1. Home
  2. Directory
  3. Virginia
  4. Fairfax
  5. Radiology
  6. NPI Profile

RADIATION ONCOLOGY ASSOCIATES, PC
NPI 1013962836
Radiology - Radiation Oncology in Fairfax, VA

Active since May 23, 2006
8081 INNOVATION PARK DR, FAIRFAX, VA 22031(571) 472-0606(571) 472-0540 Get Directions Write a Review

NPPES record last updated: June 28, 2019. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Radiation Oncology Associates, Pc NPPES

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

RADIATION ONCOLOGY ASSOCIATES, PC (NPI 1013962836), doing business as John G. Mayer, Md, Phd, Pc, is a healthcare organization registered as a radiation oncology in Fairfax, Virginia and active in the NPI registry since May 2006. The organization lists Stella Hetelekidis, President, as its authorized official.

NPPES Registry Identity

NPI1013962836
Entity TypeOrganization
Primary Taxonomy2085R0001X
Legal Business NameRADIATION ONCOLOGY ASSOCIATES, PC
Location Address8081 INNOVATION PARK DRFairfax, VA 22031-4867
Mailing Address9568 Kings Charter Dr, Suite 202Ashland, VA 23005-0078 · (804) 266-8717 · Fax (804) 266-5677
Phone(571) 472-0606
Fax(571) 472-0540
Organization SubpartNo
Authorized OfficialStella HetelekidisPresident · (703) 776-3731
Enumeration DateMay 23, 2006
Last NPPES UpdateJune 28, 2019
✔ NPI 1013962836 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.

8081 INNOVATION PARK DR, Fairfax, VA 22031
Open in Google Maps ↗

Other Names 1

Former Legal Business NameJohn G. Mayer, Md, Phd, Pc

Other Identifiers 1

Medicaid1013962836VA

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

Other Providers at the Same Location NPPES 20

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

DR. RAYMUND S CUEVO M.D.
Internal Medicine (Medical Oncology)
8081 INNOVATION PARK DR
FAIRFAX, VA 22031
Fairfax County (571) 472-4724
DR. MICHAEL MAITLAND M.D., PH.D.
Internal Medicine (Medical Oncology)
8081 INNOVATION PARK DR
FAIRFAX, VA 22031
Fairfax County (571) 472-4724
KATHLEEN KIERNAN HARNDEN M.D.
Internal Medicine (Medical Oncology)
8081 INNOVATION PARK DR
FAIRFAX, VA 22031
Fairfax County (571) 472-4724
MRS. MEGAN R SLOCUM PA-C
Physician Assistant
8081 INNOVATION PARK DR
FAIRFAX, VA 22031
Fairfax County (571) 472-4724
SHEINEI SALEEM ALAN MD, PHD
Internal Medicine
8081 INNOVATION PARK DR
FAIRFAX, VA 22031
Fairfax County (571) 472-1390
CARRIE PEERS RDN
Dietitian, Registered
8081 INNOVATION PARK DR
FAIRFAX, VA 22031
Fairfax County (571) 472-1945
DR. EUN-MI YU M.D.
Internal Medicine (Medical Oncology)
8081 INNOVATION PARK DR
FAIRFAX, VA 22031
Fairfax County (571) 472-4724
DR. AUSTIN LAM PHARMD
Pharmacist
8081 INNOVATION PARK DR
FAIRFAX, VA 22031
Fairfax County (571) 472-1100

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 Associates, PC's NPI number?

The NPI number for Radiation Oncology Associates, PC is 1013962836. It was assigned to this organization in the NPPES registry on May 23, 2006. The provider was formerly known as John G. Mayer, MD, Phd, PC.

Where is Radiation Oncology Associates, PC located?

Radiation Oncology Associates, PC is located at 8081 Innovation Park Dr, Fairfax, VA 22031. The listed phone number is (571) 472-0606.

What is Radiation Oncology Associates, PC's specialty?

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

When was this NPI record last updated?

The NPPES record for Radiation Oncology Associates, PC was last updated on June 28, 2019. NPI Profile syncs with the weekly NPPES data releases published by CMS.