Quest Diagnostics Incorporated Mi
Quest Diagnostics Incorporated Mi holds 11 active organization NPIs in the federal registry, with practice locations in 11 Michigan cities. All list clinical medical laboratory 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 NPIBaldwin has the most NPIs, 1
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
Most NPIs were issued in 2006 and 2011
Source: CMS NPPES, enumeration dates.
5 NPIs were issued in 2006 alone, more than in any other year; none in 4 of the years between.
Baldwin locations
The city with the most Quest Diagnostics Incorporated Mi NPIs. The full list of all 11 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1225303480 | 1615 MICHIGAN AVE, Baldwin | Clinical Medical Laboratory | Mar 20, 2012 |
All 11 locations, by city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1225303480 | 1615 MICHIGAN AVE, Baldwin | Clinical Medical Laboratory | Mar 20, 2012 |
| 1053339002 | 1695 W 12 MILE RD STE 200, Berkley | Clinical Medical Laboratory | Jul 18, 2006 |
| 1326066374 | 32270 TELEGRAPH RD STE 100, Bingham Farms | Clinical Medical Laboratory | Jul 18, 2006 |
| 1215202486 | 520 COBB ST LABORATORY, Cadillac | Clinical Medical Laboratory | Mar 20, 2012 |
| 1033405410 | 5680 BOW POINTE DR, Clarkston | Clinical Medical Laboratory | Jun 23, 2011 |
| 1124085576 | 4100 PIER NORTH BLVD, Flint | Clinical Medical Laboratory | Apr 28, 2006 |
| 1629096680 | 4695 44TH ST SE STE B125, Kentwood | Clinical Medical Laboratory | Jul 18, 2006 |
| 1346548260 | 3394 E JOLLY RD SUITE C, Lansing | Clinical Medical Laboratory | Mar 1, 2011 |
| 1861633216 | 543 N MAIN ST STE 223, Rochester Hills | Clinical Medical Laboratory | Mar 16, 2009 |
| 1689084667 | 4045 W 13 MILE RD, Royal Oak | Clinical Medical Laboratory | Apr 30, 2014 |
| 1922026541 | 2062 N CENTER RD, Saginaw | Clinical Medical Laboratory | Jul 18, 2006 |
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 Quest Diagnostics Incorporated Mi have 11 NPIs?
An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Quest Diagnostics Incorporated Mi's NPIs list practice locations in 11 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.