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

Mrs. Diane L Geisen, MSW, LCSW

Individual provider Social Worker · NPI 1619062049

Mrs. Diane L Geisen, MSW, LCSW is a Clinical Social Worker in Great Falls, Montana. Qualified in 1984, 42 years ago. Accepts Medicare assignment and offers telehealth. Licensed in Montana.

Years since qualifying
42
Licensed in
MT
In the registry since
2006
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Practice location Address checks out

2211 5th Ave N
Great Falls, MT 59401
Phone: (406) 452-6655
Fax: (406) 452-6561
Show map & directions

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

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 639 LCSW (MT)

Record details

NPI number1619062049
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , LCSW
Sole proprietorNo
NPI enumeratedOctober 3, 2006
Last updated in NPPESMarch 24, 2008

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1984 (42 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Great Falls