Doctor Profile

Nephrology · Nephrology

Carlos F. Zayas

MD · Nephrology · University Of Puerto Rico School Of Medicine
210 FREEMAN FARM RD
Duncan, SC 29334
✓ Accepts Medicare 🎓 36+ Years Practicing
213
Medicare Patients / yr
4
Procedures Billed
36
Years Practicing
5
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 Carlos F. Zayas'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. Zayas

See which plans Dr. Zayas 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. Zayas is to compare every Medicare Advantage and Part D plan available near 29334, SC — the Nephrology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 29334, SC →

Or call the office at (864) 968-5123 to confirm acceptance directly.

What Dr. Zayas Does

Dr. Zayas served 213 Medicare patients across 655 services in the latest CMS reporting year. That's 78% below the average Nephrology in South Carolina (968 patients across 112 doctors).

ProcedureServicesMedicare Patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)27876
Established patient office or other outpatient visit, 30-39 minutes (99214)26975
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)6927
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)3935

How to read this: "Services" are the total times Dr. Zayas 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. Zayas is affiliated with 5 hospitals according to CMS Physician Compare. Below are the 5 hospitals with full quality profiles on our site. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Prisma Health Greer Memorial Hospital

Spartanburg, SC
★★★★★ 5/5 CMS Rating

Anmed Health

Anderson, SC
★★★★☆ 4/5 CMS Rating

Prisma Health Greenville Memorial Hospital

Greenville, SC
★★★★☆ 4/5 CMS Rating

Prisma Health Hillcrest Hospital

Simpsonville, SC
★★★★☆ 4/5 CMS Rating

Prisma Health Baptist Easley Hospital

Easley, SC
★★☆☆☆ 2/5 CMS Rating

Practice Location & Telehealth Readiness

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

Address: 210 FREEMAN FARM RD, Duncan, SC 29334
Phone: (864) 968-5123

Area Safety Grade

D+

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

30 min

Average commute time in this zip · 91% 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

69.9279

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

Get directions on Google Maps →

Other Nephrology Doctors near 29334, SC

If Dr. Zayas isn't accepting new patients or isn't in your plan's network, these are the closest nephrology doctors near 29334, SC:

DoctorSpecialtyMedicare Patients / yrDistance
Kory S. DrakeNephrology769.8 mi
Barry R. GorlitskyNephrology5289.8 mi
Muhammad Y. EbrahimNephrology96211.6 mi
Lawrence S. Mcgee, IiiNephrology39511.6 mi
Kofi AppiahNephrology65911.6 mi

View all nephrology doctors near 29334, SC →

How to Use This Information

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

Compare Medicare Plans near 29334, SC → All Doctors near 29334, SC

Carlos F. Zayas: Common Questions

Does Dr. Zayas accept Medicare?
Yes. Dr. Zayas is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Zayas depends on that plan's provider network. Compare Medicare plans near 29334, SC →
Where is Dr. Zayas's office?
Dr. Zayas practices at 210 FREEMAN FARM RD, Duncan, SC 29334. Phone: (864) 968-5123.
What Medicare plans does Dr. Zayas accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (864) 968-5123 to confirm your specific plan is accepted, or compare all Medicare plans near 29334, SC to see available options.
Does Dr. Zayas offer telehealth visits?
CMS does not currently list Dr. Zayas as offering telehealth. Call the office at (864) 968-5123 to confirm whether virtual visits are available.
How experienced is Dr. Zayas?
Dr. Zayas graduated in 1990 and has been practicing for approximately 36 years. In the latest CMS reporting year, Dr. Zayas treated 213 Medicare patients across 4 distinct procedure types.
How do I know if Dr. Zayas 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 (864) 968-5123 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 Nephrology Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 29334, SC:

Does your Medicare plan cover Dr. Zayas?

Compare Plans near 29334, SC →