Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mrs. Mary Ann Siegworth, SLP

Individual provider Speech-Language Pathologist · NPI 1699291815

Mrs. Mary Ann Siegworth, SLP is a Speech-Language Pathologist in Nauvoo, Illinois. Works from 2 locations. Licensed in Illinois.

Licensed in
IL
In the registry since
2017
What do these letters mean?
SLP — Speech-Language Pathologist
Treats speech, language and swallowing disorders.

See every abbreviation used in this directory →

Practice location Address checks out

2461 N State Highway 96
Nauvoo, IL 62354-2200
Phone: (217) 453-2231
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 921 Creamery Hill Rd, Dallas City, IL 62330-1216 — (217) 852-3201

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X · Licence 146010645 (IL)

Record details

NPI number1699291815
Entity typeIndividual (Type 1)
GenderFemale
Credentials SLP
Sole proprietorNo
NPI enumeratedAugust 18, 2017
Last updated in NPPESMarch 17, 2018