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 provides Clinical Social Worker services 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 Not confirmed with CMS for 11 years — call before visiting
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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