DR. JOHN N LOIZEAUX-WITTE M.D.
NPI 1992850556
Radiology - Diagnostic Radiology in El Paso, TX
About Dr. John N Loizeaux-witte M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN N LOIZEAUX-WITTE M.D. (NPI 1992850556) is an individual diagnostic radiology provider in El Paso, Texas, licensed in Texas (K0901) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Phoebe Sumter Medical Center, and maintains a secondary practice location in Edina.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. John N Loizeaux-witte M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
8Medicare enrollment records show John Loizeaux-witte reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92103
- Reassigned Medicare billing, Texas enrollment
- 5 clinicians in this Medicare group
Pomona, CA 91769
- Reassigned Medicare billing, Texas enrollment
- 9 clinicians in this Medicare group
Shenandoah, TX 77380
- Reassigned Medicare billing, Texas enrollment
- 1,278 clinicians in this Medicare group
Bakersfield, CA 93306
- Reassigned Medicare billing, Texas enrollment
- 11 clinicians in this Medicare group
Sacramento, CA 95817
- Reassigned Medicare billing, Texas enrollment
- 7 clinicians in this Medicare group
Edina, MN 55435
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Virtual Radiologic Professionals Of Texas I, PA
- 53 clinicians in this Medicare group
Dalton, GA 30720
- Reassigned Medicare billing, Texas enrollment
- 4 clinicians in this Medicare group
Atlanta, GA 30342
- Reassigned Medicare billing, Texas enrollment
- 58 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Phoebe Sumter Medical Center
Acute Care Hospitals · Americus, GAAllen Hospital
Acute Care Hospitals · Waterloo, IAMercy Hospital Ada
Acute Care Hospitals · Ada, OKMedical Center Hospital
Acute Care Hospitals · Odessa, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 79922 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Loizeaux-witte's NPI number?
The NPI number for John Loizeaux-witte is 1992850556. It was assigned to this individual provider in the NPPES registry on January 24, 2007.
Where is John Loizeaux-witte located?
John Loizeaux-witte practices at 4810 Rosinante Rd, El Paso, TX 79922. The listed phone number is (310) 739-0322.
What is John Loizeaux-witte's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is John Loizeaux-witte enrolled in Medicare?
Yes. John Loizeaux-witte is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for John Loizeaux-witte's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Loizeaux-witte reassigns Medicare benefits to 8 organizations: Regents Of The University Of California (San Diego, CA), Claremont Imaging Associates, A Medical Corporation (Pomona, CA), Singleton Associates PA (Shenandoah, TX), Kern County Hospital Authority (Bakersfield, CA), Regents Of The Univ Of Ca (Sacramento, CA) and 3 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Loizeaux-witte's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Loizeaux-witte accept?
Health plans from Blue Cross and Blue Shield of Texas, CareSource, Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list John Loizeaux-witte as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is John Loizeaux-witte affiliated with any hospitals?
According to CMS data, John Loizeaux-witte is affiliated with Phoebe Sumter Medical Center, Allen Hospital, Mercy Hospital Ada and Medical Center Hospital.
When was this NPI record last updated?
The NPPES record for John Loizeaux-witte was last updated on March 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. John N Loizeaux-Witte, M.D. · NPI 1992850556
Diagnostic Radiology physician in El Paso, Texas. Individual provider, active in the CMS NPPES registry since January 24, 2007.
## Identity
- **NPI:** 1992850556 (Entity type: Individual)
- **Enumerated:** January 24, 2007
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** K0901 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 4810 ROSINANTE RD, El Paso, TX 79922-2150
- **Phone:** (310) 739-0322
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1558463927, San Diego, CA); Claremont Imaging Associates, A Medical Corporation (NPI 1619068921, Pomona, CA); Singleton Associates PA (NPI 1487811766, Shenandoah, TX); Kern County Hospital Authority (NPI 1376623538, Bakersfield, CA); Regents Of The Univ Of Ca (NPI 1477546406, Sacramento, CA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Southern California Keck School Of Medicine, class of 1990
## Record status
- **NPPES last updated:** March 18, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1992850556) · Data from the CMS NPPES public registry.