R Sergio Ramirez M D
R Sergio Ramirez M D holds 6 active organization NPIs in the federal registry, with practice locations in 2 Texas cities. All list pediatrics physician 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 NPIMission has the most NPIs, 4
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
Most NPIs were issued in 2008 and 2011
Source: CMS NPPES, enumeration dates.
3 NPIs were issued in 2008 alone, more than in any other year; none in 3 of the years between.
Mission locations
The city with the most R Sergio Ramirez M D NPIs. The full list of all 6 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1265512370 | 210 S BRYAN RD SUITE 5A, Mission | Pediatrics Physician | Oct 16, 2006 |
| 1396905543 | 210 S BRYAN RD SUITE 5 A, Mission | Pediatrics Physician | Jun 11, 2008 |
| 1922303510 | 3200 W MILE 5 RD STE 3, Mission | Pediatrics Physician | Jan 13, 2011 |
| 1548569205 | 3200 W MILE 5 RD STE 3, Mission | Pediatrics Physician | Mar 21, 2011 |
All 6 locations, by city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1528228772 | 816 E MAIN AVE SUITE H, Alton | Pediatrics Physician | Jun 11, 2008 |
| 1225298474 | 816 E MAIN AVE STE. H, Alton | Pediatrics Physician | Jun 11, 2008 |
| 1265512370 | 210 S BRYAN RD SUITE 5A, Mission | Pediatrics Physician | Oct 16, 2006 |
| 1396905543 | 210 S BRYAN RD SUITE 5 A, Mission | Pediatrics Physician | Jun 11, 2008 |
| 1922303510 | 3200 W MILE 5 RD STE 3, Mission | Pediatrics Physician | Jan 13, 2011 |
| 1548569205 | 3200 W MILE 5 RD STE 3, Mission | Pediatrics Physician | Mar 21, 2011 |
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 R Sergio Ramirez M D have 6 NPIs?
An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. R Sergio Ramirez M D'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.