Mary Siegworth, SLP
NPI 1699291815 · Speech-Language Pathologist · Nauvoo, IL
Mary Siegworth, SLP is a Speech-Language Pathologist provider in Nauvoo, IL (NPI 1699291815).
Provider details
- NPI number
- 1699291815
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- SLP
- Sex
- Female
- Sole proprietor
- No
- License
- 146010645 (IL)
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
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 921 Creamery Hill RdDallas City, IL 62330-1216Phone: (217) 852-3201
Registry dates
- Enumerated
- 2017-08-18
- Last updated
- 2018-03-17
Frequently asked questions
- What is Mary Siegworth's NPI number?
- Mary Siegworth's National Provider Identifier (NPI) is 1699291815, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Siegworth's specialty?
- Mary Siegworth is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Mary Siegworth located?
- Mary Siegworth's practice location on file with NPPES is 2461 N State Highway 96, Nauvoo, IL 62354-2200.
- What is Mary Siegworth's phone number?
- The practice phone number listed in the NPPES registry for Mary Siegworth is (217) 453-2231.
- Is Mary Siegworth's NPI active?
- Yes — Mary Siegworth's NPI (1699291815) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.