St John Macomb Oakland Hospital
St John Macomb Oakland Hospital holds 13 active organization NPIs in the federal registry, with practice locations in 3 Michigan cities. 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 NPIWarren has the most NPIs, 7
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
Most NPIs were issued in 2006 and 2008
Source: CMS NPPES, enumeration dates.
6 NPIs were issued in 2008 alone, more than in any other year.
Warren locations
The city with the most St John Macomb Oakland Hospital NPIs. The full list of all 13 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1902817620 | 11800 E 12 MILE RD ER DEPARTMENT, Warren | Emergency Medical Services (Emergency Medicine) Physician | Aug 10, 2006 |
| 1811102742 | 11800 E 12 MILE RD, Warren | Clinical Medical Laboratory | May 14, 2007 |
| 1811154628 | 11800 E 12 MILE RD, Warren | Emergency Medicine Physician | May 20, 2008 |
| 1427215235 | 11800 E 12 MILE RD, Warren | Diagnostic Radiology Physician | May 20, 2008 |
| 1578891966 | 11800 E 12 MILE RD SUITE 1829, Warren | Audiologist | Nov 24, 2009 |
| 1497063325 | 27450 SCHOENHERR RD SUITE 200, Warren | Ophthalmology Physician | Sep 14, 2010 |
| 1871896332 | 27450 SCHOENHERR RD SUITE 200, Warren | Ophthalmology Physician | Dec 6, 2010 |
All 13 locations, by city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1770750309 | 7733 E JEFFERSON AVE, Detroit | General Acute Care Hospital | May 13, 2008 |
| 1013174655 | 7733 E JEFFERSON AVE, Detroit | Anatomic Pathology & Clinical Pathology Physician | May 21, 2008 |
| 1033376538 | 7733 E JEFFERSON AVE, Detroit | Cardiovascular Disease Physician | May 21, 2008 |
| 1326205964 | 7733 E JEFFERSON AVE, Detroit | Emergency Medicine Physician | May 21, 2008 |
| 1417983990 | 27379 DEQUINDRE RD, Madison Heights | Magnetic Resonance Imaging (MRI) Clinic/Center | Jun 25, 2006 |
| 1538449921 | 27351 DEQUINDRE RD, Madison Heights | Sleep Disorder Diagnostic Clinic/Center | Aug 17, 2011 |
| 1902817620 | 11800 E 12 MILE RD ER DEPARTMENT, Warren | Emergency Medical Services (Emergency Medicine) Physician | Aug 10, 2006 |
| 1811102742 | 11800 E 12 MILE RD, Warren | Clinical Medical Laboratory | May 14, 2007 |
| 1811154628 | 11800 E 12 MILE RD, Warren | Emergency Medicine Physician | May 20, 2008 |
| 1427215235 | 11800 E 12 MILE RD, Warren | Diagnostic Radiology Physician | May 20, 2008 |
| 1578891966 | 11800 E 12 MILE RD SUITE 1829, Warren | Audiologist | Nov 24, 2009 |
| 1497063325 | 27450 SCHOENHERR RD SUITE 200, Warren | Ophthalmology Physician | Sep 14, 2010 |
| 1871896332 | 27450 SCHOENHERR RD SUITE 200, Warren | Ophthalmology Physician | Dec 6, 2010 |
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 St John Macomb Oakland Hospital have 13 NPIs?
An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. St John Macomb Oakland Hospital'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.