D2 Dental At Oak Street
D2 Dental At Oak Street holds 7 active organization NPIs in the federal registry, with practice locations in 3 Illinois cities. All list general practice dentistry as their primary taxonomy; each location can bill under its own NPI.
Search the organization with your city to find the NPI for the location you visit or bill.
Find a location's NPIChicago has the most NPIs, 5
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
NPIs by year issued
Source: CMS NPPES, enumeration dates.
7 NPIs were issued in 2014 alone, more than in any other year.
Chicago locations
The city with the most D2 Dental At Oak Street NPIs. The full list of all 7 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1740692854 | 1541 W DEVON AVE, Chicago | General Practice Dentistry | May 22, 2014 |
| 1194137208 | 4848 W IRVING PARK RD, Chicago | General Practice Dentistry | May 22, 2014 |
| 1013329127 | 4318 S STATE ST, Chicago | General Practice Dentistry | May 22, 2014 |
| 1588076699 | 1715 E 95TH ST, Chicago | General Practice Dentistry | May 22, 2014 |
| 1538571591 | 3348 W 87TH ST, Chicago | General Practice Dentistry | May 27, 2014 |
All 7 locations, by city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1669884771 | 7000 CERMAK RD, Berwyn | General Practice Dentistry | May 22, 2014 |
| 1639587025 | 3046 WEST 127TH STREET, Blue Island | General Practice Dentistry | Jul 29, 2014 |
| 1740692854 | 1541 W DEVON AVE, Chicago | General Practice Dentistry | May 22, 2014 |
| 1194137208 | 4848 W IRVING PARK RD, Chicago | General Practice Dentistry | May 22, 2014 |
| 1013329127 | 4318 S STATE ST, Chicago | General Practice Dentistry | May 22, 2014 |
| 1588076699 | 1715 E 95TH ST, Chicago | General Practice Dentistry | May 22, 2014 |
| 1538571591 | 3348 W 87TH ST, Chicago | General Practice Dentistry | May 27, 2014 |
Checking an organization
- Match the NPI to the exact location you will visit or bill; each location can have its own.
- Confirm the business entity with the secretary of state.
- Check the HHS-OIG exclusion list for the organization and its owners.
- Verify each clinician you will see on their own record and with the state license search.
Common questions
Why does D2 Dental At Oak Street have 7 NPIs?
An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. D2 Dental At Oak Street's NPIs list practice locations in 3 cities.
Is an organization NPI a license?
No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.
Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.