What is Warren Johnson's NPI number?

Warren Johnson's National Provider Identifier (NPI) is 1619864147, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Warren Johnson's specialty?

Warren Johnson is listed in the NPPES registry with a primary specialty of Personal Care Attendant (Nursing Service Related Providers).

Where is Warren Johnson located?

Warren Johnson's practice location on file with NPPES is 6312 5th St Nw, Washington, DC 20011-1337.

What is Warren Johnson's phone number?

The practice phone number listed in the NPPES registry for Warren Johnson is (202) 412-2866.

Is Warren Johnson's NPI active?

Yes — Warren Johnson's NPI (1619864147) is active in the NPPES registry as of the last update on 2025-06-18.

IndividualActive

Warren Johnson

NPI 1619864147 · Personal Care Attendant · Washington, DC

Warren Johnson is a Personal Care Attendant provider in Washington, DC (NPI 1619864147).

Provider details

NPI number: 1619864147
Entity type: Individual
Primary specialty: Personal Care AttendantNursing Service Related Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Personal Care AttendantPrimary3747P1801X
Nursing Service Related 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

6312 5th St Nw

Washington, DC 20011-1337

Phone: (202) 412-2866

Fax: (202) 723-8556

Street-level locationGet directions

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Mailing address