Heidi Janzen, CCC-SLP
NPI 1851805600 · Speech-Language Pathologist · Ottawa, IL
Heidi Janzen, CCC-SLP is a Speech-Language Pathologist provider in Ottawa, IL (NPI 1851805600).
Provider details
- NPI number
- 1851805600
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- CCC-SLP
- 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
8 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
- 2017-11-30
- Last updated
- 2017-11-30
Frequently asked questions
- What is Heidi Janzen's NPI number?
- Heidi Janzen's National Provider Identifier (NPI) is 1851805600, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heidi Janzen's specialty?
- Heidi Janzen is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Heidi Janzen located?
- Heidi Janzen's practice location on file with NPPES is 1110 W Main St, Ottawa, IL 61350-2603.
- What is Heidi Janzen's phone number?
- The practice phone number listed in the NPPES registry for Heidi Janzen is (815) 434-1250.
- Is Heidi Janzen's NPI active?
- Yes — Heidi Janzen's NPI (1851805600) is active in the NPPES registry as of the last update on 2017-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.