BrachytherapyGenital Neoplasms, FemaleMachine Learning
Dr. Grant W. McKenzie, MD
NPI1134651599PAC ID5597189654
- Medicare services, 2024
- 184
- Medicare patients, 2024
- 54
- Part D claims, 2024
- 75
- Publications
- 13
- MIPS score, 2024
- 100
- Practice address
- 3333 Silas Creek Parkway, Winston Salem, NC 27103
- Practice phone
- Call (336) 718-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. McKenzie's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Grant W. McKenzie is a radiation oncologist in Winston Salem, North Carolina
Dr. McKenzie practices at Novant Health Forsyth Medical Center in Winston Salem, North Carolina, part of Novant Health.
Dr. McKenzie's NPI, 1134651599, was assigned on April 3, 2017. Dr. McKenzie graduated from University of Louisville School of Medicine in 2019. Dr. McKenzie holds North Carolina license 2024-00919.
NPI and contact details
- NPI
- 1134651599NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597189654
- NPI enumeration date
- April 3, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (336) 718-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Grant W. McKenzie practices at Novant Health Forsyth Medical Center in Winston Salem, North Carolina
Dr. McKenzie's primary practice is Novant Health Forsyth Medical Center, at 3333 Silas Creek Parkway, Winston Salem, NC 27103 in Forsyth County. The practice phone is (336) 718-5000.
- Novant Health Forsyth Medical Center3333 Silas Creek Parkway, Winston Salem, NC 27103 · Forsyth CountyPhone(336) 718-5000
Source: Dmand AI Affiliation Data
Dr. Grant W. McKenzie is affiliated with 4 sites of care and 1 medical group
Dr. McKenzie's primary practice is Novant Health Forsyth Medical Center in Winston Salem, North Carolina, part of Novant Health. Dr. McKenzie is also affiliated with Atrium Health Wake Forest Baptist Medical Center. The medical group on file is Piedmont Radiation Oncology - Forsyth. Dmand AI also links Dr. McKenzie to 1 more hospital and 1 hospital outpatient department, each named with a free account.
Atrium Health Wake Forest Baptist Medical CenterPiedmont Radiation Oncology - Forsyth1 hospitalName with a free account1 hospital outpatient departmentName with a free account
See all 5 affiliations for Dr. McKenzieSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Grant W. McKenzie's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McKenzie practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Novant Health Forsyth Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Grant W. McKenzie is one of 206 radiation oncologists in North Carolina
Radiation oncology is Dr. McKenzie's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dmand AI has Dr. McKenzie's licenses on file in 2 states: North Carolina and Kentucky.
Specialties and state licenses
- Radiation oncology, North CarolinaPrimary
- Therapeutic radiology, Kentucky
Radiation oncologists near Dr. McKenzie
Counts of radiation oncologists with a Dmand AI profile, by place and practice. Each opens the list.
206radiation oncologists in North Carolina11radiation oncologists in Winston Salem7radiation oncologists at Novant Health Forsyth Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Grant W. McKenzie billed Medicare for 184 services in 2024
CMS data shows 184 Medicare services from Dr. McKenzie across 6 procedure codes in 2024, for 54 Medicare patients. Medicare paid $11,299 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024184
Medicare patients54
Paid by Medicare$11,299
Procedure codes6
Dr. McKenzie's Medicare services by type, 2024
- Imaging147
- Office and hospital visits19
- Other services18
Dr. McKenzie compared with the North Carolina median for radiation oncologists, 2024
- Dr. McKenzie
- North Carolina median
- Medicare services
- 184vs 1,29286% below
- Medicare patients
- 54vs 18270% below
- Part D claims
- 32vs 4224% below
Medians across 199 radiation oncologists in North Carolina with Dmand AI profiles that report each measure.
Dr. McKenzie's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Grant W. McKenzie treated 54 Medicare patients in 2024, average age 74
CMS counts 54 Medicare patients who saw Dr. McKenzie in 2024. The largest group is 65 to 74, with 26 patients. 75% of them have cancer, and 69% have high blood pressure. Their average risk score is 1.45, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. McKenzie's median patient age at 73, with 49% women.
Medicare patients, 202454
Average age74
Average risk score1.45
Dr. McKenzie's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. McKenzie's Medicare patients by sex, 2024
- Women3463%
- Men2037%
Chronic conditions among Dr. McKenzie's Medicare patients, 2024
- Cancer75%
- High blood pressure69%
- High cholesterol67%
- Arthritis52%
- Anxiety33%
- Mood disorders33%
- Diabetes30%
- Depression28%
Share of Medicare patients with each condition. A patient can have several.
Dr. McKenzie's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Grant W. McKenzie wrote 75 Medicare Part D claims in 2024
In 2024, Dr. McKenzie wrote 75 Medicare Part D claims for 43 patients. 91% of them were for generic drugs. CMS names the drug for 32 of them, across 2 drugs with 11 or more claims each, at $488 in total drug cost. In 2022, CMS named 46 claims across 3 drugs.
