sreeraman Kumar, M.D.
Radiation Oncology
NPI 1265711394
3800 HOMESTEAD RD
Santa Clara, CA 95051
(408) 851-8000
✔ PECOS2,119 mi

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 Therapeutic Radiation Oncology, PC's NPI number?

The NPI number for Therapeutic Radiation Oncology, PC is 1629019534. It was assigned to this organization in the NPPES registry on June 10, 2006.

Where is Therapeutic Radiation Oncology, PC located?

Therapeutic Radiation Oncology, PC is located at 1255 Highway 54 W, Fayetteville, GA 30214. The listed phone number is (770) 719-5850.

What is Therapeutic Radiation Oncology, PC's specialty?

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

Is Therapeutic Radiation Oncology, PC enrolled in Medicare?

Yes. Therapeutic Radiation Oncology, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Therapeutic Radiation Oncology, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 9 clinicians, all in Radiation Oncology, reassign their Medicare billing to Therapeutic Radiation Oncology, PC. 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. Of these, 1 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Therapeutic Radiation Oncology, PC accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee list Therapeutic Radiation Oncology, PC 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 Therapeutic Radiation Oncology, PC was last updated on December 27, 2021. 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.