OrganizationActive
Leon J Witkowski Jr DDS Ltd
NPI 1962536508 · Dentist · Mokena, IL
Leon J Witkowski Jr DDS Ltd is a Dentist organization in Mokena, IL (NPI 1962536508).
Provider details
- NPI number
- 1962536508
- Entity type
- Organization
- Primary specialty
- DentistDental Providers
- Organization subpart
- No
- Authorized official
- Leon Witkowski, Owner Practioner DDS(708) 479-9888
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(89/100 index)
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
19665 S La Grange Road
Mokena, IL 60448
Phone: (708) 479-9888
Fax: (708) 479-8900
Street-level locationGet directions
Mailing address
19665 S La Grange Road
Mokena, IL 60448
Registry dates
- Enumerated
- 2007-03-15
- Last updated
- 2020-08-22
Frequently asked questions
- What is Leon J Witkowski Jr DDS Ltd's NPI number?
- Leon J Witkowski Jr DDS Ltd's National Provider Identifier (NPI) is 1962536508, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Leon J Witkowski Jr DDS Ltd?
- Leon J Witkowski Jr DDS Ltd is classified in the NPPES registry as Dentist (Dental Providers).
- Where is Leon J Witkowski Jr DDS Ltd located?
- Leon J Witkowski Jr DDS Ltd's practice location on file with NPPES is 19665 S La Grange Road, Mokena, IL 60448.
- What is Leon J Witkowski Jr DDS Ltd's phone number?
- The practice phone number listed in the NPPES registry for Leon J Witkowski Jr DDS Ltd is (708) 479-9888.
- Who is the authorized official for Leon J Witkowski Jr DDS Ltd?
- The authorized official listed on Leon J Witkowski Jr DDS Ltd's NPPES record is Leon Witkowski, Owner Practioner DDS. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Leon J Witkowski Jr DDS Ltd's NPI active?
- Yes — Leon J Witkowski Jr DDS Ltd's NPI (1962536508) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.