NPPES file of Aug 9, 2026

David Jonathan Alexander, M.D.

Emergency Medicine Physician · Houston, TX

David Jonathan Alexander, M.D. is an emergency medicine physician with a practice address in Houston, Texas, and NPI 1134196082, issued on Feb 28, 2006. Check the license (Texas L6756, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134196082
Name
David Jonathan Alexander
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
L6756 TX
Self-reported in NPPES; status is on the state search
Practice location
2101 Nasa RD 1, Houston, TX 77058
Phone
(281) 483-4505
Enumerated
Feb 28, 2006
Record last updated
Mar 12, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicaid IDs
184915003 TX
184915002 TX
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 2101 Nasa RD 1

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

  1. Rainer Effenhauser, M.D.Aerospace Medicine Physician1538148523

Verify David Jonathan Alexander in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license L6756
    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.

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Industry payments in 2024: $23.90

1 payment: food and beverage; the largest payer was Integra LifeSciences Corporation. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Alexander$23.90
  2. Specialty average$953.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

David Jonathan Alexander among 4,885 emergency medicine physician records in Texas

David Jonathan Alexander, M.D. is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 67% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2010 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

818 emergency medicine physician records list a practice address in Houston

They are 818 of the 61,221 NPPES records with a practice address in Houston, and 4,885 emergency medicine physician records in Texas.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Joseph Dervay, M.D.Houston, TX 770581467422402
  2. Michael Greene, MDHouston, TX 770581932057072
  3. Maurice Holmes, M.D.Houston, TX 770581245216878
  4. Michael IpHouston, TX 770581952805483
  5. Robert Kaale, MDNassau Bay, TX 770581659487767
  6. James Locke, M.D.Houston, TX 770581518022193
  7. Diana Padilla, MDHouston, TX 770581750919320
  8. Terrence Pattinson, M.D.Houston, TX 770581538388178

Common questions

What is David Jonathan Alexander, M.D.'s NPI number?

David Jonathan Alexander, M.D.'s National Provider Identifier (NPI) is 1134196082, issued on Feb 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David Jonathan Alexander, M.D. located?

The NPPES record lists a practice address at 2101 Nasa RD 1, Houston, TX, 77058. Phone: (281) 483-4505. Providers update this record themselves, so call before visiting.

How can I verify David Jonathan Alexander, M.D.'s license?

NPPES lists Texas license number L6756, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.