Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Leon Malcolm Clark Jr., DMD

Q: What is the NPI number for Leon Clark?

The National Provider Identifier (NPI) for Leon Clark is 1699845636, a Type 1 (individual) record in the CMS NPPES registry.

General Practice Dentistry in Decatur, AL · enumerated 2006.

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

National Provider Identifier

1699845636

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Registry record

Entity type Individual (Type 1)

Name Dr. Leon Malcolm Clark Jr.

Credential DMD

Sex Male

Practice address 203b Commerce Circle Sw, Decatur, AL, 35601

Phone (256) 350-8182

Fax (256) 350-3232

Enumeration date Nov 8, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License 4499 (AL) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Leon Clark?

The National Provider Identifier (NPI) for Leon Clark is 1699845636, a Type 1 (individual) record in the CMS NPPES registry.

Where does Leon Clark practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.