William J. Knox Iv, MD

Medicare activity in 2024

Official CMS public-use data for William J. Knox Iv, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Screening 3d breast mammography (77063)395 services
2. Screening mammography (77067)394 services
3. Dxa bone density measurement of hip, pelvis, spine (77080)155 services
4. X-ray of chest, 2 views (71046)99 services
5. X-ray of knee, 3 views (73562)68 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol75%
• Arthritis53%
• Ischemic heart disease30%
• Diabetes28%
• Anxiety28%

Hospitals where William J. Knox Iv works

Medicare's Facility Affiliation Data lists William J. Knox Iv at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Ochsner Medical Center AcuteNew Orleans, LA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 190036
• Ochsner Medical Center-HancockBay Saint Louis, MS · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 250162
• Slidell Memorial HospitalSlidell, LA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 190040

Practice locations

Addresses where William J. Knox Iv is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 12; the Medicare profile lists all.

• 100 Medical Ctr DrSlidell, LA 70461 (985) 646‑5055
• 1000 Ochsner BlvdCovington, LA 70433 (985) 875‑2828
• 10310 the Grove BlvdBaton Rouge, LA 70836 (225) 761‑5200
• 104 Acadia Park DrRaceland, LA 70394 (985) 537‑3211
• 149 Drinkwater RdBay Saint Louis, MS 39520 (504) 842‑4431

Group practices

Medicare enrollment lists William J. Knox Iv as a member of these groups (CMS data updated October 2, 2026).

• Ochsner Clinic LLC2,864 clinicians in the group
• Ochsner Mississippi, LLC100 clinicians in the group

Specialties

• Diagnostic Radiologyprimary
• Nuclear Medicinealso

Find other Diagnostic Radiology doctors in Louisiana →

Other radiologists in Slidell

Clinicians with the same Medicare primary specialty in Slidell, LA — not a recommendation.

• Aran M. Toshav, MD
• Klar Rovira Iv, MD
• David Phelps, MD
• Ahmed Samara, MD
• William R. Romani Jr., MD
• Stephen Wei, MD
• Richelle Legnon, MD
• Richard W. Mankinen, MD

All radiologists in Slidell →

Other clinicians in Ochsner Clinic LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Shannae Harness, CP
• Margo S. Sheard, CNA
• Todd E. Layman, MD
• Derrick Courville, MD
• Marcie C. Tauzin, MD
• Lauren Lyons, CNA

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians