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Mark L Siefkes, OD

Optometrist in Overland Park, KS · enumerated 2006 · practices at Eye Associates of Overland Park PA.

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

National Provider Identifier

1285793786

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Registry record

Entity type Individual (Type 1)
Name Mark L Siefkes
Credential OD
Sex Male
Practice address 10120 W 119th St, Overland Park, KS, 66213
Phone (913) 339-9090
Fax (913) 339-6417
Enumeration date Dec 8, 2006
Last updated in NPPES Apr 20, 2009

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 1539 (KS) Primary
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

Other identifiers

Identifier Type State Issuer
25757045 Other MO BCBSKC FOR EYE ASSOCIATES OF LEAWOOD
R178660 Other KS MEDICARE PART B FOR EYE ASSOCIATES OF SHAWNEE
25757035 Other MO BCBSKC FOR EYE ASSOCIATES OF SHAWNEE
410043137 Other KS RR MEDICARE FOR EYE ASSOCIATES OF OVERLAND PARK
25757015 Other MO BCBSKC FOR EYE ASSOCIATES OF OVERLAND PARK
25757025 Other MO BCBSKC FOR EYE ASSOCIATES OF OLATHE
5109645 Other KS AETNA
R198660 Other KS MEDICARE PART B FOR EYE ASSOCIATES OF OVERLAND PARK
KA1109006 Other - MEDICARE PART B FOR EYE ASSOCIATES OF LEAWOOD
R188660 Other KS MEDICARE PART B FOR EYE ASSOCIATES OF OLATHE

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 Mark Siefkes?
The National Provider Identifier (NPI) for Mark Siefkes is 1285793786, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Siefkes practice?
The practice location on file with NPPES is in Overland Park, KS. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-04-20.