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

Individual provider Social Worker · NPI 1386630275

Jeffrey S Cummins, LCSW is a Clinical Social Worker in Billings, Montana. Qualified in 1995, 31 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California and Montana.

Years since qualifying
31
Licensed in
CA, MT
In the registry since
2005
Specialties on file
2
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

409 Wyoming Ave
Billings, MT 59101-1743
Phone: (406) 259-8633
Fax: (406) 254-0091
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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 LCS 19449 (CA)
Social Worker Taxonomy 104100000X · Licence 700LCSW (MT)

Record details

NPI number1386630275
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedSeptember 26, 2005
Last updated in NPPESSeptember 11, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1995 (31 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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