Quick answers
- Does Elena D. Ruiz-Rios accept Medicare assignment?
- Medicare's clinician data says Elena D. Ruiz-Rios may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- What is Elena D. Ruiz-Rios's NPI number?
- 1285804708. 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 Elena D. Ruiz-Rios is enrolled with Medicare (CMS data updated October 2, 2026).
- 1100 New Jersey Ave SE, Suite 500Washington, DC 20003
Specialties
- Pediatric Medicineprimary
Find other Pediatric Medicine doctors in District of Columbia →
Other pediatricians in Washington
Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Un Of California, Irvine, College Of Medicine |
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1285804708 |
| 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 October 2, 2026, retrieved October 29, 2026
- 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