Doctor Profile

Cancer Care · Radiation Oncology

Margaret Macdowell

MD · Radiation Oncology · Medical University Of South Carolina College Of Medicine
9330 MEDICAL PLAZA DR
Charleston, SC 29406
✓ Accepts Medicare 🎓 37+ Years Practicing
544
Medicare Patients / yr
13
Procedures Billed
37
Years Practicing
1
Hospital Affiliations
Data Source: Identity from NPPES (2026). Procedure & patient volume from CMS Medicare Provider Utilization & Payment Data (2023). Hospital affiliations from CMS Physician Compare. We display publicly reported data — no personal information required to view any of it.
Reviewed by: Wes Ward, Founder & Data Lead • View our methodology

Important: We are not affiliated with Medicare, CMS, or Margaret Macdowell's practice. This page displays publicly available CMS data to help you research Medicare providers. We do not sell insurance or represent any insurance company. For official enrollment and complete plan information, visit Medicare.gov or call 1-800-MEDICARE.

Medicare Plans That Cover Dr. Macdowell

See which plans Dr. Macdowell accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for South Carolina, the fastest way to find a Medicare plan that covers Dr. Macdowell is to compare every Medicare Advantage and Part D plan available near 29406, SC — the Radiation Oncology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 29406, SC →

Or call the office at (843) 847-4946 to confirm acceptance directly.

What Dr. Macdowell Does

Dr. Macdowell served 544 Medicare patients across 1,407 services in the latest CMS reporting year. That's 45% below the average Radiation Oncology in South Carolina (986 patients across 60 doctors).

ProcedureServicesMedicare Patients
Ct guidance for insertion of radiation therapy fields (77014)52473
Radiation treatment management, 5 treatment sessions (77427)21265
Calculation of radiation therapy dose (77300)16559
Design and construction of complex radiation treatment device (77334)11660
Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (G6002)11421

How to read this: "Services" are the total times Dr. Macdowell billed Medicare for each procedure in the latest reporting year. "Patients" counts unique Medicare beneficiaries. Procedures are shown in plain English; the underlying HCPCS codes are available on request.

Hospital Affiliations

Dr. Macdowell is affiliated with 1 hospital in the CMS Physician Compare database. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Trident Medical Center

Charleston, SC
★★★☆☆ 3/5 CMS Rating

Practice Location & Telehealth Readiness

Dr. Macdowell practices at the address below. If you're evaluating Medicare coverage, location matters for in-network access and — when Dr. Macdowell offers telehealth — broadband availability at your home matters for virtual visits.

Address: 9330 MEDICAL PLAZA DR, Charleston, SC 29406
Phone: (843) 847-4946

Area Safety Grade

F

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

29 min

Average commute time in this zip · 86% of residents drive to work. Practical context for patients deciding whether to make the trip. See the full neighborhood profile at BestNeighborhood.org.

Telehealth Readiness

47.7096

Households with fiber broadband — important for reliable virtual visits. Check your address at ISPReports.org.

Get directions on Google Maps →

Other Cancer Care Doctors near 29406, SC

If Dr. Macdowell isn't accepting new patients or isn't in your plan's network, these are the closest cancer care doctors near 29406, SC:

DoctorSpecialtyMedicare Patients / yrDistance
Ashley A. JeterHematology/Oncology4163.5 mi
Charles S. HolladayHematology/Oncology4893.5 mi
Douglas L. MichaelsenHematology/Oncology5863.5 mi
Julia H. SaylorsHematology/Oncology4563.5 mi
Anand K. SharmaRadiation Oncology7903.6 mi
Yanis BellilHematology/Oncology9523.7 mi

View all cancer care doctors near 29406, SC →

How to Use This Information

Choosing a Medicare plan that covers Dr. Macdowell takes three steps:

Compare Medicare Plans near 29406, SC → All Doctors near 29406, SC

Margaret Macdowell: Common Questions

Does Dr. Macdowell accept Medicare?
Yes. Dr. Macdowell is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Macdowell depends on that plan's provider network. Compare Medicare plans near 29406, SC →
Where is Dr. Macdowell's office?
Dr. Macdowell practices at 9330 MEDICAL PLAZA DR, Charleston, SC 29406. Phone: (843) 847-4946.
What Medicare plans does Dr. Macdowell accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (843) 847-4946 to confirm your specific plan is accepted, or compare all Medicare plans near 29406, SC to see available options.
Does Dr. Macdowell offer telehealth visits?
CMS does not currently list Dr. Macdowell as offering telehealth. Call the office at (843) 847-4946 to confirm whether virtual visits are available.
How experienced is Dr. Macdowell?
Dr. Macdowell graduated in 1989 and has been practicing for approximately 37 years. In the latest CMS reporting year, Dr. Macdowell treated 544 Medicare patients across 13 distinct procedure types.
How do I know if Dr. Macdowell is in-network for my Medicare plan?
Network status varies by plan. The best verification steps: (1) check your plan's provider directory at the carrier's website, (2) call the office at (843) 847-4946 and ask which plans they currently accept, and (3) call the number on the back of your Medicare card. Print our doctor questions checklist →

About the Reviewer

Wes Ward

Wes Ward

Founder & Data Lead

Wes Ward reviews all doctor profiles and methodology for data accuracy. Every Medicare provider page on this site — including the utilization statistics, hospital affiliations, and geocoded practice address — goes through his data-validation pipeline before publication. We display only publicly available CMS data; you never need to enter personal information to see any of it.

With 25+ years in data analytics — including work with highly regulated genomic data at Ancestry.com — Wes brings enterprise-level rigor to healthcare transparency. He is also a co-founder of BestNeighborhood.org (neighborhood data), CrimeGrade.org (block-level safety analytics), and ISPReports.org (broadband availability for telehealth). Those sister sites power the location and telehealth-readiness context on this page.

View full profile →LinkedIn

Data sources: CMS NPPES (2026), CMS Medicare Provider Utilization & Payment Data (2023), CMS Physician Compare, CrimeGrade.org, BestNeighborhood.org, ISPReports.org. This page is for informational purposes only. Always verify coverage directly with the plan and practice. Read our full methodology →Privacy policy

Medicare Resources

Choosing the right Medicare plan involves more than just doctor coverage. These guides help you evaluate the full picture:

Medicare Plans for Conditions Treated by Cancer Care Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 29406, SC:

Does your Medicare plan cover Dr. Macdowell?

Compare Plans near 29406, SC →