Diane Petersen, LCSW
Clinical Social Worker · Grayslake, IL
Diane Petersen, LCSW is a clinical social worker with a practice address in Grayslake, Illinois, and NPI 1306187117, issued on Mar 5, 2013. Check the license (Illinois 149.005019, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diane Petersen
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 149.005019 IL
Self-reported in NPPES; status is on the state search - Practice location
- 18640 W IL Route 120, Grayslake, IL 60030
- Phone
- (847) 548-6000
- Enumerated
- Mar 5, 2013
- Record last updated
- Mar 5, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (847) 548-6040
- Medicare enrollment
- Enrolled (PECOS I20130910000804); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 1971
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 13,637 in Illinois → Look up another NPI →
Also registered at 18640 W IL Route 120
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Leidys Janneau, LSWClinical Social Worker1306681903
- Kevin Kerner, LSWSocial Worker1871333526
- Cynthia McKnight, LPCProfessional Counselor1639451552
Verify Diane Petersen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 149.005019Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- B And B Spaulding LLCDeer Park, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diane Petersen among 13,637 clinical social worker records in Illinois
Diane Petersen, LCSW is one of 13,637 clinical social worker records with a practice address in Illinois. 14% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 35% of them.
- NPI issued2013 · 35% of these records are older, 62% newer
- In a Medicare fileYes · 14% of these records are
- In the CMS Doctors and Clinicians fileYes · 21% of these records are
- Graduated1971 · median 2010 among the 2,895 with a school on file
- Record last updated2013 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
49 clinical social worker records list a practice address in Grayslake
They are 49 of the 572 NPPES records with a practice address in Grayslake, and 13,637 clinical social worker records in Illinois.
All 13,637 in Illinois → Every provider in Grayslake → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Janice Finerty, LCSWGrayslake, IL 600301902073737
- Nancy Goldberg, LCSWGrayslake, IL 600301700031390
- Amy Hirt, LCSWGrayslake, IL 600301518095975
- Katie KurtzGrayslake, IL 600301235380056
- Lee Anne Lamadrid, LCSWGrayslake, IL 600301831368422
- Amy Luetke, LCSWGrayslake, IL 600301649308636
- Thomas Schreiner, LCSWGrayslake, IL 600301104946920
- Linda Sheehan, LCSWGrayslake, IL 600301245405232
Common questions
What is Diane Petersen, LCSW's NPI number?
Diane Petersen, LCSW's National Provider Identifier (NPI) is 1306187117, issued on Mar 5, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Diane Petersen, LCSW located?
The NPPES record lists a practice address at 18640 W IL Route 120, Grayslake, IL, 60030. Phone: (847) 548-6000. Providers update this record themselves, so call before visiting.
How can I verify Diane Petersen, LCSW's license?
NPPES lists Illinois license number 149.005019, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.