Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Michael K Louie, M.D.

Urology Physician in Lafayette, IN · enumerated 2007.

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

National Provider Identifier

1538294798

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Registry record

Entity type Individual (Type 1)

Name Michael K Louie

Credential M.D.

Sex Male

Practice address 5165 Mccarty Ln, Lafayette, IN, 47905

Phone (765) 448-8000

Fax (765) 838-4758

Enumeration date Feb 21, 2007

Last updated in NPPES Aug 13, 2026

Taxonomy & licenses

208800000X Urology Physician Allopathic & Osteopathic Physicians · License A98215 (CA) Secondary

208800000X Urology Physician Allopathic & Osteopathic Physicians · License DR.0066273 (CO) Secondary

208800000X Urology Physician Allopathic & Osteopathic Physicians · License 01100774A (IN) 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
300134786	Medicaid	IN	-

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 Michael Louie?

The National Provider Identifier (NPI) for Michael Louie is 1538294798, a Type 1 (individual) record in the CMS NPPES registry.

Where does Michael Louie practice?

The practice location on file with NPPES is in Lafayette, IN. 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 2026-08-13.