NPPES file of Aug 9, 2026

Justin Cassels, CRNA

Certified Registered Nurse Anesthetist · Pierre, SD

Justin Cassels, CRNA is a certified registered nurse anesthetist with a practice address in Pierre, South Dakota, and NPI 1659110351, issued on May 22, 2024. Check the license (South Dakota CR001175, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1659110351
Name
Justin Cassels
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License numbers
CR001175 SD
R049946 SD
Self-reported in NPPES; status is on the state search
Practice location
801 E Sioux Ave, Pierre, SD 57501
Phone
(605) 224-3100
Enumerated
May 22, 2024
Record last updated
Aug 9, 2024
Medicare enrollment
Enrolled (PECOS I20240702003986); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest certified registered nurse anesthetist records → All 533 in South Dakota → Look up another NPI →

Also registered at 801 E Sioux Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lisa Alban, PA-CPhysician Assistant1851739338
  2. Rebecca Benson, DOT, OTR/LOccupational Therapist1124746581
  3. Nielsen Burns, M.D.Family Medicine Physician1528408176
  4. Steven Case, RPHPharmacist1760469001
  5. Amanda DemoryOccupational Therapy Assistant1023799798
  6. Teddi DowlingNurse Practitioner1457019283

Verify Justin Cassels in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
    Search for license CR001175    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the South Dakota license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through 2 group practices

  1. Avera St MarysPierre, SD
  2. Monument Health Network IncSpearfish, SD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Justin Cassels among 533 certified registered nurse anesthetist records in South Dakota

Justin Cassels, CRNA is one of 533 certified registered nurse anesthetist records with a practice address in South Dakota. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 90% of them.

  • NPI issued2024 · 90% of these records are older, 7% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2024 · median 2013 among the 372 with a school on file
  • Record last updated2024 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 certified registered nurse anesthetist records list a practice address in Pierre

They are 10 of the 283 NPPES records with a practice address in Pierre, and 533 certified registered nurse anesthetist records in South Dakota.

All 533 in South Dakota → Every provider in Pierre → Certified Registered Nurse Anesthetist nationwide →

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Greg Jung, CRNAPierre, SD 575011386671253
  2. Nick Jung, CRNAPierre, SD 575011487063574
  3. Christopher Miller, CRNAPierre, SD 575011942245071
  4. Michael Murphy, CRNAPierre, SD 575011780240994
  5. Christopher Olson, RNAPierre, SD 575011164641320
  6. Roger Southmayd, CRNAPierre, SD 575011598705063
  7. Erica Trebesch, CRNAPierre, SD 575011104280296
  8. Rita Wendt, RNAPierre, SD 575011083832620

Common questions

What is Justin Cassels, CRNA's NPI number?

Justin Cassels, CRNA's National Provider Identifier (NPI) is 1659110351, issued on May 22, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Justin Cassels, CRNA located?

The NPPES record lists a practice address at 801 E Sioux Ave, Pierre, SD, 57501. Phone: (605) 224-3100. Providers update this record themselves, so call before visiting.

How can I verify Justin Cassels, CRNA's license?

NPPES lists South Dakota license number CR001175, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.