Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Ricardo Izquierdo,M.D., P.C.

Specialist in Oak Brook, IL · enumerated 2009 · authorized official Ricardo Izquierdo, President.

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

National Provider Identifier

1700019437

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Registry record

Entity type Organization (Type 2)

Legal business name Ricardo Izquierdo,M.D., P.C.

Practice address 2425 W 22nd St, Suite 213, Oak Brook, IL, 60523

Phone (630) 794-0700

Fax (630) 794-9550

Enumeration date Aug 28, 2009

Last updated in NPPES Aug 28, 2009

Taxonomy & classification

174400000X Specialist Other Service Providers · License 036-064192 (IL) Primary

Authorized official

Name Ricardo Izquierdo

Title President

Phone (630) 794-0700

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 2009-08-28. Verify at npiregistry.cms.hhs.gov.

Where is Ricardo Izquierdo,M.D., P.C. located?

The practice location on file with NPPES is in Oak Brook, IL.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-08-28.