What is Leon Kosek's NPI number?

Leon Kosek's National Provider Identifier (NPI) is 1801834080, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Leon Kosek's specialty?

Leon Kosek is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).

Where is Leon Kosek located?

Leon Kosek's practice location on file with NPPES is 21237 S Lagrange Rd, Frankfort, IL 60423-2046.

What is Leon Kosek's phone number?

The practice phone number listed in the NPPES registry for Leon Kosek is (815) 469-8541.

Is Leon Kosek's NPI active?

Yes — Leon Kosek's NPI (1801834080) is active in the NPPES registry as of the last update on 2011-07-06.

IndividualActive

Leon Kosek, O.D.

NPI 1801834080 · Optometrist · Frankfort, IL

Leon Kosek, O.D. is a Optometrist provider in Frankfort, IL (NPI 1801834080).

Provider details

NPI number: 1801834080
Entity type: Individual
Primary specialty: OptometristEye and Vision Services Providers
Credential: O.D.
Sex: Male
Sole proprietor: Yes
License: 18001974A (IN)

Specialties & taxonomies

OptometristPrimary152W00000XLicense 046007472 (IL)
Eye and Vision Services Providers
Optometrist152W00000XLicense 18001974A (IN)
Eye and Vision Services Providers

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

21237 S Lagrange Rd

Frankfort, IL 60423-2046

Phone: (815) 469-8541

Fax: (815) 469-8126

Street-level locationGet directions

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Mailing address