Quick answers
- Does Annabelle Nielsen accept Medicare assignment?
- Yes. Medicare's clinician data says Annabelle Nielsen 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.
- What is Annabelle Nielsen's NPI number?
- 1578198651. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Annabelle Nielsen works
Medicare's Facility Affiliation Data lists Annabelle Nielsen 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.
- Heritage Valley BeaverBeaver, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390036
- Heritage Valley SewickleySewickley, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390037
Practice locations
Addresses where Annabelle Nielsen is enrolled with Medicare (CMS data updated October 2, 2026).
- 720 Blackburn RdSewickley, PA 15143 (412) 741‑6600
Group practices
Medicare enrollment lists Annabelle Nielsen as a member of this group (CMS data updated October 2, 2026).
- Valley Medical Facilities Inc38 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Sewickley
Clinicians with the same Medicare primary specialty in Sewickley, PA — not a recommendation.
Other clinicians in Valley Medical Facilities Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | George Washington University School Of Medicine |
| Graduation year | 2021 (5 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578198651 |
| 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
- 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