Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Leonard H McWilliams DDS LLC

Organization General Practice Dentistry · NPI 1598887572

Leonard H McWilliams DDS LLC is a General Practice Dentistry in Deridder, Louisiana. Licensed in Louisiana. Registered with an NPI since 2007.

Licensed in
LA
In the registry since
2007
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

501 Bon Ami St
Deridder, LA 70634-4925
Phone: (337) 462-1315
Fax: (337) 462-6411
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence 3362 (LA)

Record details

NPI number1598887572
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Leonard McWilliams — Principal Officer · (337) 462-1315
NPI enumeratedApril 3, 2007
Last updated in NPPESAugust 22, 2020
Mailing address501 Bon Ami St, Deridder, LA 70634-4925

Other providers in Deridder