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

Hillsdale Treatment Center LLC

Organization Mental Health Clinic/Center (Including Community Mental Health Center) · NPI 1033730379

Hillsdale Treatment Center LLC is a Mental Health Clinic/Center (Including Community Mental Health Center) in Santa Ana, California. Registered with an NPI since 2020.

In the registry since
2020
Specialties on file
2
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

1400 E 4th St Ste 100
Santa Ana, CA 92701-5114
Phone: (949) 635-4437
Show map & directions

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

Specialties & licences

Adult Mental Health Clinic/Center (primary) Taxonomy 261QM0850X
Mental Health Clinic/Center (Including Community Mental Health Center) Taxonomy 261QM0801X

Record details

NPI number1033730379
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Eric Nin — Manager · (949) 635-4437
NPI enumeratedApril 28, 2020
Last updated in NPPESFebruary 28, 2022
Certification dateFebruary 28, 2022
Mailing address220 Newport Center Dr # 11-583, Newport Beach, CA 92660-7506

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