Four Oaks Family and Children'S Services
NPI 1851858617 · Psychiatric Residential Treatment Facility · Mason City, IA
Four Oaks Family and Children'S Services is a Psychiatric Residential Treatment Facility organization in Mason City, IA (NPI 1851858617).
Provider details
- NPI number
- 1851858617
- Entity type
- Organization
- Primary specialty
- Psychiatric Residential Treatment FacilityResidential Treatment Facilities
- Organization subpart
- No
- Authorized official
- Mary Beth O'Neill, President/Ceo(319) 364-0259
Specialties & taxonomies
Residential Treatment Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-02-27
- Last updated
- 2026-01-16
- Certified
- 2026-01-16
Frequently asked questions
- What is Four Oaks Family and Children'S Services's NPI number?
- Four Oaks Family and Children'S Services's National Provider Identifier (NPI) is 1851858617, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Four Oaks Family and Children'S Services?
- Four Oaks Family and Children'S Services is classified in the NPPES registry as Psychiatric Residential Treatment Facility (Residential Treatment Facilities).
- Where is Four Oaks Family and Children'S Services located?
- Four Oaks Family and Children'S Services's practice location on file with NPPES is 80 North Eisenhower Ave, Mason City, IA 50401-7340.
- What is Four Oaks Family and Children'S Services's phone number?
- The practice phone number listed in the NPPES registry for Four Oaks Family and Children'S Services is (319) 364-0259.
- Who is the authorized official for Four Oaks Family and Children'S Services?
- The authorized official listed on Four Oaks Family and Children'S Services's NPPES record is Mary Beth O'Neill, President/Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Four Oaks Family and Children'S Services's NPI active?
- Yes — Four Oaks Family and Children'S Services's NPI (1851858617) is active in the NPPES registry as of the last update on 2026-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.