WILLIAM BRADFORD ISAACS MD
NPI 1689644940
Anesthesiology in Las Vegas, NV
About William Bradford Isaacs Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM BRADFORD ISAACS MD (NPI 1689644940) is an individual anesthesiology provider in Las Vegas, Nevada, licensed in Nevada (6063) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Saint Rose Dominican Hospitals - Siena Campus, and is a graduate of Loma Linda University School Of Medicine (1983).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
William Bradford Isaacs Md 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 Reassignment
Medicare enrollment records show William Isaacs reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Las Vegas, NV 89113
- Reassigned Medicare billing, Nevada enrollment
- 203 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.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Saint Rose Dominican Hospitals - Siena Campus
Acute Care Hospitals · Henderson, NVSaint Rose Dominican Hospitals - San Martin Campus
Acute Care Hospitals · Las Vegas, NVMedicare 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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LAS VEGAS, NV 89148
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 William Isaacs's NPI number?
The NPI number for William Isaacs is 1689644940. It was assigned to this individual provider in the NPPES registry on January 26, 2006.
Where is William Isaacs located?
William Isaacs practices at 9127 W Russell Rd Ste 110, Las Vegas, NV 89148. The listed phone number is (702) 878-0070.
What is William Isaacs's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is William Isaacs enrolled in Medicare?
Yes. William Isaacs 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 organization bills Medicare for William Isaacs's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Isaacs reassigns Medicare benefits to Fielden Hanson Isaacs Miyada Robison Yeh Ltd (Las Vegas, NV). The 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 William Isaacs's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is William Isaacs affiliated with any hospitals?
According to CMS data, William Isaacs is affiliated with Saint Rose Dominican Hospitals - Siena Campus and Saint Rose Dominican Hospitals - San Martin Campus.
When was this NPI record last updated?
The NPPES record for William Isaacs was last updated on June 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.