Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
DR. GREGORY S SIBLEY, M.D.
ActiveDR. GREGORY S SIBLEY, M.D. is a Radiation Oncology healthcare provider located in FAIRFAX, Virginia. NPI 1043211360 is currently active in the NPPES registry. Verify at CMS.
Radiation Oncology · FAIRFAX, VA
Registration Details
- NPI Number
- 1043211360
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Aug 9, 2005 (20.974589405128 yrs)
- Last Updated
- Nov 11, 2025
- License
-
0101052359 (VA)
Practice Information
- Address
-
8613 ROUTE 29 STE 100NFAIRFAX, VA, 220312172Browse VA providers · Browse ZIP 22031
- Phone
- 5713508400
- Fax
- 7032809596
- Primary Specialty
-
Radiation Oncology
2085R0001X
Other Radiation Oncology Providers in FAIRFAX, VA
| Name | Credential | NPI |
|---|---|---|
| DR. ASHISH K CHAWLA | M.D. | 1699777599 |
| DR. SAMIR KANANI | M.D. | 1558336719 |
| STELLA HETELEKIDIS | MD | 1467416693 |
| GOPAL KRISHNA BAJAJ | M.D. | 1922063197 |
| DR. HAROLD AGBAHIWE | M.D. | 1073797460 |
| KEVIN SOOHYUNG CHOE | MD | 1609043892 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.