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

Howard A. Lewis PLLC

Organization Clinical Social Worker · NPI 1437548450

Howard A. Lewis PLLC is a Clinical Social Worker in Billings, Montana. Licensed in Montana. Registered with an NPI since 2015.

Licensed in
MT
In the registry since
2015
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

304 Grand Ave
Billings, MT 59101-5923
Phone: (406) 245-4566
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 930 (MT)

Record details

NPI number1437548450
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Howard Lewis — Sole Proprietor · (406) 962-3141
Other names South Central Treatment Associates
NPI enumeratedJanuary 14, 2015
Last updated in NPPESJanuary 14, 2015
Mailing address304 Grand Ave, Billings, MT 59101-5923

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