1. Home
  2. Directory
  3. Wyoming
  4. Cheyenne
  5. Orthopaedic Surgery
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MOUNTAIN WEST SURGICAL SPECIALISTS LLC
NPI 1366209645
Orthopaedic Surgery in Cheyenne, WY

Active since March 04, 2024
4003 RAWLINS ST, CHEYENNE, WY 82001(307) 323-2679(307) 323-2740 Get Directions Write a Review

NPPES record last updated: September 23, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 23, 2026, May 5, 2024, Mar 4, 2024 (3 updates tracked since 2024).

About Mountain West Surgical Specialists Llc NPPES

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

MOUNTAIN WEST SURGICAL SPECIALISTS LLC (NPI 1366209645) is a healthcare organization registered as an orthopaedic surgery in Cheyenne, Wyoming and active in the NPI registry since March 2024. The organization lists Margaret E. (beth) Allen, Practice Manager, as its authorized official.

NPPES Registry Identity

NPI1366209645
Entity TypeOrganization
Primary Taxonomy207X00000X
Legal Business NameMOUNTAIN WEST SURGICAL SPECIALISTS LLC
Location Address4003 RAWLINS STCheyenne, WY 82001-1800
Mailing Address4003 Rawlins StCheyenne, WY 82001-1800 · (307) 323-2679 · Fax (307) 323-2740
Phone(307) 323-2679
Fax(307) 323-2740
Organization SubpartNo
Authorized OfficialMargaret E. (beth) AllenPractice Manager · (307) 323-2679
Enumeration DateMarch 4, 2024
Last NPPES UpdateSeptember 23, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 23, 2026
✔ NPI 1366209645 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
Also ListedSurgeryTaxonomy 208600000X
Also ListedSurgery · Trauma SurgeryTaxonomy 2086S0127X
4003 RAWLINS ST, Cheyenne, WY 82001
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Wyoming.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mountain West Surgical Specialists Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Mountain West Surgical Specialists LLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Jeremy Gates, MD
General Surgery
NPI 1629136767
4003 RAWLINS ST
Cheyenne, WY 82001
(307) 323-2679
✔ PECOS✔ Accepts MedicareSame address
Nathaniel Kaan, M.D.
General Surgery
NPI 1508210709
4003 RAWLINS ST
Cheyenne, WY 82001
(307) 323-2679
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Mountain West Surgical Specialists LLC's NPI number?

The NPI number for Mountain West Surgical Specialists LLC is 1366209645. It was assigned to this organization in the NPPES registry on March 4, 2024.

Where is Mountain West Surgical Specialists LLC located?

Mountain West Surgical Specialists LLC is located at 4003 Rawlins St, Cheyenne, WY 82001. The listed phone number is (307) 323-2679.

What is Mountain West Surgical Specialists LLC's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Mountain West Surgical Specialists LLC enrolled in Medicare?

Yes. Mountain West Surgical Specialists LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mountain West Surgical Specialists LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in General Surgery, reassign their Medicare billing to Mountain West Surgical Specialists LLC. A 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 the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Mountain West Surgical Specialists LLC accept?

Health plans from Blue Cross Blue Shield of Wyoming list Mountain West Surgical Specialists LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mountain West Surgical Specialists LLC was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 42 days 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.