Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Kelly A Kastein, CRNA

Certified Registered Nurse Anesthetist in Oshkosh, WI · enumerated 2008.

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

National Provider Identifier

1043485444

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Registry record

Entity type Individual (Type 1)

Name Kelly A Kastein

Credential CRNA

Sex Female

Practice address 855 N Westhaven Dr, Oshkosh, WI, 54904

Phone (920) 303-8700

Fax (920) 303-5632

Enumeration date Apr 25, 2008

Last updated in NPPES Sep 5, 2024

Taxonomy & licenses

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License 6798 (WI) Primary

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License R 168018-6 (MN) Secondary

CRNA · Certified Registered Nurse Anesthetist: An advanced practice nurse specializing in anesthesia care. About the CRNA credential

Other identifiers

Identifier	Type	State	Issuer
ENROLLED	Medicaid	MN	-
P00639254	Other	MN	RAILROAD MEDICARE
ENROLLED	Medicaid	IA	-
44393600	Medicaid	WI	-

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 Kelly Kastein?

The National Provider Identifier (NPI) for Kelly Kastein is 1043485444, a Type 1 (individual) record in the CMS NPPES registry.

Where does Kelly Kastein practice?

The practice location on file with NPPES is in Oshkosh, WI. 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 2024-09-05.