Jan Marsden-Johnson
NPI 1538176672 · Speech-Language Pathologist · Deerfield, IL
Jan Marsden-Johnson is a Speech-Language Pathologist provider in Deerfield, IL (NPI 1538176672).
Provider details
- NPI number
- 1538176672
- 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
19 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
- 2006-08-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Jan Marsden-Johnson's NPI number?
- Jan Marsden-Johnson's National Provider Identifier (NPI) is 1538176672, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jan Marsden-Johnson's specialty?
- Jan Marsden-Johnson is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Jan Marsden-Johnson located?
- Jan Marsden-Johnson's practice location on file with NPPES is 1181 Lake Cook Rd Ste a, Deerfield, IL 60015-5201.
- What is Jan Marsden-Johnson's phone number?
- The practice phone number listed in the NPPES registry for Jan Marsden-Johnson is (847) 964-2003.
- Is Jan Marsden-Johnson's NPI active?
- Yes — Jan Marsden-Johnson's NPI (1538176672) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.