Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Illinois Dermatology Institute, LLC

Medical Specialty Clinic/Center in Park Ridge, IL · enumerated 2016 · authorized official Steven Mandrea, Physician.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1447613989

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Registry record

Entity type Organization (Type 2)

Legal business name Illinois Dermatology Institute, LLC

Practice address 1550 N Northwest Hwy, Suite 300, Park Ridge, IL, 60068

Phone (847) 298-1831

Fax (847) 298-1832

Enumeration date Apr 1, 2016

Last updated in NPPES Apr 1, 2016

Taxonomy & classification

261QM2500X Medical Specialty Clinic/Center Ambulatory Health Care Facilities · License 036111710 (IL) Primary

Authorized official

Name Steven Mandrea

Title Physician

Phone (847) 298-1831

Other identifiers

Identifier	Type	State	Issuer
036111710	Medicaid	IL	-
1386663631	Other	IL	NPI

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2016-04-01. Verify at npiregistry.cms.hhs.gov.

Where is Illinois Dermatology Institute, LLC located?

The practice location on file with NPPES is in Park Ridge, IL.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-04-01.