NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Mark A Clemens DDS PA

General Practice Dentistry in Leavenworth, KS · enumerated 2007 · authorized official Mark Clemens, President.

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

National Provider Identifier

1285847897

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Mark A Clemens DDS PA
Practice address 502 Shawnee St, Leavenworth, KS, 66048
Fax (913) 682-1218
Enumeration date May 8, 2007
Last updated in NPPES Aug 22, 2020

Taxonomy & classification

1223G0001X General Practice Dentistry Dental Providers · License 6921 (KS) Primary

Authorized official

Name Mark Clemens
Title President

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

Who is the authorized official for Mark A Clemens DDS PA?
NPPES lists Mark Clemens (President) as the authorized official for this organization.
What is the NPI number for Mark A Clemens DDS PA?
The NPI for Mark A Clemens DDS PA is 1285847897, a Type 2 (organization) record in the CMS NPPES registry.

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-22.