Courtney Grenning
NPI 1225562341 · Speech-Language Pathologist · Lake Forest, IL
Courtney Grenning is a Speech-Language Pathologist provider in Lake Forest, IL (NPI 1225562341).
Provider details
- NPI number
- 1225562341
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- Yes
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
9 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2017-04-14
- Last updated
- 2021-03-29
- Certified
- 2021-03-29
Frequently asked questions
- What is Courtney Grenning's NPI number?
- Courtney Grenning's National Provider Identifier (NPI) is 1225562341, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Courtney Grenning's specialty?
- Courtney Grenning is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Courtney Grenning located?
- Courtney Grenning's practice location on file with NPPES is 180 Marion Ave, Lake Forest, IL 60045-2962.
- What is Courtney Grenning's phone number?
- The practice phone number listed in the NPPES registry for Courtney Grenning is (847) 641-0303.
- Is Courtney Grenning's NPI active?
- Yes — Courtney Grenning's NPI (1225562341) is active in the NPPES registry as of the last update on 2021-03-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.