Part D claims, 202475
Drugs named by CMS2
Total drug cost$488
Part D patients43
Dr. McKenzie's Part D claims by kind of drug, 2024
- Generic68 claims91%
- Brand-name and other7 claims9%
Dr. McKenzie's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 462024: 3230%
Drugs named by CMS: 2 in 2024, 3 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Grant W. McKenzie scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. McKenzie for performance year 2024, reported as part of a group. Dr. McKenzie accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. McKenzie's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Grant W. McKenzie has 13 publications on record
Dmand AI links 13 papers to Dr. McKenzie, published from 2016 to 2025. 2021 was the busiest year, with 3. The most frequent topics are Brachytherapy and Radiotherapy Dosage. Dr. McKenzie has published most often in PLoS One. Dr. McKenzie's most frequent co-authors are Abbas Rattani, MD, Mehran B. Yusuf and Neal Dunlap, MD.
Papers13
Years published2016 to 2025
Dr. McKenzie's papers by year, 2016 to 2025
Topics Dr. McKenzie writes about most
- Brachytherapy
- Radiotherapy Dosage
Dr. McKenzie's most frequent co-authors
Recent publications by Dr. McKenzie
BrachytherapyOrgans at RiskRadiation Injuries
AstrocytomaChemoradiotherapyDemography
Brain NeoplasmsHemorrhageMelanoma
See who Dr. McKenzie researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. McKenzie works with, so you can find a warm path to the right radiation oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Grant W. McKenzie received $3,863 in industry payments from 2020 to 2025
CMS Open Payments shows 77 general payments to Dr. McKenzie from 28 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 80% of the total. Palette Life Sciences, Inc. paid the most, $1,080.
General payments to Dr. McKenzie by program year, 2020 to 2025
General payments to Dr. McKenzie by kind, 2020 to 2025
$3.9Kin total
- Food and beverage$3,10480%
- Travel and lodging$75920%
Companies that paid Dr. McKenzie the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Grant W. McKenzie graduated from University of Louisville School of Medicine
Dr. McKenzie graduated from University of Louisville School of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Grant W. McKenzie's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Grant W. McKenzie
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Grant W. McKenzie's NPI number?
Dr. Grant W. McKenzie's NPI number is 1134651599. It was assigned on April 3, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Grant W. McKenzie?
Dr. Grant W. McKenzie is a radiation oncologist in Winston Salem, North Carolina. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Grant W. McKenzie practice?
Dr. McKenzie practices at 3333 Silas Creek Parkway, Winston Salem, NC 27103. Dr. McKenzie's primary practice is Novant Health Forsyth Medical Center in Winston Salem, North Carolina, part of Novant Health. Dmand AI also links Dr. McKenzie to 1 hospital and 1 hospital outpatient department.
What is Dr. Grant W. McKenzie's office phone number?
The practice phone on file for Dr. McKenzie is (336) 718-5000.
What is Dr. Grant W. McKenzie's medical license number?
Dr. McKenzie holds North Carolina license 2024-00919, one of the licenses on file in 2 states.
Which states has Dr. Grant W. McKenzie been licensed in?
Dmand AI has state licenses on file for Dr. McKenzie in North Carolina and Kentucky.
Which hospitals is Dr. Grant W. McKenzie affiliated with?
Dr. McKenzie practices at Novant Health Forsyth Medical Center in Winston Salem, North Carolina. Dr. McKenzie is also affiliated with Atrium Health Wake Forest Baptist Medical Center. Dmand AI links Dr. McKenzie to 1 more hospital.
What medical group is Dr. Grant W. McKenzie part of?
Dr. McKenzie is linked to Piedmont Radiation Oncology - Forsyth.
Does Dr. Grant W. McKenzie accept Medicare?
Yes. CMS data shows Dr. McKenzie billed Medicare for 184 services in 2024, and Dr. McKenzie accepts Medicare assignment.
What is Dr. Grant W. McKenzie's MIPS score?
Dr. McKenzie's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Grant W. McKenzie see?
CMS counts 54 Medicare patients who saw Dr. McKenzie in 2024, with an average age of 74.
What services does Dr. Grant W. McKenzie bill to Medicare?
In 2024, Dr. McKenzie's most billed Medicare services were radiation oncology (77014), radiation oncology (77300) and radiation oncology (77427).
Where did Dr. Grant W. McKenzie go to medical school?
Dr. McKenzie graduated from University of Louisville School of Medicine in 2019.
What drugs does Dr. Grant W. McKenzie prescribe most?
In 2024 Medicare Part D data, Dr. McKenzie's most prescribed drugs by claims were Mometasone Furoate and Tamsulosin HCl.
Has Dr. Grant W. McKenzie received payments from drug or device companies?
CMS Open Payments shows $3,863 in general payments to Dr. McKenzie from 28 companies from 2020 to 2025. The largest total came from Palette Life Sciences, Inc.
How long has Dr. Grant W. McKenzie been practicing?
Dr. McKenzie graduated from medical school in 2019, 7 years ago.
Does Dr. Grant W. McKenzie do research?
Dmand AI links 13 publications to Dr. McKenzie, published from 2016 to 2025.
Who does Dr. Grant W. McKenzie publish with?
Dr. McKenzie's most frequent co-authors are Abbas Rattani, MD (5 shared papers), Mehran B. Yusuf (5 shared papers) and Neal Dunlap, MD (4 shared papers).
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