GRACE I GILLEN
NPI 1538867007
Dentist - General Practice in Reston, VA

Q: What is Grace Gillen's NPI number?

The NPI number for Grace Gillen is 1538867007. It was assigned to this individual provider in the NPPES registry on February 23, 2023.

Q: What is Grace Gillen's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Q: When was this NPI record last updated?

The NPPES record for Grace Gillen was last updated on July 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.

Active since February 23, 2023

1890 PRESTON WHITE DR STE 200, RESTON, VA 20191(703) 437-8811 Get Directions Write a Review

NPPES record last updated: July 25, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Grace I Gillen NPPES

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

GRACE I GILLEN (NPI 1538867007) is an individual general practice provider in Reston, Virginia, licensed in Virginia (0401419379) and active in the NPI registry since February 2023.

NPPES Registry Identity

NPI1538867007

Entity TypeIndividualFemale

Primary Taxonomy1223G0001X

Provider Legal NameGRACE I GILLEN

Location Address1890 PRESTON WHITE DR STE 200Reston, VA 20191-5430

Mailing Address13007 Piney Glade RdHerndon, VA 20171-2956 · (571) 296-6978

Phone(703) 437-8811

Sole ProprietorNo

Enumeration DateFebruary 23, 2023

Last NPPES UpdateJuly 25, 2025

NPPES CertifiedJuly 25, 2025

✔ NPI 1538867007 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in VA · 0401419379

Definition

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

1890 PRESTON WHITE DR STE 200, Reston, VA 20191

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Other Providers at the Same Location NPPES 2

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

VIRGINIA DENTAL SOLUTIONS OF RESTON PLLC

Dentist (General Practice)

1890 PRESTON WHITE DR STE 200
RESTON, VA 20191

Fairfax County (703) 437-8811

DR. LANCE MYERS DDS

Dentist (General Practice)

1890 PRESTON WHITE DR STE 200
RESTON, VA 20191

Fairfax County (703) 437-8811

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 Grace Gillen's NPI number?

The NPI number for Grace Gillen is 1538867007. It was assigned to this individual provider in the NPPES registry on February 23, 2023.

Where is Grace Gillen located?

Grace Gillen practices at 1890 Preston White Dr Ste 200, Reston, VA 20191. The listed phone number is (703) 437-8811.

What is Grace Gillen's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

When was this NPI record last updated?

The NPPES record for Grace Gillen was last updated on July 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.