Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Stillwater Behavioral Health LLC

Organization Adult Mental Health Clinic/Center · NPI 1285542878

Stillwater Behavioral Health LLC provides Adult Mental Health Clinic/Center services in Costa Mesa, California. Registered with an NPI since 2026.

In the registry since
2026
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

657 W 19th St
Costa Mesa, CA 92627-8600
Phone: (949) 233-3983
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Mental Health Clinic/Center (primary) Taxonomy 261QM0850X

Record details

NPI number1285542878
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John Bennett — Coo · (949) 233-3983
NPI enumeratedSeptember 1, 2026
Last updated in NPPESSeptember 10, 2026
Certification dateSeptember 10, 2026
Mailing address657 W 19th St, Costa Mesa, CA 92627-8600

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