Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Affiliated Specialists, LLC

Q: What type of organization is Affiliated Specialists, LLC?

Affiliated Specialists, LLC is registered in NPPES as a Gastroenterology Physician (its primary provider taxonomy).

Gastroenterology Physician in Lanham, MD · enumerated 2016 · authorized official David Siegel, Ceo.

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

National Provider Identifier

1376091355

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Registry record

Entity type Organization (Type 2)

Legal business name Affiliated Specialists, LLC

Practice address 9821 Greenbelt Rd, Suite 104, Lanham, MD, 20706

Phone (301) 823-8086

Enumeration date Sep 19, 2016

Last updated in NPPES Dec 30, 2016

Taxonomy & classification

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name David Siegel

Title Ceo

Phone (301) 823-8086

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 Affiliated Specialists, LLC?

Affiliated Specialists, LLC is registered in NPPES as a Gastroenterology Physician (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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-12-30.