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MALLORY GILES CPNP-PC
NPI 1417623497
Nurse Practitioner - Pediatrics in Ashburn, VA

Active since August 19, 2021PECOS Enrolled
20955 PROFESSIONAL PLZ STE 200, ASHBURN, VA 20147(703) 729-7652(703) 729-8746 Get Directions Write a Review

NPPES record last updated: May 11, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 11, 2026, Mar 6, 2024, Nov 29, 2022 and 3 more (6 updates tracked since 2021).

About Mallory Giles Cpnp-pc NPPES

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

MALLORY GILES CPNP-PC (NPI 1417623497) is an individual pediatrics provider in Ashburn, Virginia, licensed in Virginia (0024182192) and active in the NPI registry since August 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1417623497
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameMALLORY GILESCredential: CPNP-PC
Location Address20955 PROFESSIONAL PLZ STE 200Ashburn, VA 20147-3405
Mailing Address224-d Cornwall St., Nw, Suite 403Leesburg, VA 20176-2704 · (703) 737-6010 · Fax (703) 443-8643
Phone(703) 729-7652
Fax(703) 729-8746
Sole ProprietorNo
Enumeration DateAugust 19, 2021
Last NPPES UpdateMay 11, 20266 updates tracked since enumeration
NPPES CertifiedMay 11, 2026
✔ NPI 1417623497 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in VA · 0024182192
20955 PROFESSIONAL PLZ STE 200, Ashburn, VA 20147
Open in Google Maps ↗

Other Identifiers 2

Medicaid1417623497VA
Medicaid30016126720001VA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mallory Giles Cpnp-pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20147 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

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

JENNIFER LYNN O'CONNOR FNP
Nurse Practitioner (Family)
20955 PROFESSIONAL PLZ STE 200
ASHBURN, VA 20147
Loudoun County (703) 729-7652

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 Mallory Giles's NPI number?

The NPI number for Mallory Giles is 1417623497. It was assigned to this individual provider in the NPPES registry on August 19, 2021.

Where is Mallory Giles located?

Mallory Giles practices at 20955 Professional Plz Ste 200, Ashburn, VA 20147. The listed phone number is (703) 729-7652.

What is Mallory Giles's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Mallory Giles enrolled in Medicare?

Yes. Mallory Giles is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mallory Giles was last updated on May 11, 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.