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

Miss. Charlotte Miriam Koestner, LCSW

Individual provider Social Worker · NPI 1609436807

Miss. Charlotte Miriam Koestner, LCSW is a Social Worker in Phoenix, Arizona. Licensed in Arizona. Registered with an NPI since 2019.

Licensed in
AZ
In the registry since
2019
What do these letters mean?
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

125 S 1st Ave
Phoenix, AZ 85003-1909
Phone: (602) 372-2315
Fax: (602) 372-2300
Show map & directions

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

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence LCSW-17878 (AZ)

Record details

NPI number1609436807
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJune 19, 2019
Last updated in NPPESJune 19, 2019

Other providers in Phoenix