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

Mrs. Melissa Lou Koerner, LCSW

Individual provider Clinical Social Worker · NPI 1134376908

Mrs. Melissa Lou Koerner, LCSW is a Clinical Social Worker in Ontario, California. Practices as a sole proprietor. Licensed in California and Florida.

Licensed in
CA, FL
In the registry since
2008
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

4684 Ontario Mills Pkwy Ste 200
Ontario, CA 91764-5151
Phone: (941) 777-0868
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence SW11926 (FL)
Social Worker Taxonomy 104100000X · Licence LCSW71193 (CA)

Record details

NPI number1134376908
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedAugust 25, 2008
Last updated in NPPESJuly 22, 2026
Certification dateJuly 22, 2026

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