NPPES file of Aug 9, 2026

John N. Loizeaux-Witte, M.D.

Diagnostic Radiology Physician · El Paso, TX

John N. Loizeaux-Witte, M.D. is a diagnostic radiology physician with a practice address in El Paso, Texas, and NPI 1992850556, issued on Jan 24, 2007. Check the license (Texas K0901, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1992850556
Name
John N. Loizeaux-Witte
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
K0901 TX
G82321 CA
Self-reported in NPPES; status is on the state search
Practice location
4810 Rosinante RD, El Paso, TX 79922
Phone
(310) 739-0322
Enumerated
Jan 24, 2007
Record last updated
Mar 18, 2025
Medicare enrollment
Enrolled (PECOS I20130722000139); accepts Medicare assignment
Medical or professional school
University Of Southern California Keck School Of Medicine, 1990
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest diagnostic radiology physician records → All 3,124 in Texas → Look up another NPI →

Verify John N. Loizeaux-Witte in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K0901    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

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Bills Medicare through 4 group practices

  1. Northside Radiology Associates LLCEl Paso, TX
  2. Regents OF The Univ OF CAEl Paso, TX
  3. Regents OF The University OF CaliforniaEl Paso, TX
  4. Virtual Radiologic Professionals OF Texas I, PAKeller, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John N. Loizeaux-Witte among 3,124 diagnostic radiology physician records in Texas

John N. Loizeaux-Witte, M.D. is one of 3,124 diagnostic radiology physician records with a practice address in Texas. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 51% of them.

  • NPI issued2007 · 51% of these records are older, 39% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated1990 · median 2003 among the 2,277 with a school on file
  • Record last updated2025 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in Texas

There are 3,124 diagnostic radiology physician records in Texas.

All 3,124 in Texas → Every provider in El Paso → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Silvia Green, D.O., M.B.A.El Paso, TX 799201467688325
  2. Scott Blumenfeld, MDEl Paso, TX 799251598757056
  3. William Boushka, MDEl Paso, TX 799251073549879
  4. Joseph Furlong, MDEl Paso, TX 799251801898622
  5. Eusebio Martin DelgadoEl Paso, TX 799251821745076
  6. Daniel Miller, M.D.El, TX 799251790788446
  7. Sylvester Phifer, M.D.El Paso, TX 799251033185459
  8. Jorge Sarmiento, M.D.El Paso, TX 799251821005331

Common questions

What is John N. Loizeaux-Witte, M.D.'s NPI number?

John N. Loizeaux-Witte, M.D.'s National Provider Identifier (NPI) is 1992850556, issued on Jan 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John N. Loizeaux-Witte, M.D. located?

The NPPES record lists a practice address at 4810 Rosinante RD, El Paso, TX, 79922. Phone: (310) 739-0322. Providers update this record themselves, so call before visiting.

How can I verify John N. Loizeaux-Witte, M.D.'s license?

NPPES lists Texas license number K0901, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.