Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nephrology

William J. Kennedy Jr., MD

Works at hospitals in Las Vegas, NV · Nevada

Summary

Dr. William J. Kennedy Jr., MD is a nephrologist at 2545 S Bruce St, Suite 200, Las Vegas, NV 89169. Phone: (702) 732-2438. Accepts Medicare assignment. In 2024, William J. Kennedy Jr. had 524 Original Medicare patients and 1,840 services. NPI 1558755405. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about William J. Kennedy Jr., joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does William J. Kennedy Jr. accept Medicare assignment?
Yes. Medicare's clinician data says William J. Kennedy Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does William J. Kennedy Jr. see?
In 2024, CMS data shows 524 Original Medicare patients and 1,840 services for William J. Kennedy Jr.. This counts Original Medicare only and measures volume, not quality.
What is William J. Kennedy Jr.'s NPI number?
1558755405. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for William J. Kennedy Jr., 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.

Original Medicare patients524
Services billed to Medicare1,840
Different services or procedures23
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Dialysis services, per day, less than full month service (20 years or older) (90970)536 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)505 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)230 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)147 services
  5. Dialysis services, 4 or more physician visits per month (20 years or older) (90960)95 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%
  • Chronic kidney disease75%
  • Diabetes70%
  • Heart failure56%
  • Ischemic heart disease55%

Hospitals where William J. Kennedy Jr. works

Medicare's Facility Affiliation Data lists William J. Kennedy Jr. 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.

Practice locations

Addresses where William J. Kennedy Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists William J. Kennedy Jr. as a member of this group (CMS data updated October 2, 2026).

  • NKDHC Rudnitsky PLLC44 clinicians in the group

Specialties

Find other Nephrology doctors in Nevada →

Other nephrologists in Las Vegas

Clinicians with the same Medicare primary specialty in Las Vegas, NV — not a recommendation.

All nephrologists in Las Vegas →

Other clinicians in NKDHC Rudnitsky PLLC

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

Clinician information

CredentialMD
Graduation year2015 (11 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1558755405
CorrectionsReport an error or suggest an update →

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