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Anesthesiology

William B. Isaacs, MD

Works at hospitals in Las Vegas, NV · Henderson, NV · Nevada

Summary

William B. Isaacs, MD (Anesthesiology) is listed by Medicare at 2 hospitals in Las Vegas, NV and Henderson, NV. NPI 1689644940. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about William B. Isaacs, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
43Years since medical school (graduated 1983)
Loma Linda University School Of MedicineMedical school
MaleGender (as listed)
Fielden, Hanson, Isaacs, Miyada, Robison, Yeh LtdGroup practice

Quick answers

Which hospitals does William B. Isaacs work at?
Medicare's official clinician data lists William B. Isaacs at 2 hospitals: Saint Rose Dominican Hospitals - San Martin Campus and Saint Rose Dominican Hospitals - Siena Campus. This is where the clinician works or has privileges; call the hospital to confirm.
Where does William B. Isaacs see patients?
Medicare's clinician data lists 6 practice locations, including Henderson, NV and Las Vegas, NV. Call before your visit to confirm the address.
What is William B. Isaacs's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does William B. Isaacs accept Medicare assignment?
Yes. Medicare's clinician data says William B. Isaacs accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for William B. Isaacs?
(702) 616-5000, as listed in official Medicare / NPI Registry data.
What is William B. Isaacs's NPI number?
1689644940. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where William B. Isaacs works

Medicare's Facility Affiliation Data lists William B. Isaacs at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where William B. Isaacs is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists William B. Isaacs as a member of this group (CMS data updated 2026-10-02).

  • Fielden, Hanson, Isaacs, Miyada, Robison, Yeh Ltd181 clinicians in the group

Specialties

Find other Anesthesiology doctors in Nevada →

Other anesthesiologists in Henderson

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

All anesthesiologists in Henderson →

Clinician information

CredentialMD
Medical schoolLoma Linda University School Of Medicine
Graduation year1983
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1689644940
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians