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William Maurice Johnson
NPI 1225677594 · Home Health Aide · Washington, DC
William Maurice Johnson is a Home Health Aide provider in Washington, DC (NPI 1225677594).
Provider details
- NPI number
- 1225677594
- Entity type
- Individual
- Primary specialty
- Home Health AideNursing Service Related Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Nursing Service Related Providers
Profile Score
Established profile(58/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs 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
830 12th St Ne
Washington, DC 20002-4436
Phone: (202) 352-7439
Street-level locationGet directions
Mailing address
830 12th St Ne
Washington, DC 20002-4436
Registry dates
- Enumerated
- 2020-01-03
- Last updated
- 2020-01-03
- Certified
- 2020-01-03
Frequently asked questions
- What is William Maurice Johnson's NPI number?
- William Maurice Johnson's National Provider Identifier (NPI) is 1225677594, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Maurice Johnson's specialty?
- William Maurice Johnson is listed in the NPPES registry with a primary specialty of Home Health Aide (Nursing Service Related Providers).
- Where is William Maurice Johnson located?
- William Maurice Johnson's practice location on file with NPPES is 830 12th St Ne, Washington, DC 20002-4436.
- What is William Maurice Johnson's phone number?
- The practice phone number listed in the NPPES registry for William Maurice Johnson is (202) 352-7439.
- Is William Maurice Johnson's NPI active?
- Yes — William Maurice Johnson's NPI (1225677594) is active in the NPPES registry as of the last update on 2020-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.