IndividualActive
Joan Johnson, RN
NPI 1255448890 · Registered Nurse · Hartland, WI
Joan Johnson, RN is a Registered Nurse provider in Hartland, WI (NPI 1255448890).
Provider details
- NPI number
- 1255448890
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Nursing Service Providers
Profile Score
Detailed profile(84/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
743 Chesham Ct
Hartland, WI 53029-2513
Phone: (262) 367-0063
Street-level locationGet directions
Mailing address
743 Chesham Ct
Hartland, WI 53029-2513
Registry dates
- Enumerated
- 2006-08-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is Joan Johnson's NPI number?
- Joan Johnson's National Provider Identifier (NPI) is 1255448890, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joan Johnson's specialty?
- Joan Johnson is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Joan Johnson located?
- Joan Johnson's practice location on file with NPPES is 743 Chesham Ct, Hartland, WI 53029-2513.
- What is Joan Johnson's phone number?
- The practice phone number listed in the NPPES registry for Joan Johnson is (262) 367-0063.
- Is Joan Johnson's NPI active?
- Yes — Joan Johnson's NPI (1255448890) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.