OrganizationActive
John Nowak, D.D.S., L.L.C.
NPI 1952518243 · Endodontics · Chicago, IL
John Nowak, D.D.S., L.L.C. is a Endodontics organization in Chicago, IL (NPI 1952518243).
Provider details
- NPI number
- 1952518243
- Entity type
- Organization
- Primary specialty
- EndodonticsDental Providers
- Organization subpart
- No
- Authorized official
- Jan Nowak, Owner(773) 792-2369
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
6143 N Northwest Hwy
Chicago, IL 60631-2127
Phone: (773) 792-2369
Fax: (773) 792-2387
Street-level locationGet directions
Mailing address
6143 N Northwest Hwy
Chicago, IL 60631-2127
Registry dates
- Enumerated
- 2007-05-17
- Last updated
- 2020-08-22
Frequently asked questions
- What is John Nowak, D.D.S., L.L.C.'s NPI number?
- John Nowak, D.D.S., L.L.C.'s National Provider Identifier (NPI) is 1952518243, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John Nowak, D.D.S., L.L.C.?
- John Nowak, D.D.S., L.L.C. is classified in the NPPES registry as Endodontics (Dental Providers).
- Where is John Nowak, D.D.S., L.L.C. located?
- John Nowak, D.D.S., L.L.C.'s practice location on file with NPPES is 6143 N Northwest Hwy, Chicago, IL 60631-2127.
- What is John Nowak, D.D.S., L.L.C.'s phone number?
- The practice phone number listed in the NPPES registry for John Nowak, D.D.S., L.L.C. is (773) 792-2369.
- Who is the authorized official for John Nowak, D.D.S., L.L.C.?
- The authorized official listed on John Nowak, D.D.S., L.L.C.'s NPPES record is Jan Nowak, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John Nowak, D.D.S., L.L.C.'s NPI active?
- Yes — John Nowak, D.D.S., L.L.C.'s NPI (1952518243) 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.