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

Louise Marie Dewey, RN, PMHNP-BC

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1407945132

Louise Marie Dewey, RN, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner in Sault Sainte Marie, Michigan. Licensed in Michigan and Minnesota. Registered with an NPI since 2006.

Licensed in
MI, MN
In the registry since
2006
Specialties on file
4
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
A board-certified psychiatric nurse practitioner.

See every abbreviation used in this directory →

Practice location Address checks out

605 E 7th Ave
Sault Sainte Marie, MI 49783-3111
Phone: (906) 440-2272
Show map & directions

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

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 4704158480 (MI)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence R-2129098-6 (MN)
Adult Psychiatric/Mental Health Registered Nurse Taxonomy 163WP0809X · Licence R-2129098-6 (MN)
Psychiatric/Mental Health Registered Nurse Taxonomy 163WP0808X · Licence 4704158480 (MI)

Record details

NPI number1407945132
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , PMHNP-BC
Sole proprietorNo
NPI enumeratedOctober 12, 2006
Last updated in NPPESJuly 25, 2016

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