COURTNEY LEIGH MILLER CNP
NPI 1386596153
Nurse Practitioner in Sidney, MT
About Courtney Leigh Miller Cnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
COURTNEY LEIGH MILLER CNP (NPI 1386596153) is an individual nurse practitioner in Sidney, Montana, licensed in Montana (NUR-APRN-LIC-286292) and active in the NPI registry since February 2026. She is enrolled in Medicare PECOS, is affiliated with Sheridan Memorial Hosptial, and is a graduate of Other (2025).
NPPES Registry Identity
Specialties & Licenses
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)
Courtney Leigh Miller Cnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Courtney Miller reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sheridan Memorial Hosptial
Critical Access Hospitals · Plentywood, 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.
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 Courtney Miller's NPI number?
The NPI number for Courtney Miller is 1386596153. It was assigned to this individual provider in the NPPES registry on February 12, 2026.
Where is Courtney Miller located?
Courtney Miller practices at 214 14th Ave SW, Sidney, MT 59270. The listed phone number is (406) 488-2504.
What is Courtney Miller's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Courtney Miller enrolled in Medicare?
Yes. Courtney Miller is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Courtney Miller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Courtney Miller reassigns Medicare benefits to Sidney Health Center (Sidney, MT). 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 Courtney Miller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Courtney Miller 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 Courtney Miller 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 Courtney Miller affiliated with any hospitals?
According to CMS data, Courtney Miller is affiliated with Sheridan Memorial Hosptial and Sidney Health Center.
When was this NPI record last updated?
The NPPES record for Courtney Miller was last updated on February 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.
# Courtney Leigh Miller, CNP · NPI 1386596153
Nurse Practitioner physician in Sidney, Montana. Individual provider, active in the CMS NPPES registry since February 12, 2026.
## Identity
- **NPI:** 1386596153 (Entity type: Individual)
- **Enumerated:** February 12, 2026
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** NUR-APRN-LIC-286292 (Montana)
- **Sole proprietor:** No
## Practice location
- **Address:** 214 14TH AVE SW, Sidney, MT 59270-3521
- **Phone:** (406) 488-2504 · **Fax:** (406) 488-2553
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Sidney Health Center (NPI 1376617191, Sidney, MT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** February 12, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1386596153) · Data from the CMS NPPES public registry.