Susan Ilyin, APSW, LSW
NPI 1588455315 · Social Worker · Mchenry, IL
Susan Ilyin, APSW, LSW is a Social Worker provider in Mchenry, IL (NPI 1588455315).
Provider details
- NPI number
- 1588455315
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- APSW, LSW
- Sex
- Female
- Sole proprietor
- No
- License
- 150014670 (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
1 yr 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
- 2025-05-13
- Last updated
- 2025-05-22
- Certified
- 2025-05-22
Frequently asked questions
- What is Susan Ilyin's NPI number?
- Susan Ilyin's National Provider Identifier (NPI) is 1588455315, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Ilyin's specialty?
- Susan Ilyin is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Susan Ilyin located?
- Susan Ilyin's practice location on file with NPPES is 4318 W Crystal Lake Rd Ste L, Mchenry, IL 60050-4250.
- What is Susan Ilyin's phone number?
- The practice phone number listed in the NPPES registry for Susan Ilyin is (815) 531-8381.
- Is Susan Ilyin's NPI active?
- Yes — Susan Ilyin's NPI (1588455315) is active in the NPPES registry as of the last update on 2025-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.