Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Clinical Pathology Associates, PC

Clinical Pathology/Laboratory Medicine Physician in Waterloo, IA · enumerated 2006 · authorized official William Kasten, Owner.

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

National Provider Identifier

1548228448

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Registry record

Entity type Organization (Type 2)

Legal business name Clinical Pathology Associates, PC

Practice address 3421 W 9th St, Waterloo, IA, 50702

Phone (319) 272-8852

Enumeration date May 2, 2006

Last updated in NPPES Sep 15, 2021

Taxonomy & classification

207ZP0105X Clinical Pathology/Laboratory Medicine Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name William Kasten

Title Owner

Phone (319) 272-8852

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 a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Clinical Pathology Associates, PC?

Clinical Pathology Associates, PC is registered in NPPES as a Clinical Pathology/Laboratory Medicine Physician (its primary provider taxonomy).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-09-15.