Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

George A Semien, MD

Anesthesiology Physician in Opelousas, LA · enumerated 2006.

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

National Provider Identifier

1508886342

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Registry record

Entity type Individual (Type 1)

Name George A Semien

Credential MD

Sex Male

Practice address 539 E Prudhomme St, Opelousas, LA, 70570

Phone (337) 594-3499

Fax (337) 943-7182

Enumeration date Jul 21, 2006

Last updated in NPPES Jul 30, 2024

Taxonomy & licenses

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License ME96254 (FL) 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
009938073	Medicaid	AL	-
591-87139	Other	AL	BLUE CROSS BLUE SHIELD
275969100	Medicaid	FL	-
55092	Other	FL	BLUE CROSS BLUE SHIELD
P00330849	Other	FL	MEDICARE RAILROAD

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 George Semien?

The National Provider Identifier (NPI) for George Semien is 1508886342, a Type 1 (individual) record in the CMS NPPES registry.

Where does George Semien practice?

The practice location on file with NPPES is in Opelousas, LA. 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 2024-07-30.