Jessica Geslak, M.S. CCC-SLP
NPI 1770935256 · Speech-Language Pathologist · Lombard, IL
Jessica Geslak, M.S. CCC-SLP is a Speech-Language Pathologist provider in Lombard, IL (NPI 1770935256).
Provider details
- NPI number
- 1770935256
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- M.S. CCC-SLP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 146.012238 (IL)
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
100% of core fields populated
- Practice footprint23% of score
2 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 (1)
- 1111 Burlington AveUnit 215Lisle, IL 60532-5503Phone: (630) 267-1783
Registry dates
- Enumerated
- 2016-07-07
- Last updated
- 2020-10-01
- Certified
- 2020-10-01
Frequently asked questions
- What is Jessica Geslak's NPI number?
- Jessica Geslak's National Provider Identifier (NPI) is 1770935256, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jessica Geslak's specialty?
- Jessica Geslak is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Jessica Geslak located?
- Jessica Geslak's practice location on file with NPPES is 1464 S Main St, Lombard, IL 60148-4578.
- What is Jessica Geslak's phone number?
- The practice phone number listed in the NPPES registry for Jessica Geslak is (630) 827-4300.
- Is Jessica Geslak's NPI active?
- Yes — Jessica Geslak's NPI (1770935256) is active in the NPPES registry as of the last update on 2020-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.