Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Arndt Guentsch, D.M.D.

Periodontics in Milwaukee, WI · enumerated 2015.

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

National Provider Identifier

1902284185

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Registry record

Entity type Individual (Type 1)

Name Arndt Guentsch

Credential D.M.D.

Sex Male

Practice address 1801 W Wisconsin Ave, Milwaukee, WI, 53233

Phone (414) 288-8567

Enumeration date May 8, 2015

Last updated in NPPES May 8, 2015

Taxonomy & licenses

1223P0300X Periodontics Dental Providers · License 18008-875 (WI) Primary

DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD credential

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.

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Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Arndt Guentsch?

Arndt Guentsch is registered in NPPES with the primary taxonomy of Periodontics. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-05-08.