Gastroenterology Associates of Northern Virginia, LLC
NPI 1205884368 · Gastroenterology Physician · Fairfax, VA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gastroenterology Associates of Northern Virginia, LLC is a Gastroenterology Physician organization in Fairfax, VA (NPI 1205884368).
Provider details
- NPI number
- 1205884368
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Alan Oliver, Ceo(786) 530-3820
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Pediatric Gastroenterology Physician2080P0206X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-04
- Last updated
- 2025-05-15
- Certified
- 2025-05-15
Frequently asked questions
- What is Gastroenterology Associates of Northern Virginia, LLC's NPI number?
- Gastroenterology Associates of Northern Virginia, LLC's National Provider Identifier (NPI) is 1205884368, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gastroenterology Associates of Northern Virginia, LLC?
- Gastroenterology Associates of Northern Virginia, LLC is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Gastroenterology Associates of Northern Virginia, LLC located?
- Gastroenterology Associates of Northern Virginia, LLC's practice location on file with NPPES is 3700 Joseph Siewick Dr., Fairfax, VA 22033-1739.
- What is Gastroenterology Associates of Northern Virginia, LLC's phone number?
- The practice phone number listed in the NPPES registry for Gastroenterology Associates of Northern Virginia, LLC is (703) 716-8700.
- Does Gastroenterology Associates of Northern Virginia, LLC accept Medicare?
- Gastroenterology Associates of Northern Virginia, LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Gastroenterology Associates of Northern Virginia, LLC?
- The authorized official listed on Gastroenterology Associates of Northern Virginia, LLC's NPPES record is Alan Oliver, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gastroenterology Associates of Northern Virginia, LLC's NPI active?
- Yes — Gastroenterology Associates of Northern Virginia, LLC's NPI (1205884368) is active in the NPPES registry as of the last update on 2025-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.