IndividualActive
Lois Carlson, RN
NPI 1831557347 · Registered Nurse · Mason City, IA
Lois Carlson, RN is a Registered Nurse provider in Mason City, IA (NPI 1831557347).
Provider details
- NPI number
- 1831557347
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- 078300 (IA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(72/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
235 S Eisenhower Ave
Mason City, IA 50401-1562
Phone: (641) 424-2075
Fax: (641) 424-9555
Street-level locationGet directions
Mailing address
235 S Eisenhower Ave
Mason City, IA 50401-1562
Registry dates
- Enumerated
- 2016-01-29
- Last updated
- 2016-01-29
Frequently asked questions
- What is Lois Carlson's NPI number?
- Lois Carlson's National Provider Identifier (NPI) is 1831557347, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lois Carlson's specialty?
- Lois Carlson is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Lois Carlson located?
- Lois Carlson's practice location on file with NPPES is 235 S Eisenhower Ave, Mason City, IA 50401-1562.
- What is Lois Carlson's phone number?
- The practice phone number listed in the NPPES registry for Lois Carlson is (641) 424-2075.
- Is Lois Carlson's NPI active?
- Yes — Lois Carlson's NPI (1831557347) is active in the NPPES registry as of the last update on 2016-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.