Christine Grierson, M.A., CCC-SLP
NPI 1851696694 · Speech-Language Pathologist · O Fallon, MO
Christine Grierson, M.A., CCC-SLP is a Speech-Language Pathologist provider in O Fallon, MO (NPI 1851696694).
Provider details
- NPI number
- 1851696694
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- M.A., CCC-SLP
- Sex
- Female
- Sole proprietor
- No
- License
- 2010017123 (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
15 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
- 2011-01-25
- Last updated
- 2011-01-25
Frequently asked questions
- What is Christine Grierson's NPI number?
- Christine Grierson's National Provider Identifier (NPI) is 1851696694, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christine Grierson's specialty?
- Christine Grierson is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Christine Grierson located?
- Christine Grierson's practice location on file with NPPES is 2120 Bryan Valley Commercial Dr, O Fallon, MO 63366-3495.
- What is Christine Grierson's phone number?
- The practice phone number listed in the NPPES registry for Christine Grierson is (314) 774-1859.
- Is Christine Grierson's NPI active?
- Yes — Christine Grierson's NPI (1851696694) is active in the NPPES registry as of the last update on 2011-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.