WALAA KARIM FAYEK FNP
NPI 1174190813
Nurse Practitioner - Family in Fairfax, VA

Active since June 10, 2021PECOS EnrolledAccepts Medicare Assignment
87.2/100
CMS Quality Rating
13039 ROUTE 50 STE C, FAIRFAX, VA 22033(571) 307-2594(571) 307-2595 Get Directions Write a Review

NPPES record last updated: May 5, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 5, 2026, Sep 23, 2021, Aug 10, 2021 and 1 more (4 updates tracked since 2021).

About Walaa Karim Fayek Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WALAA KARIM FAYEK FNP (NPI 1174190813) is an individual family provider in Fairfax, Virginia, licensed in Virginia (0024181574) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS, is affiliated with Inova Fair Oaks Hospital, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1174190813
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameWALAA KARIM FAYEKCredential: FNP
Location Address13039 ROUTE 50 STE CFairfax, VA 22033-2047
Mailing AddressPo Box 791775Baltimore, MD 21279-1775 · (571) 302-5000 · Fax (571) 302-5001
Fax(571) 307-2595
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateJune 10, 2021
Last NPPES UpdateMay 5, 20264 updates tracked since enumeration
NPPES CertifiedMay 5, 2026
NPI 1174190813 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in VA · 0024181574
13039 ROUTE 50 STE C, Fairfax, VA 22033

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Walaa Karim Fayek Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7911397856
PECOS Enrollment IDI20211208000345, I20211214002435
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
99 services99 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
88 services80 patients
Detection test by immunoassay with direct visual observation for influenza virus 87804
This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.
52 services26 patients
Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 87811
This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.
45 services45 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
38 services34 patients
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880
A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.
21 services21 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Inova Fair Oaks Hospital

Acute Care Hospitals · Fairfax, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number490101
Location3600 Joseph Siewick DriveFairfax, VA 22033 · Fairfax County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22033 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

87.2/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.74
Improvement Activities40
Cost100

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
13039 ROUTE 50 STE C
FAIRFAX, VA 22033

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Walaa Fayek's NPI number?

The NPI number for Walaa Fayek is 1174190813. It was assigned to this individual provider in the NPPES registry on June 10, 2021.

Where is Walaa Fayek located?

Walaa Fayek practices at 13039 Route 50 Ste C, Fairfax, VA 22033. The listed phone number is (571) 307-2594.

What is Walaa Fayek's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Walaa Fayek enrolled in Medicare?

Yes. Walaa Fayek is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Walaa Fayek affiliated with any hospitals?

According to CMS data, Walaa Fayek is affiliated with Inova Fair Oaks Hospital.

When was this NPI record last updated?

The NPPES record for Walaa Fayek was last updated on May 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.