JUSTIN CASSELS CRNA
NPI 1659110351
Nurse Anesthetist, Certified Registered in Pierre, SD
About Justin Cassels Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JUSTIN CASSELS CRNA (NPI 1659110351) is an individual nurse anesthetist, certified registered in Pierre, South Dakota, licensed in South Dakota (CR001175) and active in the NPI registry since May 2024. He is affiliated with Avera St Mary's Hospital and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
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
Justin Cassels Crna 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.
Medicare Billing Reassignments
2Medicare enrollment records show Justin Cassels reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pierre, SD 57501
- Reassigned Medicare billing, South Dakota enrollment
- 197 clinicians in this Medicare group
Sturgis, SD 57785
- Reassigned Medicare billing, South Dakota enrollment
- Medicare enrollment name: Monument Health Network Inc
- 321 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.
Avera St Mary's Hospital
Acute Care Hospitals · Pierre, SDMonument Health Spearfish Hospital
Acute Care Hospitals · Spearfish, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 57501 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.
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 Justin Cassels's NPI number?
The NPI number for Justin Cassels is 1659110351. It was assigned to this individual provider in the NPPES registry on May 22, 2024.
Where is Justin Cassels located?
Justin Cassels practices at 801 E Sioux Ave, Pierre, SD 57501. The listed phone number is (605) 224-3100.
What is Justin Cassels's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Justin Cassels enrolled in Medicare?
Yes. Justin Cassels 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 organizations bill Medicare for Justin Cassels's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Justin Cassels reassigns Medicare benefits to 2 organizations: Avera St Marys (Pierre, SD) and Regional Health Network Inc (Sturgis, SD). 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 Justin Cassels's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Justin Cassels accept?
Health plans from Avera Health Plans and Wellmark of South Dakota, Inc. list Justin Cassels 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 Justin Cassels affiliated with any hospitals?
According to CMS data, Justin Cassels is affiliated with Avera St Mary's Hospital and Monument Health Spearfish Hospital.
When was this NPI record last updated?
The NPPES record for Justin Cassels was last updated on August 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Justin Cassels, CRNA · NPI 1659110351
Nurse Anesthetist, Certified Registered physician in Pierre, South Dakota. Individual provider, active in the CMS NPPES registry since May 22, 2024.
## Identity
- **NPI:** 1659110351 (Entity type: Individual)
- **Enumerated:** May 22, 2024
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** CR001175 (South Dakota)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 801 E SIOUX AVE, Pierre, SD 57501-3323
- **Phone:** (605) 224-3100
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Avera St Marys (NPI 1073305496, Pierre, SD); Regional Health Network Inc (NPI 1881073005, Sturgis, SD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** August 9, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1659110351) · Data from the CMS NPPES public registry.