Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Dennis Eugene Malecki, MD
Specialist in Hickory Hills, IL · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1033101423
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Registry record
Entity type Individual (Type 1)
Name Dr. Dennis Eugene Malecki
Credential MD
Sex Male
Practice address 8700 W 95th St, Suite 6, Hickory Hills, IL, 60457
Phone (708) 430-2400
Fax (708) 430-2417
Enumeration date Aug 22, 2005
Last updated in NPPES May 5, 2008
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 363137473 | Other | IL | TAX ID |
| 036052516 | Medicaid | IL | - |
| 080037003 | Other | IL | PALMETTO GBA RAIL ROAD MEDICARE |
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.
Frequently asked questions
Where does Dennis Malecki practice?
The practice location on file with NPPES is in Hickory Hills, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Dennis Malecki?
The National Provider Identifier (NPI) for Dennis Malecki is 1033101423, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Robert Familaro Oral and Maxillofacial Surgery (Dentist) · Hickory Hills, IL NPI 1639100993 Dennis E. Malecki M.D., S.C Specialist · Hickory Hills, IL NPI 1689693871 Susan Dascenzi Clinical Social Worker · Hickory Hills, IL NPI 1316107303 Someonecares4u Ltd Community/Behavioral Health Agency · Hickory Hills, IL NPI 1568617298
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-05-05.