James Malinowski DDS. David Sefcik DDS. Ltd
NPI 1679595243 · General Practice Dentistry · Joliet, IL
James Malinowski DDS. David Sefcik DDS. Ltd is a General Practice Dentistry organization in Joliet, IL (NPI 1679595243).
Provider details
- NPI number
- 1679595243
- Entity type
- Organization
- Primary specialty
- General Practice DentistryDental Providers
- Organization subpart
- No
- Authorized official
- James Malinowski, Treasurer(815) 725-1605
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-07-24
- Last updated
- 2020-08-22
Frequently asked questions
- What is James Malinowski DDS. David Sefcik DDS. Ltd's NPI number?
- James Malinowski DDS. David Sefcik DDS. Ltd's National Provider Identifier (NPI) is 1679595243, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is James Malinowski DDS. David Sefcik DDS. Ltd?
- James Malinowski DDS. David Sefcik DDS. Ltd is classified in the NPPES registry as General Practice Dentistry (Dental Providers).
- Where is James Malinowski DDS. David Sefcik DDS. Ltd located?
- James Malinowski DDS. David Sefcik DDS. Ltd's practice location on file with NPPES is 903 129th Infantry Dr, Joliet, IL 60435-3171.
- What is James Malinowski DDS. David Sefcik DDS. Ltd's phone number?
- The practice phone number listed in the NPPES registry for James Malinowski DDS. David Sefcik DDS. Ltd is (815) 725-1605.
- Who is the authorized official for James Malinowski DDS. David Sefcik DDS. Ltd?
- The authorized official listed on James Malinowski DDS. David Sefcik DDS. Ltd's NPPES record is James Malinowski, Treasurer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is James Malinowski DDS. David Sefcik DDS. Ltd's NPI active?
- Yes — James Malinowski DDS. David Sefcik DDS. Ltd's NPI (1679595243) 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.