What is Roy Littlejohn's NPI number?

Roy Littlejohn's National Provider Identifier (NPI) is 1124823406, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Roy Littlejohn's specialty?

Roy Littlejohn is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).

Where is Roy Littlejohn located?

Roy Littlejohn's practice location on file with NPPES is 1001 Lawrence St Ne, Washington, DC 20017-3513.

What is Roy Littlejohn's phone number?

The practice phone number listed in the NPPES registry for Roy Littlejohn is (202) 471-9497.

Is Roy Littlejohn's NPI active?

Yes — Roy Littlejohn's NPI (1124823406) is active in the NPPES registry as of the last update on 2025-02-19.

IndividualActive

Roy Littlejohn

NPI 1124823406 · Social Worker · Washington, DC

Roy Littlejohn is a Social Worker provider in Washington, DC (NPI 1124823406).

Provider details

NPI number: 1124823406
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Social WorkerPrimary104100000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(48/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
1 yr in NPPES registry
Profile completeness38% of score
83% 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

1001 Lawrence St Ne

Washington, DC 20017-3513

Phone: (202) 471-9497

Street-level locationGet directions

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Mailing address