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

Steffan Weiner a Professional Nursing Corp

Organization Psychiatric/Mental Health Nurse Practitioner · NPI 1992525414

Steffan Weiner a Professional Nursing Corp is a Psychiatric/Mental Health Nurse Practitioner in Thousand Oaks, California. Registered with an NPI since 2024.

In the registry since
2024
What do these letters mean?
Corp — Corporation
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

2594 Manchester Ct
Thousand Oaks, CA 91362-5331
Phone: (530) 219-6060
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

Record details

NPI number1992525414
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Steffan Weiner — Owner/Authorized Official · (530) 219-6060
Other names True Haven Mental Health
NPI enumeratedOctober 10, 2024
Last updated in NPPESJune 29, 2026
Certification dateJune 29, 2026
Mailing address2594 Manchester Ct, Thousand Oaks, CA 91362-5331

Other providers in Thousand Oaks