Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Karl J Klotzbuecher, CRNA

Certified Registered Nurse Anesthetist in Sheboygan, WI · enumerated 2006.

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

National Provider Identifier

1780791210

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Registry record

Entity type Individual (Type 1)

Name Mr. Karl J Klotzbuecher

Credential CRNA

Sex Male

Practice address 3400 Union Ave, Sheboygan, WI, 53081

Phone (920) 802-2100

Fax (920) 802-1500

Enumeration date Aug 23, 2006

Last updated in NPPES Nov 28, 2023

Taxonomy & licenses

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License 569-033 (WI) Secondary

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License 76954-030 (WI) Primary

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

Other identifiers

Identifier	Type	State	Issuer
43298700	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 Karl Klotzbuecher?

The National Provider Identifier (NPI) for Karl Klotzbuecher is 1780791210, a Type 1 (individual) record in the CMS NPPES registry.

Where does Karl Klotzbuecher practice?

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

Other providers at this practice address

Browse all →

Beau Stricker Certified Registered Nurse Anesthetist · Sheboygan, WI NPI 1437134467 Rizwan Loya Emergency Medicine Physician · Sheboygan, WI NPI 1447218755 Aurora Health Care Central, Inc. General Acute Care Hospital · Sheboygan, WI NPI 1922053107 Carissa Tyo Emergency Medicine Physician · Sheboygan, WI NPI 1205843398 Heather James Physician Assistant · Sheboygan, WI NPI 1922114347 Mark Lang Orthopaedic Surgery Physician · Sheboygan, WI NPI 1952418402 George Kuttickat Cardiovascular Disease Physician · Sheboygan, WI NPI 1447367982 James Hoell Anesthesiology Physician · Sheboygan, WI NPI 1417064031

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-11-28.