Elizabeth Mueller, SLP
NPI 1538273149 · Speech-Language Pathologist · O Fallon, IL
Elizabeth Mueller, SLP is a Speech-Language Pathologist provider in O Fallon, IL (NPI 1538273149).
Provider details
- NPI number
- 1538273149
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- SLP
- Sex
- Female
- Sole proprietor
- No
- License
- 146006258 (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
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
- 2006-08-19
- Last updated
- 2020-01-22
- Certified
- 2020-01-22
Frequently asked questions
- What is Elizabeth Mueller's NPI number?
- Elizabeth Mueller's National Provider Identifier (NPI) is 1538273149, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Mueller's specialty?
- Elizabeth Mueller is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Elizabeth Mueller located?
- Elizabeth Mueller's practice location on file with NPPES is 723 Insight Ave Ste 300, O Fallon, IL 62269-2193.
- What is Elizabeth Mueller's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Mueller is (618) 607-0086.
- Is Elizabeth Mueller's NPI active?
- Yes — Elizabeth Mueller's NPI (1538273149) is active in the NPPES registry as of the last update on 2020-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.