Jessica Leff, M.S., CCC-SLP
NPI 1700373834 · Speech-Language Pathologist · Glenview, IL
Jessica Leff, M.S., CCC-SLP is a Speech-Language Pathologist provider in Glenview, IL (NPI 1700373834).
Provider details
- NPI number
- 1700373834
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- M.S., CCC-SLP
- Sex
- Female
- Sole proprietor
- No
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
4 documented practice locations
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
Additional practice locations (3)
- 705 W Maude AveArlington Heights, IL 60004-3729Phone: (847) 268-3799
- 711 W Maude AveArlington Heights, IL 60004-3729Phone: (847) 268-3799
- 1699 Wall St Ste 530Mount Prospect, IL 60056-6213Phone: (847) 268-3799
Registry dates
- Enumerated
- 2018-04-14
- Last updated
- 2021-03-30
- Certified
- 2021-03-30
Frequently asked questions
- What is Jessica Leff's NPI number?
- Jessica Leff's National Provider Identifier (NPI) is 1700373834, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jessica Leff's specialty?
- Jessica Leff is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Jessica Leff located?
- Jessica Leff's practice location on file with NPPES is 3801 W Lake Ave, Glenview, IL 60026-1292.
- What is Jessica Leff's phone number?
- The practice phone number listed in the NPPES registry for Jessica Leff is (847) 998-6100.
- Is Jessica Leff's NPI active?
- Yes — Jessica Leff's NPI (1700373834) is active in the NPPES registry as of the last update on 2021-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.