NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Donald Eugene Lyles

Case Manager/Care Coordinator in Washington, DC · enumerated 2023 · practices at Royal Treatment, LLC.

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

National Provider Identifier

1689446270

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Registry record

Entity type Individual (Type 1)
Name Donald Eugene Lyles
Sex Male
Practice address Washington, DC, 20024
Phone (240) 505-0572
Enumeration date Oct 26, 2023
Last updated in NPPES Oct 26, 2023

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

171M00000X Case Manager/Care Coordinator Other Service Providers Primary

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.

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Frequently asked questions

What is the NPI number for Donald Lyles?
The National Provider Identifier (NPI) for Donald Lyles is 1689446270, a Type 1 (individual) record in the CMS NPPES registry.
Where does Donald Lyles practice?
The practice location on file with NPPES is in Washington, DC. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-10-26.