Grant W. McKenzie, MD
Radiation Oncology Physician · Winston Salem, NC
Grant W. McKenzie, MD is a radiation oncology physician with a practice address in Winston Salem, North Carolina, and NPI 1134651599, issued on Apr 3, 2017. Check the license (North Carolina 2024-00919, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Grant W. McKenzie
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- 2024-00919 NC
R5143 KY
Self-reported in NPPES; status is on the state search - Practice location
- 3333 Silas Creek Pkwy, Winston Salem, NC 27103
- Phone
- (336) 718-3013
- Enumerated
- Apr 3, 2017
- Record last updated
- Jun 12, 2024
- Medicare enrollment
- Enrolled (PECOS I20240809000661); accepts Medicare assignment
- Medical or professional school
- University Of Louisville School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 230 in North Carolina → Look up another NPI →
Also registered at 3333 Silas Creek Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Wakeem AbrahamHospitalist Physician1083317184
- Indrani Acosta, M.D.Neurology Physician1962699892
- Quentin Adams, M.D.Radiation Oncology Physician1679923270
- Richard Adams, LPCMental Health Counselor1871868315
- Emily Addington, FNP-CNurse Practitioner1174251193
- Victor Adkisson, MDInternal Medicine Physician1912058553
Verify Grant W. McKenzie in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 2024-00919Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average radiation oncology physician in 2024
75 Medicare Part D claims for 43 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Mometasone Furoate17 claims
- Tamsulosin Hcl15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $543.77
16 payments; by number, the most common kind was food and beverage; the largest payer was Novocure 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
- Piedmont Radiation Oncology P AWinston Salem, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grant W. McKenzie among 230 radiation oncology physician records in North Carolina
Grant W. McKenzie, MD is one of 230 radiation oncology physician records with a practice address in North Carolina. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 90% of them.
- NPI issued2017 · 90% of these records are older, 7% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2019 · median 2003 among the 166 with a school on file
- Record last updated2024 · 67% 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 North Carolina 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 North Carolina
There are 230 radiation oncology physician records in North Carolina.
All 230 in North Carolina → Every provider in Winston Salem → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Quentin Adams, M.D.Winston Salem, NC 271031679923270
- Casey BullerWinston Salem, NC 271031235805425
- Lisa Evans, MDWinston Salem, NC 271031952494122
- Andrew Fairchild, MDWinston Salem, NC 271031639524978
- Jeffrey Kuremsky, MDWinston Salem, NC 271031508094681
- Ann McCunniff, MDWinston Salem, NC 271031538147905
- Beverly Moose, MDWinston Salem, NC 271031487747648
- Philmo Oh, M.D., PH.D.Winston Salem, NC 271031184069478
Common questions
What is Grant W. McKenzie, MD's NPI number?
Grant W. McKenzie, MD's National Provider Identifier (NPI) is 1134651599, issued on Apr 3, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Grant W. McKenzie, MD located?
The NPPES record lists a practice address at 3333 Silas Creek Pkwy, Winston Salem, NC, 27103. Phone: (336) 718-3013. Providers update this record themselves, so call before visiting.
How can I verify Grant W. McKenzie, MD's license?
NPPES lists North Carolina license number 2024-00919, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Grant W. McKenzie, MD prescribe under Medicare Part D?
In 2024, Grant W. McKenzie, MD had 75 Medicare Part D claims for 43 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
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.