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WILLIAM ALAN MARCHIO
NPI 1053384578
Anesthesiology in Las Vegas, NV

Active since February 08, 2006PECOS EnrolledAccepts Medicare Assignment
2450 W CHARLESTON, LAS VEGAS, NV 89102(702) 877-8660(702) 258-1322 Get Directions Write a Review

NPPES record last updated: February 15, 2008. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About William Alan Marchio NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM ALAN MARCHIO (NPI 1053384578) is an individual anesthesiology provider in Las Vegas, Nevada, licensed in Nevada (9530) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Tallahassee Memorial Healthcare, and is a graduate of Un Of California, Irvine, College Of Medicine (1983).

NPPES Registry Identity

NPI1053384578
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameWILLIAM ALAN MARCHIO
Location Address2450 W CHARLESTONLas Vegas, NV 89102
Mailing AddressPo Box 15645Las Vegas, NV 89114-5645 · (702) 242-7308 · Fax (702) 240-8790
Phone(702) 877-8660
Fax(702) 258-1322
Sole ProprietorNo
Medical School CMSUn Of California, Irvine, College Of MedicineGraduated 1983
Enumeration DateFebruary 8, 2006
Last NPPES UpdateFebruary 15, 2008
✔ NPI 1053384578 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in NV · 9530
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
2450 W CHARLESTON, Las Vegas, NV 89102
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Other Identifiers 3

Medicare PIN33790NV
Medicare UPIND54646
Medicaid2018371NV

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 Alan Marchio 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.

PECOS PAC ID3678508488
PECOS Enrollment IDI20111003000596
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show William Marchio reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Anesthesiology Associates Of Tallahassee Inc
1,824 mi
Anesthesiology
1300 MICCOSUKEE RD
Tallahassee, FL 32308
  • Reassigned Medicare billing, Florida enrollment
  • 171 clinicians in this Medicare group
NPI 1689348799 (877) 328-1119

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 2

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.

Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) 64415
This procedure involves injecting a numbing agent or steroid into your arm's nerve bundle. It's done to manage pain or inflammation. The injection helps block nerve signals that cause discomfort, providing relief. It's a safe, common procedure.
13 services13 patients
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 64447
This procedure involves injecting a numbing agent and/or steroid into a nerve in your thigh. It's done to alleviate pain or inflammation. A needle will be carefully positioned near the nerve, and the medicine will be administered.
13 services13 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Tallahassee Memorial Healthcare

Acute Care Hospitals · Tallahassee, FL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100135
Location1300 Miccosukee RdTallahassee, FL 32308 · Leon County
Emergency services Birthing friendly

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

Post-Anesthetic Transfer of Care Measure: Procedure Room to a Post Anesthesia Care Unit (PACU)
Percentage of patients, regardless of age, who are under the care of an anesthesia practitioner and are admitted to a PACU or other non-ICU location in which a post-anesthetic formal transfer of care protocol or checklist which includes the key transfer of…
44%578 patients2/55-star benchmark: 100%
Pre-operative OSA assessment
Percentage of patients who undergo a surgical procedure in the operating room/procedure room that have a pre-operative assessment for Obstructive Sleep Apnea (OSA)
85%1,872 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

EDWARD L KOPECKY CRNA
Nurse Anesthetist, Certified Registered
2450 W CHARLESTON
LAS VEGAS, NV 89102
Clark County (702) 877-8660
YUNG-CHIEH HO MD
Anesthesiology
2450 W CHARLESTON
LAS VEGAS, NV 89102
Clark County (702) 877-8660

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 Marchio's NPI number?

The NPI number for William Marchio is 1053384578. It was assigned to this individual provider in the NPPES registry on February 8, 2006.

Where is William Marchio located?

William Marchio practices at 2450 W Charleston, Las Vegas, NV 89102. The listed phone number is (702) 877-8660.

What is William Marchio's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is William Marchio enrolled in Medicare?

Yes. William Marchio 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 Marchio's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Marchio reassigns Medicare benefits to Anesthesiology Associates Of Tallahassee Inc (Tallahassee, FL). 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 Marchio's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is William Marchio affiliated with any hospitals?

According to CMS data, William Marchio is affiliated with Tallahassee Memorial Healthcare.

When was this NPI record last updated?

The NPPES record for William Marchio was last updated on February 15, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.