Marcin Lys
NPI 1659826691 · Occupational Therapist · Chicago, IL
Marcin Lys is a Occupational Therapist provider in Chicago, IL (NPI 1659826691).
Provider details
- NPI number
- 1659826691
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 056.011342 (IL)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
- 2016-08-19
- Last updated
- 2016-08-19
Frequently asked questions
- What is Marcin Lys's NPI number?
- Marcin Lys's National Provider Identifier (NPI) is 1659826691, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcin Lys's specialty?
- Marcin Lys is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Marcin Lys located?
- Marcin Lys's practice location on file with NPPES is 345 E Wacker Dr Unit 3911, Chicago, IL 60601-5273.
- What is Marcin Lys's phone number?
- The practice phone number listed in the NPPES registry for Marcin Lys is (708) 341-4242.
- Is Marcin Lys's NPI active?
- Yes — Marcin Lys's NPI (1659826691) is active in the NPPES registry as of the last update on 2016-08-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.