Fields Clinical Services LLC
NPI 1871440628 · Clinical Social Worker · Oak Park, IL
Fields Clinical Services LLC is a Clinical Social Worker organization in Oak Park, IL (NPI 1871440628).
Provider details
- NPI number
- 1871440628
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Rex Fields, Owner(773) 351-8033
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2026-03-11
- Last updated
- 2026-03-11
- Certified
- 2026-03-11
Frequently asked questions
- What is Fields Clinical Services LLC's NPI number?
- Fields Clinical Services LLC's National Provider Identifier (NPI) is 1871440628, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Fields Clinical Services LLC?
- Fields Clinical Services LLC is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Fields Clinical Services LLC located?
- Fields Clinical Services LLC's practice location on file with NPPES is 1116 Garfield St Unit 1675, Oak Park, IL 60304-0732.
- What is Fields Clinical Services LLC's phone number?
- The practice phone number listed in the NPPES registry for Fields Clinical Services LLC is (773) 351-8033.
- Who is the authorized official for Fields Clinical Services LLC?
- The authorized official listed on Fields Clinical Services LLC's NPPES record is Rex Fields, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Fields Clinical Services LLC's NPI active?
- Yes — Fields Clinical Services LLC's NPI (1871440628) is active in the NPPES registry as of the last update on 2026-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.