Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Peter P Kasznica, M.D.

Otolaryngology Physician in Sioux Falls, SD · enumerated 2007.

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

National Provider Identifier

1437284510

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Registry record

Entity type Individual (Type 1)

Name Peter P Kasznica

Credential M.D.

Sex Male

Practice address 2315 W 57th St, Sioux Falls, SD, 57108

Phone (605) 336-3503

Fax (605) 336-6010

Enumeration date Feb 22, 2007

Last updated in NPPES Apr 18, 2011

Taxonomy & licenses

207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License 7876 (SD) 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
P00902539	Other	-	RAILROAD MEDICARE

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 Peter Kasznica?

The National Provider Identifier (NPI) for Peter Kasznica is 1437284510, a Type 1 (individual) record in the CMS NPPES registry.

Where does Peter Kasznica practice?

The practice location on file with NPPES is in Sioux Falls, SD. 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 2011-04-18.