Registry data as of Aug 27, 2026

Mark Troxler, DO

Emergency Medicine Physician · McKinney, TX

Mark Troxler, DO is an emergency medicine physician with a practice address in McKinney, Texas, and NPI 1831165653, issued on Feb 23, 2006. Check the license (Texas K9922, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1831165653
Name
Mark Troxler
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
K9922 TX
3389 OK
Self-reported in NPPES; status is on the state search
Practice location
7651 Eldorado Pkwy Ste 100, McKinney, TX 75070
Phone
(972) 369-0739
Enumerated
Feb 23, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 7651 Eldorado Pkwy Ste 100

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Becky Chandler, M.D.Family Medicine Physician1104848589

Verify Mark Troxler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K9922
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

37% more Medicare Part D claims than the average emergency medicine physician in 2024

486 Medicare Part D claims for 46 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D.

  1. Mark Troxler486
  2. Specialty average355

Most prescribed

  1. Losartan Potassium38 claims
  2. Amlodipine Besylate34 claims
  3. Synthroid21 claims
  4. Potassium Chloride19 claims
  5. Pravastatin Sodium17 claims
  6. Tamsulosin Hcl17 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Emergency Medicine Physician providers in Texas

There are 4,494 emergency medicine physician records in Texas.

Other emergency medicine physician records in Texas

  1. Gordon Aalund, MDDallas, TX1740265263
  2. George Abatso, MDArlington, TX1265417786
  3. Lailah Abawi, D.O.Frisco, TX1023274164
  4. Sulaiman Abawi, D.O.Frisco, TX1780845255
  5. Agha Abbas, MDSunnyvale, TX1326001843
  6. Tazeen AbbasCollege Station, TX1700346962
  7. Abraham Abbott, MDBellaire, TX1023197175
  8. Mira Abdel Sattar, DOIrving, TX1417586728
  9. Mohammed Abdel-Al, M.D., M.S., M.SCHouston, TX1568810679
  10. Yousef Abdel-Raziq, MDTyler, TX1215432695

Common questions

What is Mark Troxler, DO's NPI number?

Mark Troxler, DO's National Provider Identifier (NPI) is 1831165653, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Troxler, DO located?

The NPPES record lists a practice address at 7651 Eldorado Pkwy Ste 100, McKinney, TX, 75070. Phone: (972) 369-0739. Providers update this record themselves, so call before visiting.

How can I verify Mark Troxler, DO's license?

NPPES lists Texas license number K9922, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark Troxler, DO prescribe under Medicare Part D?

In 2024, Mark Troxler, DO had 486 Medicare Part D claims for 46 beneficiaries; the average among emergency medicine physician prescribers was 355. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.