Mary Clark
NPI 1255958252 · Speech-Language Pathologist · Sioux City, IA
Mary Clark is a Speech-Language Pathologist provider in Sioux City, IA (NPI 1255958252).
Provider details
- NPI number
- 1255958252
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
Mailing address
Registry dates
- Enumerated
- 2020-06-25
- Last updated
- 2020-06-25
- Certified
- 2020-06-25
Frequently asked questions
- What is Mary Clark's NPI number?
- Mary Clark's National Provider Identifier (NPI) is 1255958252, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Clark's specialty?
- Mary Clark is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Mary Clark located?
- Mary Clark's practice location on file with NPPES is 18 La Salle Ave, Sioux City, IA 51104-2412.
- What is Mary Clark's phone number?
- The practice phone number listed in the NPPES registry for Mary Clark is (712) 574-2220.
- Is Mary Clark's NPI active?
- Yes — Mary Clark's NPI (1255958252) is active in the NPPES registry as of the last update on 2020-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.