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MARIA LAYAO FNP
NPI 1467164020
Nurse Practitioner - Family in Sterling, VA

Active since December 15, 2022PECOS EnrolledAccepts Medicare Assignment
46169 WESTLAKE DR STE 200, STERLING, VA 20165(703) 378-1734(703) 378-1735 Get Directions Write a Review

NPPES record last updated: April 27, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 27, 2026, Dec 15, 2022 (2 updates tracked since 2022).

About Maria Layao Fnp NPPES

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

MARIA LAYAO FNP (NPI 1467164020) is an individual family provider in Sterling, Virginia, licensed in Virginia (0024184747) and active in the NPI registry since December 2022. She is enrolled in Medicare PECOS, is affiliated with Inova Fair Oaks Hospital, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1467164020
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARIA LAYAOCredential: FNP
Location Address46169 WESTLAKE DR STE 200Sterling, VA 20165-5875
Mailing Address46169 Westlake Dr Ste 200Sterling, VA 20165-5875 · (703) 378-1734 · Fax (703) 378-1735
Phone(703) 378-1734
Fax(703) 378-1735
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateDecember 15, 2022
Last NPPES UpdateApril 27, 20262 updates tracked since enumeration
NPPES CertifiedApril 27, 2026
✔ NPI 1467164020 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 · 0024184747
46169 WESTLAKE DR STE 200, Sterling, VA 20165
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Maria Layao 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 ID244773810
PECOS Enrollment IDI20240626004253
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.

Medicare Billing Reassignment

Medicare enrollment records show Maria Layao reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Privia Medical Group, LLC
19 mi
Internal Medicine
950 N GLEBE RD STE 700
Arlington, VA 22203
  • Reassigned Medicare billing, District of Columbia and Virginia enrollments
  • 1,534 clinicians in this Medicare group
NPI 1013042480 (571) 366-8850

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 20165 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
$86.88 typical visit price
range $56.19 – $170.30
Typical copayment $21.72 (range $14.04 – $42.57)
Most-billed visit code 99203
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
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.

Other Providers at the Same Location NPPES 6

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

GI ENDOSCOPY CENTER OF NORTHERN VIRGINIA
Clinic/Center (Endoscopy)
46169 WESTLAKE DR STE 200
STERLING, VA 20165
Loudoun County (703) 378-1734
NORTHERN VIRGINIA GASTROENTEROLOGY
Specialist
46169 WESTLAKE DR STE 200
STERLING, VA 20165
Loudoun County (703) 378-1734
COURTNEY NGO FNP-C
Nurse Practitioner (Family)
46169 WESTLAKE DR STE 200
STERLING, VA 20165
Loudoun County (703) 378-1734
STERLING ANESTHESIA, LLC
Clinic/Center (Multi-Specialty)
46169 WESTLAKE DR STE 200
STERLING, VA 20165
Loudoun County (571) 464-5050
STERLING ENDOSCOPY CENTER, LLC
Clinic/Center (Endoscopy)
46169 WESTLAKE DR STE 200
STERLING, VA 20165
Loudoun County (571) 464-5050
NISHA CHAND MD
Internal Medicine (Gastroenterology)
46169 WESTLAKE DR STE 200
STERLING, VA 20165
Loudoun County (703) 378-1734

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 Maria Layao's NPI number?

The NPI number for Maria Layao is 1467164020. It was assigned to this individual provider in the NPPES registry on December 15, 2022.

Where is Maria Layao located?

Maria Layao practices at 46169 Westlake Dr Ste 200, Sterling, VA 20165. The listed phone number is (703) 378-1734.

What is Maria Layao's specialty?

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

Is Maria Layao enrolled in Medicare?

Yes. Maria Layao 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.

Which organization bills Medicare for Maria Layao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Layao reassigns Medicare benefits to Privia Medical Group, LLC (Arlington, VA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Maria Layao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Maria Layao affiliated with any hospitals?

According to CMS data, Maria Layao is affiliated with Inova Fair Oaks Hospital.

When was this NPI record last updated?

The NPPES record for Maria Layao was last updated on April 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.