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Adair House LLC

Developmental Disabilities Clinic/Center in Washington, DC · enumerated 2021 · authorized official Daryl Adair, President.

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

National Provider Identifier

1861073868

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Registry record

Entity type Organization (Type 2)
Legal business name Adair House LLC
Practice address 4905 Sheriff Rd Ne, Washington, DC, 20019
Phone (443) 678-9000
Enumeration date Apr 20, 2021
Last updated in NPPES Jul 15, 2021

Taxonomy & classification

261QD1600X Developmental Disabilities Clinic/Center Ambulatory Health Care Facilities Primary
374U00000X Home Health Aide Nursing Service Related Providers Secondary

Authorized official

Name Daryl Adair
Title President
Phone (202) 369-1634

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 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.
What type of organization is Adair House LLC?
Adair House LLC is registered in NPPES as a Developmental Disabilities Clinic/Center (its primary provider taxonomy).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-07-15.