Medex Diagnostic Services
Medex Diagnostic Services holds 3 active organization NPIs in the federal registry, with practice locations in 2 cities in 2 states. 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 NPIHouston, TX has the most NPIs, 2
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
Most NPIs were issued in 2020 and 2025
Source: CMS NPPES, enumeration dates.
2 NPIs were issued in 2020 alone, more than in any other year; none in 4 of the years between.
Houston, TX locations
The city with the most Medex Diagnostic Services NPIs. The full list of all 3 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1316556996 | 9898 BISSONNET ST STE 150, Houston, TX | Portable X-ray and/or Other Portable Diagnostic Imaging Supplier | Jul 29, 2020 |
| 1831797885 | 9898 BISSONNET STREET SUITE #150, Houston, TX | Diagnostic Ultrasound Physician | Oct 13, 2020 |
All 3 locations, by state and city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1053122267 | 144 W HIGGINS RD, Hoffman Estates, IL | Clinical Medical Laboratory | Jan 16, 2025 |
| 1316556996 | 9898 BISSONNET ST STE 150, Houston, TX | Portable X-ray and/or Other Portable Diagnostic Imaging Supplier | Jul 29, 2020 |
| 1831797885 | 9898 BISSONNET STREET SUITE #150, Houston, TX | Diagnostic Ultrasound Physician | Oct 13, 2020 |
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 Medex Diagnostic Services have 3 NPIs?
An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Medex Diagnostic Services's NPIs list practice locations in 2 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.