Grazyna Petersen, LCSW, CADC
NPI 1457814360 · Clinical Social Worker · Lisle, IL
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grazyna Petersen, LCSW, CADC is a Clinical Social Worker provider in Lisle, IL (NPI 1457814360).
Provider details
- NPI number
- 1457814360
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW, CADC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 33287 (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
7 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
- 2019-04-08
- Last updated
- 2020-12-15
- Certified
- 2020-12-15
Frequently asked questions
- What is Grazyna Petersen's NPI number?
- Grazyna Petersen's National Provider Identifier (NPI) is 1457814360, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grazyna Petersen's specialty?
- Grazyna Petersen is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Grazyna Petersen located?
- Grazyna Petersen's practice location on file with NPPES is 4300 Commerce Ct Ste 300-3, Lisle, IL 60532-3709.
- What is Grazyna Petersen's phone number?
- The practice phone number listed in the NPPES registry for Grazyna Petersen is (773) 739-0992.
- Does Grazyna Petersen accept Medicare?
- Grazyna Petersen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grazyna Petersen's NPI active?
- Yes — Grazyna Petersen's NPI (1457814360) is active in the NPPES registry as of the last update on 2020-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.