Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Constantine L. Politis, D.D.S.

Periodontics in River Forest, IL · enumerated 2007.

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

National Provider Identifier

1538379193

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Registry record

Entity type Individual (Type 1)

Name Constantine L. Politis

Credential D.D.S.

Sex Male

Practice address 7327 North Ave, River Forest, IL, 60305

Phone (708) 708-3868

Fax (708) 386-8688

Enumeration date May 23, 2007

Last updated in NPPES Jul 17, 2020

Taxonomy & licenses

1223P0300X Periodontics Dental Providers · License 021-001248 (IL) Primary

DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

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

Is NPI 1538379193 active?

Yes, as of the latest NPPES snapshot, NPI 1538379193 is active (record last updated 2020-07-17).

How do I verify Constantine Politis's NPI record?

Cross-check NPI 1538379193 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-07-17.