BRETT RUSSELL BENNION MD
NPI 1275616104
Otolaryngology in Sidney, MT
About Brett Russell Bennion Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRETT RUSSELL BENNION MD (NPI 1275616104) is an individual otolaryngology provider in Sidney, Montana, licensed in Montana (8624) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Frances Mahon Deaconess Hospital, and is a graduate of University Of Utah School Of Medicine (1991).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Brett Russell Bennion Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Brett Bennion reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sidney, MT 59270
- Reassigned Medicare billing, Montana enrollment
Sidney, MT 59270
- Reassigned Medicare billing, Montana enrollment
- Also billed through NPI 1285719161 (Montana)
- 149 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 5
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.
Frances Mahon Deaconess Hospital
Critical Access Hospitals · Glasgow, MTSidney Health Center
Critical Access Hospitals · Sidney, MTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 59270 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
SIDNEY, MT 59270
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 Brett Bennion's NPI number?
The NPI number for Brett Bennion is 1275616104. It was assigned to this individual provider in the NPPES registry on October 23, 2006.
Where is Brett Bennion located?
Brett Bennion practices at 214 14th Ave SW Suite 101, Sidney, MT 59270. The listed phone number is (406) 488-2380.
What is Brett Bennion's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Brett Bennion enrolled in Medicare?
Yes. Brett Bennion is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Brett Bennion's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brett Bennion reassigns Medicare benefits to 2 organizations: Brett R Bennion, MD, PC (Sidney, MT) and Sidney Health Center (Sidney, MT). Each 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 Brett Bennion's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Brett Bennion accept?
Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans, Providence Health Plan and Sanford Health Plan list Brett Bennion 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.
Is Brett Bennion affiliated with any hospitals?
According to CMS data, Brett Bennion is affiliated with Frances Mahon Deaconess Hospital and Sidney Health Center.
When was this NPI record last updated?
The NPPES record for Brett Bennion was last updated on December 9, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.