Ashley Johnson, SLP
NPI 1639547045 · Speech-Language Pathologist · O Fallon, MO
Ashley Johnson, SLP is a Speech-Language Pathologist provider in O Fallon, MO (NPI 1639547045).
Provider details
- NPI number
- 1639547045
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- SLP
- Sex
- Female
- Sole proprietor
- No
- License
- 2015023741 (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
10 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
- 2015-09-02
- Last updated
- 2020-08-12
- Certified
- 2020-08-12
Frequently asked questions
- What is Ashley Johnson's NPI number?
- Ashley Johnson's National Provider Identifier (NPI) is 1639547045, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ashley Johnson's specialty?
- Ashley Johnson is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Ashley Johnson located?
- Ashley Johnson's practice location on file with NPPES is 555 E Terra Ln, O Fallon, MO 63366-2725.
- What is Ashley Johnson's phone number?
- The practice phone number listed in the NPPES registry for Ashley Johnson is (636) 240-2072.
- Is Ashley Johnson's NPI active?
- Yes — Ashley Johnson's NPI (1639547045) is active in the NPPES registry as of the last update on 2020-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.