Allison Grendzinski, LCSW
NPI 1720592975 · Clinical Social Worker · Geneva, IL
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allison Grendzinski, LCSW is a Clinical Social Worker provider in Geneva, IL (NPI 1720592975).
Provider details
- NPI number
- 1720592975
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 150.102716 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social 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
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-11-27
- Last updated
- 2025-01-22
- Certified
- 2025-01-22
Frequently asked questions
- What is Allison Grendzinski's NPI number?
- Allison Grendzinski's National Provider Identifier (NPI) is 1720592975, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allison Grendzinski's specialty?
- Allison Grendzinski is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Allison Grendzinski located?
- Allison Grendzinski's practice location on file with NPPES is 28 N 1st St Ste 201, Geneva, IL 60134-2285.
- What is Allison Grendzinski's phone number?
- The practice phone number listed in the NPPES registry for Allison Grendzinski is (630) 884-8648.
- Does Allison Grendzinski accept Medicare?
- Allison Grendzinski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allison Grendzinski's NPI active?
- Yes — Allison Grendzinski's NPI (1720592975) is active in the NPPES registry as of the last update on 2025-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.