Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Fairfax Gastroenterology, Inc.

Q: What type of organization is Fairfax Gastroenterology, Inc.?

Fairfax Gastroenterology, Inc. is registered in NPPES as a Specialist (its primary provider taxonomy).

Specialist in Fairfax, VA · enumerated 2006 · authorized official Waseem Aziz, President.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1164448577

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Registry record

Entity type Organization (Type 2)

Legal business name Fairfax Gastroenterology, Inc.

Practice address 3650 Joseph Siewick Dr Ste 205b, Fairfax, VA, 22033

Phone (703) 620-0688

Fax (703) 620-6628

Enumeration date Jul 15, 2006

Last updated in NPPES Aug 22, 2020

Taxonomy & classification

174400000X Specialist Other Service Providers Primary

Authorized official

Name Waseem Aziz

Title President

Phone (703) 620-0688

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What type of organization is Fairfax Gastroenterology, Inc.?

Fairfax Gastroenterology, Inc. is registered in NPPES as a Specialist (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-22.