Quick answers
- Does Karla P. Madrid Rivas accept Medicare assignment?
- Yes. Medicare's clinician data says Karla P. Madrid Rivas accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Karla P. Madrid Rivas see?
- In 2024, CMS data shows 18 Original Medicare patients and 24 services for Karla P. Madrid Rivas. This counts Original Medicare only and measures volume, not quality.
- What is Karla P. Madrid Rivas's NPI number?
- 1447601257. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Karla P. Madrid Rivas, 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.
| Original Medicare patients | 18 |
|---|---|
| Services billed to Medicare | 24 |
| Different services or procedures | 6 |
| Participating Medicare provider | Yes |
| Average age of these patients | 65 |
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).
- High blood pressure67%
Hospitals where Karla P. Madrid Rivas works
Medicare's Facility Affiliation Data lists Karla P. Madrid Rivas 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.
- Self Regional HealthcareGreenwood, SC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 420071
Practice locations
Addresses where Karla P. Madrid Rivas is enrolled with Medicare (CMS data updated October 2, 2026).
- 155 Academy AveGreenwood, SC 29646 (864) 725‑4865
- 155 Ridge Medical Plaza RdEdgefield, SC 29824 (803) 637‑3146
Group practices
Medicare enrollment lists Karla P. Madrid Rivas as a member of these groups (CMS data updated October 2, 2026).
- Self Regional Healthcare180 clinicians in the group
- Self Regional Healthcare Partners39 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Greenwood
Clinicians with the same Medicare primary specialty in Greenwood, SC — not a recommendation.
Other clinicians in Self Regional Healthcare
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2004 (22 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1447601257 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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