Quick answers
- Does Olivia Ambursley-Gries accept Medicare assignment?
- Yes. Medicare's clinician data says Olivia Ambursley-Gries 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 Olivia Ambursley-Gries's NPI number?
- 1376359190. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Olivia Ambursley-Gries works
Medicare's Facility Affiliation Data lists Olivia Ambursley-Gries 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.
- Inova Fairfax HospitalFalls Church, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 490063
Practice locations
Addresses where Olivia Ambursley-Gries is enrolled with Medicare (CMS data updated October 2, 2026).
- 2900 Mercy LnCheverly, MD 20785
- 3300 Gallows RdFalls Church, VA 22042
- 44045 Rivderside PkwyLeesburg, VA 20176 (703) 771‑2960
- 901 Harry S Truman Dr NUpper Marlboro, MD 20774 (240) 677‑3000
Group practices
Medicare enrollment lists Olivia Ambursley-Gries as a member of these groups (CMS data updated October 2, 2026).
- Inova Health Care Services1,817 clinicians in the group
- Dimensions Healthcare Associates, Inc199 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Cheverly
Clinicians with the same Medicare primary specialty in Cheverly, MD — not a recommendation.
Other clinicians in Inova Health Care Services
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| School | George Washington University School Of Medicine |
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1376359190 |
| 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