Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. David Koerten, CCP

Specialist in Milwaukee, WI · enumerated 2014.

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

National Provider Identifier

1598162547

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Registry record

Entity type Individual (Type 1)

Name Mr. David Koerten

Credential CCP

Sex Male

Practice address 8701 W Watertown Plank Rd, Milwaukee, WI, 53226

Phone (414) 955-6900

Fax (414) 955-6204

Enumeration date Nov 19, 2014

Last updated in NPPES Nov 19, 2014

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 21-18 (WI) Primary

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

Is NPI 1598162547 active?

Yes, as of the latest NPPES snapshot, NPI 1598162547 is active (record last updated 2014-11-19).

How do I verify David Koerten's NPI record?

Cross-check NPI 1598162547 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Robert Vickrey Psychiatry Physician · Milwaukee, WI NPI 1659320331 Jane Kotchen Preventive Medicine/Occupational Environmental Medicine Physician · Milwaukee, WI NPI 1154434181 Khazi Muqeet Psychiatry Physician · Milwaukee, WI NPI 1841371234 Anita Vijayakumar General Practice Physician · Milwaukee, WI NPI 1134208192 David Chung Psychiatry Physician · Milwaukee, WI NPI 1295802254 Brian Bear Obstetrics & Gynecology Physician · Milwaukee, WI NPI 1538205554 Mary Raynor Nurse Practitioner · Milwaukee, WI NPI 1861533770 Angela Scharnhorst Student in an Organized Health Care Education/Training Program · Wauwatosa, WI NPI 1699894675

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-11-19.