Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Landon Jess Duyka, M.D.

Q: What is the NPI number for Landon Duyka?

The National Provider Identifier (NPI) for Landon Duyka is 1194921924, a Type 1 (individual) record in the CMS NPPES registry.

Otolaryngology Physician in Lake Forest, IL · enumerated 2007 · practices at Lake Forest Ear Nose and Throat Ltd.

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

National Provider Identifier

1194921924

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Registry record

Entity type Individual (Type 1)

Name Dr. Landon Jess Duyka

Credential M.D.

Sex Male

Practice address 700 N Westmoreland Rd, Suite F, Lake Forest, IL, 60045

Phone (847) 295-1114

Fax (847) 295-9373

Enumeration date Jun 27, 2007

Last updated in NPPES Jan 11, 2013

Taxonomy & licenses

207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License 4301093292 (MI) Secondary

207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License 036.131381 (IL) Primary

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
440069501	Medicaid	AR	-

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Landon Duyka?

The National Provider Identifier (NPI) for Landon Duyka is 1194921924, a Type 1 (individual) record in the CMS NPPES registry.

Where does Landon Duyka practice?

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

Other providers at this practice address

Browse all →

Anthony Terrasse Plastic Surgery Physician · Lake Forest, IL NPI 1477544302 Allen Carlins Otolaryngology Physician · Lake Forest, IL NPI 1073547469 Leslie Block Pediatric Otolaryngology Physician · Lake Forest, IL NPI 1750300166 Kurt Brotherson Internal Medicine Physician · Lake Forest, IL NPI 1306907779 Richard Siebert Internal Medicine Physician · Lake Forest, IL NPI 1205985157 Lake Forest Ear Nose and Throat Ltd Otolaryngology Physician · Lake Forest, IL NPI 1124140652

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-01-11.