Mary Christianson, LISW, RPT-S
NPI 1558417782 · Clinical Social Worker · Mason City, IA
Mary Christianson, LISW, RPT-S is a Clinical Social Worker provider in Mason City, IA (NPI 1558417782).
Provider details
- NPI number
- 1558417782
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LISW, RPT-S
- Sex
- Female
- Sole proprietor
- Yes
- License
- 05766 (IA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
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
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
- 2007-01-29
- Last updated
- 2015-09-14
Frequently asked questions
- What is Mary Christianson's NPI number?
- Mary Christianson's National Provider Identifier (NPI) is 1558417782, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Christianson's specialty?
- Mary Christianson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary Christianson located?
- Mary Christianson's practice location on file with NPPES is 9 2nd St Nw, Mason City, IA 50401.
- What is Mary Christianson's phone number?
- The practice phone number listed in the NPPES registry for Mary Christianson is (641) 424-7068.
- Is Mary Christianson's NPI active?
- Yes — Mary Christianson's NPI (1558417782) is active in the NPPES registry as of the last update on 2015-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.