Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mrs. Cathryn Diane English-Straub, LCSW, LAC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1154406379

Mrs. Cathryn Diane English-Straub, LCSW, LAC is a Clinical Social Worker in Helena, Montana. Qualified in 1996, 30 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
30
Licensed in
MT
In the registry since
2006
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.
LAC — Licensed Associate Counselor
A counsellor practising under supervision toward full licensure. In some states the same letters mean Licensed Acupuncturist.

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Practice location Address checks out

616 Helena Ave Ste 301
Helena, MT 59601-3654
Phone: (406) 449-1510
Fax: (406) 442-7271
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence LAC-761 (MT)
Mental Health Counselor Taxonomy 101YM0800X · Licence LCSW-554 (MT)

Record details

NPI number1154406379
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW , LAC
Sole proprietorYes
NPI enumeratedOctober 26, 2006
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 1996 (30 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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