Registry data as of Aug 27, 2026

Thomas E Martens Do

Thomas E Martens Do holds 7 active organization NPIs in the federal registry, with practice locations in 6 Texas cities. All list adult medicine physician as their primary taxonomy; each location can bill under its own NPI.

CMS NPPES registry, file of Aug 9, 2026 · legal names grouped after punctuation and "LLC" are removed · method · Verify with CMS →

Which NPI is yours?

Search the organization with your city to find the NPI for the location you visit or bill.

Find a location's NPI

San Antonio has the most NPIs, 2

  1. San Antonio2
  2. Austin1
  3. Nolanville1
  4. Pflugerville1
  5. Temple1
  6. Waco1

Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.

Most NPIs were issued in 2009 and 2021

Thomas E Martens Do NPIs by year issued2009: 1, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 1, 2017: 0, 2018: 0, 2019: 0, 2020: 0, 2021: 502462009201120132015201720192021151
Thomas E Martens Do NPIs by year issued2009: 1, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 1, 2017: 0, 2018: 0, 2019: 0, 2020: 0, 2021: 502462009201020112012201320142015201620172018201920202021151
Thomas E Martens Do NPIs by year issued2009: 1, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 1, 2017: 0, 2018: 0, 2019: 0, 2020: 0, 2021: 502462009201120132015201720192021151

Source: CMS NPPES, enumeration dates.

5 NPIs were issued in 2021 alone, more than in any other year; none in 10 of the years between.

San Antonio locations

The city with the most Thomas E Martens Do NPIs. The full list of all 7 follows.

NPILocationPrimary taxonomyIssued
151854317211403 OCONNOR RD STE 118, San AntonioAdult Medicine PhysicianMar 23, 2021
14973362422515 BABCOCK RD, San AntonioAdult Medicine PhysicianApr 14, 2021
All 7 locations, by city
NPILocationPrimary taxonomyIssued
16797175815920 W WILLIAM CANNON DR BLDG 6, AustinAdult Medicine PhysicianApr 22, 2009
19620837091875 E CENTRAL TEXAS EXPWY. STE A, NolanvilleAdult Medicine PhysicianApr 14, 2021
154870387918817 N HEATHERWILDE BLVD STE 150, PflugervilleAdult Medicine PhysicianNov 17, 2016
151854317211403 OCONNOR RD STE 118, San AntonioAdult Medicine PhysicianMar 23, 2021
14973362422515 BABCOCK RD, San AntonioAdult Medicine PhysicianApr 14, 2021
19125887653809 S GENERAL BRUCE DR STE 105A, TempleAdult Medicine PhysicianApr 14, 2021
15488413802020 N VALLEY MILLS DR, WacoAdult Medicine PhysicianApr 14, 2021

Checking an organization

  1. Match the NPI to the exact location you will visit or bill; each location can have its own.
  2. Confirm the business entity with the secretary of state.
  3. Check the HHS-OIG exclusion list for the organization and its owners.
  4. Verify each clinician you will see on their own record and with the state license search.

Common questions

Why does Thomas E Martens Do 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. Thomas E Martens Do's NPIs list practice locations in 6 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.