Quick answers
- Does Walaa K. Fayek accept Medicare assignment?
- Yes. Medicare's clinician data says Walaa K. Fayek 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 Walaa K. Fayek see?
- In 2024, CMS data shows 193 Original Medicare patients and 410 services for Walaa K. Fayek. This counts Original Medicare only and measures volume, not quality.
- What is Walaa K. Fayek's NPI number?
- 1174190813. 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 Walaa K. Fayek, 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 | 193 |
|---|---|
| Services billed to Medicare | 410 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)99 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)88 services
- Detection test by immunoassay with direct visual observation for influenza virus (87804)52 services
- Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (87811)45 services
- Automated urinalysis test (81003)38 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 cholesterol73%
- High blood pressure63%
- Arthritis47%
- Anxiety24%
- Ischemic heart disease20%
- Osteoporosis20%
Hospitals where Walaa K. Fayek works
Medicare's Facility Affiliation Data lists Walaa K. Fayek 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 Fair Oaks HospitalFairfax, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 490101
Practice locations
Addresses where Walaa K. Fayek is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 13039 Route 50, Suite CFairfax, VA 22033 (571) 307‑2594
- 180 Maple Ave WVienna, VA 22180 (703) 938‑5300
- 20070 Ashbrook Commons Plz, Unit 104Ashburn, VA 20147 (571) 479‑3116
- 2415 Centreville Rd, Suite B6Herndon, VA 20171 (571) 376‑4000
- 24801 Pinebrook Rd, Suite 110Chantilly, VA 20152 (703) 722‑2500
Group practices
Medicare enrollment lists Walaa K. Fayek as a member of this group (CMS data updated October 2, 2026).
- Inova Ucc LLC155 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 Inova Ucc LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2021 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1174190813 |
| 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
- 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