Doctor Profile
Sien S. Rivera
SUITE 420
Columbia, SC 29203
Quick Actions
💳 Check Plan Coverage 📞 Call Office 🗺️ Get Directions 🏛️ Verify on Medicare.govReviewed by: Wes Ward, Founder & Data Lead • View our methodology
Important: We are not affiliated with Medicare, CMS, or Sien S. Rivera'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 Sien Rivera
See which plans Sien Rivera 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 Sien Rivera is to compare every Medicare Advantage and Part D plan available near 29203, SC — the Psychiatry's office can quickly confirm which of the top local plans they accept.
Compare Medicare Plans near 29203, SC →Or call the office at (803) 545-5350 to confirm acceptance directly.
What Sien Rivera Does
Sien Rivera served 15 Medicare patients across 37 services in the latest CMS reporting year. That's 89% below the average Psychiatry in South Carolina (132 patients across 246 doctors).
| Procedure | Services | Medicare Patients |
|---|---|---|
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231) | 37 | 15 |
How to read this: "Services" are the total times Sien Rivera 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
CMS does not list any hospital affiliations for Sien Rivera. This is common for office-based practitioners who don't admit patients to hospitals.
Practice Location & Telehealth Readiness
Sien Rivera practices at the address below. If you're evaluating Medicare coverage, location matters for in-network access and — when Sien Rivera offers telehealth — broadband availability at your home matters for virtual visits.
Address: 1 RICHLAND MEDICAL PARK DR, SUITE 420, Columbia, SC 29203
Phone: (803) 545-5350
Practice Accessibility
Average commute time in this zip · 81% 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
Households with fiber broadband — important for reliable virtual visits. Check your address at ISPReports.org.
Other Mental Health Doctors near 29203, SC
If Sien Rivera isn't accepting new patients or isn't in your plan's network, these are the closest mental health doctors near 29203, SC:
| Doctor | Specialty | Medicare Patients / yr | Distance |
|---|---|---|---|
| Maria T. Yu | Psychiatry | 14 | 1.6 mi |
| Philip C. Bowman | Psychiatry | — | 1.7 mi |
| Rushiraj C. Laiwala | Psychiatry | 98 | 1.7 mi |
| Benjamin D. Potter | Psychiatry | 13 | 1.7 mi |
| Candiah Thiagarajah | Psychiatry | 19 | 1.7 mi |
| Alexander J. Mcdonald | Psychiatry | — | 1.8 mi |
How to Use This Information
Choosing a Medicare plan that covers Sien Rivera takes three steps:
- Verify network status. Medicare Advantage plans each have their own provider networks. The same doctor may be in-network for one plan and out-of-network for another. Compare all Medicare plans near 29203, SC →
- Confirm directly with the office. Call Sien Rivera's office at (803) 545-5350 to verify they're accepting new patients and which plans they currently accept. Use our printable question list →
- Check enrollment windows. You can only switch Medicare plans during specific periods. Missing a deadline can cost you a year of coverage. Review enrollment dates →
Sien S. Rivera: Common Questions
Does Sien Rivera accept Medicare?
Where is Sien Rivera's office?
What Medicare plans does Sien Rivera accept?
Does Sien Rivera offer telehealth visits?
How experienced is Sien Rivera?
How do I know if Sien Rivera is in-network for my Medicare plan?
About the Reviewer
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:
How to Choose a Medicare Plan
In-depth guide to plan types, Star Ratings, drug tiers, and costs.
Enrollment Checklist
Printable step-by-step guide to gather your info and enroll.
Enrollment Dates & Deadlines
Key periods, timelines, and penalty calculations.
Questions for Your Doctor
Printable list to discuss Medicare with Sien Rivera or any physician.
Medicare Glossary
Definitions for 40+ complex Medicare terms.
Our Methodology
Learn how we source and verify CMS data for accuracy.