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Brett Leifker
NPI 1174012488 · Behavior Technician · Tinley Park, IL
Brett Leifker is a Behavior Technician provider in Tinley Park, IL (NPI 1174012488).
Provider details
- NPI number
- 1174012488
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(62/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
83% 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
8505 183rd St Ste D
Tinley Park, IL 60487-9353
Phone: (708) 864-2990
Street-level locationGet directions
Mailing address
21600 Oxnard St Ste 1800
Woodland Hills, CA 91367-7807
Registry dates
- Enumerated
- 2018-05-02
- Last updated
- 2018-05-02
Frequently asked questions
- What is Brett Leifker's NPI number?
- Brett Leifker's National Provider Identifier (NPI) is 1174012488, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brett Leifker's specialty?
- Brett Leifker is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Brett Leifker located?
- Brett Leifker's practice location on file with NPPES is 8505 183rd St Ste D, Tinley Park, IL 60487-9353.
- What is Brett Leifker's phone number?
- The practice phone number listed in the NPPES registry for Brett Leifker is (708) 864-2990.
- Is Brett Leifker's NPI active?
- Yes — Brett Leifker's NPI (1174012488) is active in the NPPES registry as of the last update on 2018-05-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.