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Dr. Leo Dumanis, DDS

Oral and Maxillofacial Surgery (Dentist) in Park Ridge, IL · enumerated 2006.

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

National Provider Identifier

1437255106

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Registry record

Entity type Individual (Type 1)
Name Dr. Leo Dumanis
Credential DDS
Sex Male
Practice address 444 N Northwest Hwy, Suite 325, Park Ridge, IL, 60068
Phone (847) 296-6100
Fax (847) 296-8706
Enumeration date Sep 16, 2006
Last updated in NPPES Jul 11, 2008

Taxonomy & licenses

1223S0112X Oral and Maxillofacial Surgery (Dentist) Dental Providers · License 021002152 19025627 (IL) Primary
1223S0112X Oral and Maxillofacial Surgery (Dentist) Dental Providers · License 13700642 (IL) Secondary
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.

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Frequently asked questions

How do I verify Leo Dumanis's NPI record?
Cross-check NPI 1437255106 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1437255106 active?
Yes, as of the latest NPPES snapshot, NPI 1437255106 is active (record last updated 2008-07-11).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-07-11.