Quick answers
- Does Hilary J. Summers-Royce accept Medicare assignment?
- Yes. Medicare's clinician data says Hilary J. Summers-Royce 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 Hilary J. Summers-Royce see?
- In 2024, CMS data shows 54 Original Medicare patients and 120 services for Hilary J. Summers-Royce. This counts Original Medicare only and measures volume, not quality.
- What is Hilary J. Summers-Royce's NPI number?
- 1174954697. 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 Hilary J. Summers-Royce, 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 | 54 |
|---|---|
| Services billed to Medicare | 120 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Administration of influenza virus vaccine (G0008)18 services
- Admn sarscov2 vacc 1 dose (90480)17 services
- Influenza vaccine split virus, preservative free (90662)16 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)15 services
- Sarscv2 vac 30mcg trs-suc im (91320)14 services
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 cholesterol75%
- High blood pressure72%
- Arthritis43%
- Ischemic heart disease33%
- Diabetes28%
- Anxiety26%
Practice locations
Addresses where Hilary J. Summers-Royce is enrolled with Medicare (CMS data updated October 2, 2026).
- 13031 Lee Jackson Memorial HwyFairfax, VA 22033 (866) 389‑2727
- 1636 Belle View BlvdAlexandria, VA 22307 (866) 389‑2727
- 9900 Sowder Village SqManassas, VA 20109 (866) 389‑2727
Group practices
Medicare enrollment lists Hilary J. Summers-Royce as a member of this group (CMS data updated October 2, 2026).
- Minuteclinic Diagnostic of Virginia LLC144 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Fairfax
Clinicians with the same Medicare primary specialty in Fairfax, VA — not a recommendation.
Other clinicians in Minuteclinic Diagnostic of Virginia LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2013 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174954697 |
| 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
- 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