Quick answers
- Does Mercedes Rivera-Barber accept Medicare assignment?
- Medicare's clinician data says Mercedes Rivera-Barber may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- What is Mercedes Rivera-Barber's NPI number?
- 1386913242. 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 Mercedes Rivera-Barber is enrolled with Medicare (CMS data updated October 2, 2026).
- 2317 E Westmoreland StPhiladelphia, PA 19134 (800) 805‑6989
- 3050 Hamilton Blvd, Suite 220bAllentown, PA 18103 (800) 805‑6989
Group practices
Medicare enrollment lists Mercedes Rivera-Barber as a member of this group (CMS data updated October 2, 2026).
- Ars Treatment Centers PC107 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Philadelphia
Clinicians with the same Medicare primary specialty in Philadelphia, PA — not a recommendation.
Other clinicians in Ars Treatment Centers PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1386913242 |
| 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