Quick answers
- Where does Sien S. Rivera see patients?
- Medicare's clinician data lists 2 practice locations, including Columbia, SC. Call before your visit to confirm the address.
- What is Sien S. Rivera's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Sien S. Rivera accept Medicare assignment?
- Yes. Medicare's clinician data says Sien S. Rivera accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Sien S. Rivera offer telehealth?
- Medicare's clinician data says Sien S. Rivera offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Sien S. Rivera?
- (803) 545-5350, as listed in official Medicare / NPI Registry data.
- What is Sien S. Rivera's NPI number?
- 1336660497. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Sien S. Rivera is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Richland Medical Park Dr, Suite 420Columbia, SC 29203 (803) 545‑5350
- 2 Medical Park Rd, Suite 506Columbia, SC 29203 (803) 540‑1000
Group practices
Medicare enrollment lists Sien S. Rivera as a member of this group (CMS data updated 2026-10-02).
- Prisma Health Medical Group-Midlands1,068 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Columbia
Clinicians with the same Medicare primary specialty in Columbia, SC — not a recommendation.
Clinician information
| Medical school | State University Of New York At Stony Brook, School Of Medicine |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1336660497 |
| Corrections | Report an error or suggest an update → |
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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians