Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Demetrios A Katsikas, MD

Urology Physician in Maryville, IL · enumerated 2005.

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

National Provider Identifier

1457335762

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Registry record

Entity type Individual (Type 1)

Name Dr. Demetrios A Katsikas

Credential MD

Sex Male

Practice address 6812 State Route 162 Ste 200, Maryville, IL, 62062

Phone (618) 288-0900

Enumeration date Nov 30, 2005

Last updated in NPPES Dec 1, 2021

Taxonomy & licenses

208800000X Urology Physician Allopathic & Osteopathic Physicians · License 036-101727 (IL) Primary

208800000X Urology Physician Allopathic & Osteopathic Physicians · License 108181 (MO) Secondary

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
205382302	Medicaid	MO	-

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

What is the NPI number for Demetrios Katsikas?

The National Provider Identifier (NPI) for Demetrios Katsikas is 1457335762, a Type 1 (individual) record in the CMS NPPES registry.

Where does Demetrios Katsikas practice?

The practice location on file with NPPES is in Maryville, IL. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-12-01.