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

Four Oaks Family and Children's Services

Organization Psychiatric Residential Treatment Facility · NPI 1851858617

Four Oaks Family and Children's Services is a Psychiatric Residential Treatment Facility in Mason City, Iowa. Registered with an NPI since 2019.

In the registry since
2019

Practice location Address checks out

80 N Eisenhower Ave
Mason City, IA 50401-7340
Phone: (319) 364-0259
Fax: (866) 290-5565
Show map & directions

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

Specialties & licences

Psychiatric Residential Treatment Facility (primary) Taxonomy 323P00000X

Record details

NPI number1851858617
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mary Beth O'Neill — President/Ceo · (319) 364-0259
NPI enumeratedFebruary 27, 2019
Last updated in NPPESJanuary 16, 2026
Certification dateJanuary 16, 2026
Mailing address5400 Kirkwood Blvd Sw, Berkley, Cedar Rapids, IA 52404-5216

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