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GASTROENTEROLOGY ASSOCIATES OF NORTHERN VIRGINIA, LLC
NPI 1205884368
Internal Medicine - Gastroenterology in Fairfax, VA

Active since May 04, 2006
3700 JOSEPH SIEWICK DR., SUITE 308, FAIRFAX, VA 22033(703) 716-8700(703) 716-8703 Get Directions Write a Review

NPPES record last updated: May 15, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 15, 2025, Feb 13, 2025, Dec 20, 2019 and 1 more (4 updates tracked since 2019).

About Gastroenterology Associates Of Northern Virginia, Llc NPPES

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

GASTROENTEROLOGY ASSOCIATES OF NORTHERN VIRGINIA, LLC (NPI 1205884368) is a healthcare organization registered as a gastroenterology in Fairfax, Virginia and active in the NPI registry since May 2006. The organization lists Alan Oliver, Ceo, as its authorized official.

NPPES Registry Identity

NPI1205884368
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameGASTROENTEROLOGY ASSOCIATES OF NORTHERN VIRGINIA, LLC
Location Address3700 JOSEPH SIEWICK DR., SUITE 308Fairfax, VA 22033-1739
Mailing Address3700 Joseph Siewick Dr., Suite 308Fairfax, VA 22033-1739 · (703) 716-8700 · Fax (703) 716-8703
Phone(703) 716-8700
Fax(703) 716-8703
Organization SubpartNo
Authorized OfficialAlan OliverCeo · (786) 530-3820
Enumeration DateMay 4, 2006
Last NPPES UpdateMay 15, 20254 updates tracked since enumeration
NPPES CertifiedMay 15, 2025
✔ NPI 1205884368 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedPediatrics · Pediatric GastroenterologyTaxonomy 2080P0206X
3700 JOSEPH SIEWICK DR., Fairfax, VA 22033
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Other Identifiers 5

OtherCD8396VA · Railroad Medicare
Medicaid3810003805VA
Other178704VA · Anthem Bcbs
Other104411Kaiser
Other7916Carefirst Bcbs

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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 Gastroenterology Associates Of Northern Virginia, LLC's NPI number?

The NPI number for Gastroenterology Associates Of Northern Virginia, LLC is 1205884368. It was assigned to this organization in the NPPES registry on May 4, 2006.

Where is Gastroenterology Associates Of Northern Virginia, LLC located?

Gastroenterology Associates Of Northern Virginia, LLC is located at 3700 Joseph Siewick Dr. Suite 308, Fairfax, VA 22033. The listed phone number is (703) 716-8700.

What is Gastroenterology Associates Of Northern Virginia, LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for Gastroenterology Associates Of Northern Virginia, LLC was last updated on May 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.