IndividualActive
Ryan Mazalewski
NPI 1215805213 · Behavior Technician · Mchenry, IL
Ryan Mazalewski is a Behavior Technician provider in Mchenry, IL (NPI 1215805213).
Provider details
- NPI number
- 1215805213
- 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
Basic profile(47/100 index)
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
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
4031 W Dayton St
Mchenry, IL 60050-8377
Phone: (815) 344-1230
Street-level locationGet directions
Mailing address
5812 Bunny Ave
Mchenry, IL 60051-6265
Registry dates
- Enumerated
- 2025-10-29
- Last updated
- 2025-10-29
- Certified
- 2025-10-29
Frequently asked questions
- What is Ryan Mazalewski's NPI number?
- Ryan Mazalewski's National Provider Identifier (NPI) is 1215805213, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Mazalewski's specialty?
- Ryan Mazalewski is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Ryan Mazalewski located?
- Ryan Mazalewski's practice location on file with NPPES is 4031 W Dayton St, Mchenry, IL 60050-8377.
- What is Ryan Mazalewski's phone number?
- The practice phone number listed in the NPPES registry for Ryan Mazalewski is (815) 344-1230.
- Is Ryan Mazalewski's NPI active?
- Yes — Ryan Mazalewski's NPI (1215805213) is active in the NPPES registry as of the last update on 2025-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.