Mary Johnson, CNP
NPI 1063419471 · Nurse Practitioner · Sioux Falls, SD
Mary Johnson, CNP is a Nurse Practitioner provider in Sioux Falls, SD (NPI 1063419471).
Provider details
- NPI number
- 1063419471
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNP
- Sex
- Female
- Sole proprietor
- No
- License
- CNP0203 (SD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% 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
Mailing address
Registry dates
- Enumerated
- 2005-06-30
- Last updated
- 2009-05-27
Frequently asked questions
- What is Mary Johnson's NPI number?
- Mary Johnson's National Provider Identifier (NPI) is 1063419471, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Johnson's specialty?
- Mary Johnson is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Johnson located?
- Mary Johnson's practice location on file with NPPES is 401 E 8th St, Sioux Falls, SD 57103-7011.
- What is Mary Johnson's phone number?
- The practice phone number listed in the NPPES registry for Mary Johnson is (605) 334-5099.
- Is Mary Johnson's NPI active?
- Yes — Mary Johnson's NPI (1063419471) is active in the NPPES registry as of the last update on 2009-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.