Allison Mesler
NPI 1023736063 · Speech-Language Pathologist · O Fallon, MO
Allison Mesler is a Speech-Language Pathologist provider in O Fallon, MO (NPI 1023736063).
Provider details
- NPI number
- 1023736063
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2022029681 (MO)
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
3 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
- 2022-08-16
- Last updated
- 2022-08-16
- Certified
- 2022-08-16
Frequently asked questions
- What is Allison Mesler's NPI number?
- Allison Mesler's National Provider Identifier (NPI) is 1023736063, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allison Mesler's specialty?
- Allison Mesler is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Allison Mesler located?
- Allison Mesler's practice location on file with NPPES is 200 Meriwether Lewis Dr, O Fallon, MO 63368-8385.
- What is Allison Mesler's phone number?
- The practice phone number listed in the NPPES registry for Allison Mesler is (636) 281-3382.
- Is Allison Mesler's NPI active?
- Yes — Allison Mesler's NPI (1023736063) is active in the NPPES registry as of the last update on 2022-08-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.