What is Cassie Flack's NPI number?

Cassie Flack's National Provider Identifier (NPI) is 1376986422, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Cassie Flack's specialty?

Cassie Flack is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).

Where is Cassie Flack located?

Cassie Flack's practice location on file with NPPES is 3308 Chestnut Ave, Mattoon, IL 61938-3615.

What is Cassie Flack's phone number?

The practice phone number listed in the NPPES registry for Cassie Flack is (217) 821-9715.

Is Cassie Flack's NPI active?

Yes — Cassie Flack's NPI (1376986422) is active in the NPPES registry as of the last update on 2013-04-08.

IndividualActive

Cassie Flack, CCC-SLP

NPI 1376986422 · Speech-Language Pathologist · Mattoon, IL

Cassie Flack, CCC-SLP is a Speech-Language Pathologist provider in Mattoon, IL (NPI 1376986422).

Provider details

NPI number: 1376986422
Entity type: Individual
Primary specialty: Speech-Language PathologistSpeech, Language and Hearing Service Providers
Credential: CCC-SLP
Sex: Female
Sole proprietor: Yes
License: 146.009824 (IL)

Practice location

3308 Chestnut Ave

Mattoon, IL 61938-3615

Phone: (217) 821-9715

Street-level locationGet directions

More IL providers

Mailing address

3308 Chestnut Ave

Mattoon, IL 61938-3615

Specialties & taxonomies

Speech-Language PathologistPrimary235Z00000XLicense 146.009824 (IL)
Speech, Language and Hearing Service Providers

Profile Score

Detailed profile(78/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
13 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.

Enumerated: 2013-04-08
Last updated: 2013-04-08

Frequently asked questions

What is Cassie Flack's NPI number?: Cassie Flack's National Provider Identifier (NPI) is 1376986422, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Cassie Flack's specialty?: Cassie Flack is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
Where is Cassie Flack located?: Cassie Flack's practice location on file with NPPES is 3308 Chestnut Ave, Mattoon, IL 61938-3615.
What is Cassie Flack's phone number?: The practice phone number listed in the NPPES registry for Cassie Flack is (217) 821-9715.
Is Cassie Flack's NPI active?: Yes — Cassie Flack's NPI (1376986422) is active in the NPPES registry as of the last update on 2013-04-08.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions