WILLIAM S MUIR MD SPINE SURGERY
NPI 1255658019
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Las Vegas, NV

Q: What is William S Muir MD Ltd's NPI number?

The NPI number for William S Muir MD Ltd is 1255658019. It was assigned to this organization in the NPPES registry on May 3, 2010. The provider is doing business as William S Muir MD Spine Surgery.

Q: What is William S Muir MD Ltd's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.

Active since May 03, 2010CLIA Certified · 2 labs

653 N TOWN CENTER DR, SUITE 210, LAS VEGAS, NV 89144(702) 254-3020(702) 255-2620 Get Directions Write a Review

NPPES record last updated: May 3, 2010. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About William S Muir Md Spine Surgery NPPES

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

WILLIAM S MUIR MD SPINE SURGERY (NPI 1255658019) is a healthcare organization registered as an orthopaedic surgery of the spine in Las Vegas, Nevada and active in the NPI registry since May 2010. The organization holds 2 active CLIA laboratory certificates and lists William Squires Muir, President/physician, as its authorized official.

NPPES Registry Identity

NPI1255658019

Entity TypeOrganization

Primary Taxonomy207XS0117X

Legal Business NameWILLIAM S MUIR MD LTD

Location Address653 N TOWN CENTER DR, SUITE 210Las Vegas, NV 89144-0514

Mailing Address653 N Town Center Dr, Suite 210Las Vegas, NV 89144-0514 · (702) 254-3020 · Fax (702) 255-2620

Phone(702) 254-3020

Fax(702) 255-2620

Organization SubpartNo

Authorized OfficialWilliam Squires MuirPresident/physician · (702) 254-3020

Enumeration DateMay 3, 2010

✔ NPI 1255658019 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic Surgery · Orthopaedic Surgery of the SpineAllopathic & Osteopathic Physicians

Taxonomy Code207XS0117X

License✔ Licensed in NV · 11685

Definition

Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic surgeons of the spine deal with the evaluation and nonoperative and operative treatment of the full spectrum of primary spinal disorders including trauma, degenerative, deformity, tumor, and reconstructive.

653 N TOWN CENTER DR, Las Vegas, NV 89144

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Other Names 1

Doing Business AsWilliam S Muir Md Spine Surgery

Other Identifiers 3

Medicare UPINF09626NV

Medicare PIN104258NV

Medicaid002084150NV

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA 2

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 29D2166409

William S Muir MD · Las Vegas, NV

Active · expires May 15, 2027

CLIA Number29D2166409

Laboratory TypePhysician Office

Certificate Effective DateMay 16, 2025

Certificate Expiration DateMay 15, 2027

Laboratory DirectorWilliam S. Muir

Laboratory Phone(702) 254-3020

Laboratory LocationWilliam S Muir MD653 N Town Center Dr Ste 210, Las Vegas, NV 89144

CLIA data matches this NPI record on: Address Name Phone

This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 29D2258937

William S Muir MD · Henderson, NV

Active · expires Apr 27, 2028

CLIA Number29D2258937

Laboratory TypePhysician Office

Certificate Effective DateApril 28, 2026

Certificate Expiration DateApril 27, 2028

Laboratory DirectorWilliam S. Muir

Laboratory Phone(702) 254-3020

Laboratory LocationWilliam S Muir MD1399 Galleria Drive #100, Henderson, NV 89014

CLIA data matches this NPI record on: Name Phone

This certificate is issued to a laboratory to perform only waived tests.

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.

EARL PLASTIC SURGERY, P.C.

Plastic Surgery

653 N TOWN CENTER DR, SUITE 108
LAS VEGAS, NV 89144

Clark County (702) 939-3436

DR. JOSHUA MACON M.D.

Anesthesiology

653 N TOWN CENTER DR, SUITE 402
LAS VEGAS, NV 89144

Clark County (702) 562-3039

TRESA CHAKKALAKKAL MD

Pediatrics

653 N TOWN CENTER DR, SUITE 106
LAS VEGAS, NV 89144

Clark County (702) 363-3000

KAREN DALLEY MD LTD

Obstetrics & Gynecology

653 N TOWN CENTER DR, SUITE 514
LAS VEGAS, NV 89144

Clark County (702) 869-0070

JAMES WILLIAM ZELUFF M.D.

Obstetrics & Gynecology (Gynecology)

653 N TOWN CENTER DR, SUITE 214
LAS VEGAS, NV 89144

Clark County (702) 255-2022

DEB K. MUKHOPADHYAY M.D.

Internal Medicine (Gastroenterology)

653 N TOWN CENTER DR, SUITE #604
LAS VEGAS, NV 89144

Clark County (702) 233-0666

DR. FRANK ROBERT GIOIA MD

Pediatrics (Pediatric Critical Care Medicine)

653 N TOWN CENTER DR, STE 408
LAS VEGAS, NV 89144

Clark County (702) 395-7095

PAUL SCHWINGLER

Physical Medicine & Rehabilitation

653 N TOWN CENTER DR
LAS VEGAS, NV 89144

Clark County (702) 254-3020

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 S Muir MD Ltd's NPI number?

The NPI number for William S Muir MD Ltd is 1255658019. It was assigned to this organization in the NPPES registry on May 3, 2010. The provider is doing business as William S Muir MD Spine Surgery.

Where is William S Muir MD Ltd located?

William S Muir MD Ltd is located at 653 N Town Center Dr Suite 210, Las Vegas, NV 89144. The listed phone number is (702) 254-3020.

What is William S Muir MD Ltd's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.

Does William S Muir MD Ltd hold CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for William S Muir MD Ltd was last updated on May 3, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.