Graham Walter Warren, MD
Radiation Oncology Physician · Lexington, KY
Graham Walter Warren, MD is a radiation oncology physician with a practice address in Lexington, Kentucky, and NPI 1043473739, issued on Jul 3, 2008. Check the license (Kentucky 60454, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Graham Walter Warren
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- 60454 KY
253883 NY
35282 SC
Self-reported in NPPES; status is on the state search - Practice location
- 800 Rose St Ste C114D, Lexington, KY 40536
- Phone
- (859) 257-7618
- Enumerated
- Jul 3, 2008
- Record last updated
- Mar 21, 2025
- Fax
- (859) 257-4060
- Medicaid ID
- 03122896 NY
- Medicare enrollment
- Enrolled (PECOS I20250407000516); accepts Medicare assignment
- Medical or professional school
- University Of Kentucky College Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 88 in Kentucky → Look up another NPI →
Also registered at 800 Rose St Ste C114D
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leah D'Souza, MDRadiation Oncology Physician1215554852
- Rafael Ferreira De Carvalho, MDRadiation Oncology Physician1942950316
- Ritesh Kumar, MDRadiation Oncology Physician1376171124
- Beth Martin, APRNFamily Nurse Practitioner1922742733
- Amy Tompkins, APRNFamily Nurse Practitioner1912544545
- Weisi Yan, M.D.Radiation Oncology Physician1649405028
Verify Graham Walter Warren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 60454Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $1,177.65
1 payment: consulting fee; the largest payer was Siemens Medical Solutions USA, Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Kentucky Medical Services Foundation, IncLexington, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Graham Walter Warren among 88 radiation oncology physician records in Kentucky
Graham Walter Warren, MD is one of 88 radiation oncology physician records with a practice address in Kentucky. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 60% of them.
- NPI issued2008 · 60% of these records are older, 33% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated2004 · median 2004 among the 68 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Kentucky
There are 88 radiation oncology physician records in Kentucky.
All 88 in Kentucky → Every provider in Lexington → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Mark Bernard, M.D.Lexington, KY 405361932468246
- Denise FabianLexington, KY 405361992183065
- Jonathan Feddock, MDLexington, KY 405361164685012
- Aradhana Kaushal, MDLexington, KY 405361629240627
- Ronald McGarry, M.D., PH.D.Lexington, KY 405361144284894
- Pushpa Patel, MDLexington, KY 405361710905054
- Marcus Randall, MDLexington, KY 405361487641700
- Marguerite Sellitti, MDLexington, KY 405361508890534
Common questions
What is Graham Walter Warren, MD's NPI number?
Graham Walter Warren, MD's National Provider Identifier (NPI) is 1043473739, issued on Jul 3, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Graham Walter Warren, MD located?
The NPPES record lists a practice address at 800 Rose St Ste C114D, Lexington, KY, 40536. Phone: (859) 257-7618. Providers update this record themselves, so call before visiting.
How can I verify Graham Walter Warren, MD's license?
NPPES lists Kentucky license number 60454, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.