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David Brzezniak
NPI 1134807415 · Behavior Technician · Oak Lawn, IL
David Brzezniak is a Behavior Technician provider in Oak Lawn, IL (NPI 1134807415).
Provider details
- NPI number
- 1134807415
- 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(52/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
9115 S Cicero Ave
Oak Lawn, IL 60453-1895
Phone: (773) 449-0859
Street-level locationGet directions
Mailing address
14840 Shepard Dr
Dolton, IL 60419-2467
Registry dates
- Enumerated
- 2023-07-07
- Last updated
- 2023-07-07
- Certified
- 2023-07-07
Frequently asked questions
- What is David Brzezniak's NPI number?
- David Brzezniak's National Provider Identifier (NPI) is 1134807415, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Brzezniak's specialty?
- David Brzezniak is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is David Brzezniak located?
- David Brzezniak's practice location on file with NPPES is 9115 S Cicero Ave, Oak Lawn, IL 60453-1895.
- What is David Brzezniak's phone number?
- The practice phone number listed in the NPPES registry for David Brzezniak is (773) 449-0859.
- Is David Brzezniak's NPI active?
- Yes — David Brzezniak's NPI (1134807415) is active in the NPPES registry as of the last update on 2023-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.