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

Mrs. Leah Mary Niehaus, LCSW

Individual provider Mental Health Counselor · NPI 1831309673

Mrs. Leah Mary Niehaus, LCSW is a Mental Health Counselor in Hermosa Beach, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
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

2200 Pacific Coast Hwy Ste 218
Hermosa Beach, CA 90254-2701
Phone: (310) 363-0741
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence LCS 21766 (CA)

Record details

NPI number1831309673
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedMay 23, 2007
Last updated in NPPESMarch 25, 2026
Certification dateMarch 25, 2026

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