Grant W. McKenzie, MD

Medicare activity in 2024

Official CMS public-use data for Grant W. McKenzie, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Ct guidance for insertion of radiation therapy fields (77014)69 services
2. Calculation of radiation therapy dose (77300)41 services
3. Radiation treatment management, 5 treatment sessions (77427)21 services
4. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)19 services
5. Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (G2212)18 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
• High blood pressure69%
• High cholesterol67%
• Arthritis52%
• Anxiety33%
• Diabetes30%

Hospitals where Grant W. McKenzie works

Medicare's Facility Affiliation Data lists Grant W. McKenzie at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• North Carolina Baptist HospitalWinston-Salem, NC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 340047
• Novant Health Forsyth Medical CenterWinston-Salem, NC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 340014
• Novant Health Thomasville Medical CenterThomasville, NC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 340085

Practice locations

Addresses where Grant W. McKenzie is enrolled with Medicare (CMS data updated October 2, 2026).

• 3333 Silas Creek PkwyWinston Salem, NC 27103 (336) 718‑8592

Group practices

Medicare enrollment lists Grant W. McKenzie as a member of this group (CMS data updated October 2, 2026).

• Piedmont Radiation Oncology P A6 clinicians in the group

Specialties

• Radiation Oncologyprimary

Find other Radiation Oncology doctors in North Carolina →

Other radiation oncologists in Winston Salem

Clinicians with the same Medicare primary specialty in Winston Salem, NC — not a recommendation.

• Ryan T. Hughes
• Gregory L. Fiets, MD
• Doris R. Brown
• James E. Han, MD

All radiation oncologists in Winston Salem →

Other clinicians in Piedmont Radiation Oncology P A

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Judith D. Sears, MD
• Kelli A. Reardon
• Philmo Y. Oh, MD
• Andrew T. Fairchild, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians