Jason Best, LCSW
NPI 1154440105 · Clinical Social Worker · Chicago, IL
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jason Best, LCSW is a Clinical Social Worker provider in Chicago, IL (NPI 1154440105).
Provider details
- NPI number
- 1154440105
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 149.012097 (IL)
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
19 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
- 2007-03-29
- Last updated
- 2024-01-04
- Certified
- 2024-01-04
Frequently asked questions
- What is Jason Best's NPI number?
- Jason Best's National Provider Identifier (NPI) is 1154440105, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Best's specialty?
- Jason Best is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Jason Best located?
- Jason Best's practice location on file with NPPES is 2650 W Montrose Ave Ste 102, Chicago, IL 60618-1562.
- What is Jason Best's phone number?
- The practice phone number listed in the NPPES registry for Jason Best is (847) 271-1222.
- Does Jason Best accept Medicare?
- Jason Best is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jason Best's NPI active?
- Yes — Jason Best's NPI (1154440105) is active in the NPPES registry as of the last update on 2024-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.