NPPES file of Aug 9, 2026

Cassie Lynn Nelson, CNP

Psychiatric/Mental Health Nurse Practitioner · Wagner, SD

Cassie Lynn Nelson, CNP is a psychiatric/mental health nurse practitioner with a practice address in Wagner, South Dakota, and NPI 1487263513, issued on Jul 24, 2020. Check the license (South Dakota CP001779, 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 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1487263513
Name
Cassie Lynn Nelson
Credential
CNP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
CP001779 SD
Self-reported in NPPES; status is on the state search
Practice location
513 3RD St SW, Wagner, SD 57380
Phone
(605) 384-7226
Enumerated
Jul 24, 2020
Record last updated
Jan 29, 2026
Fax
(605) 384-7228
Medicare enrollment
Enrolled (PECOS I20200831001407); 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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Also registered at 513 3RD St SW

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

  1. Jamie Anderson, CSWClinical Social Worker1245122985
  2. Dylan Dethlefsen, CSW, QMHPSocial Worker1740961572
  3. Berkley Erickson, CNPFamily Nurse Practitioner1619582699
  4. Sandra Fortuna, BSWSocial Worker1023216132
  5. Deborah Hubley, PAMedical Physician Assistant1518095611
  6. Karisa KafkaRegistered Nurse1609748961

Verify Cassie Lynn Nelson 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 CP001779
    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

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96% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

34 Medicare Part D claims for 14 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.

  1. Cassie Nelson34
  2. Specialty average906

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 68.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score79.8
  2. Costout of 100 · 30%13.5
  3. Promoting interoperabilityout of 100 · 25%98.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $29.72

2 payments; by number, the most common kind was food and beverage; the largest payer was Ironshore Pharmaceuticals Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Cassie Nelson$29.72
  2. Specialty average$1,027.77

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Wagner Community Memorial HospitalWagner, SD

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

Cassie Lynn Nelson among 128 psychiatric/mental health nurse practitioner records in South Dakota

Cassie Lynn Nelson, CNP is one of 128 psychiatric/mental health nurse practitioner records with a practice address in South Dakota. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 45% of them.

  • NPI issued2020 · 45% of these records are older, 48% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2020 · median 2020 among the 86 with a school on file
  • Record last updated2026 · 23% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 psychiatric/mental health nurse practitioner record lists a practice address in Wagner

They are 1 of the 74 NPPES records with a practice address in Wagner, and 128 psychiatric/mental health nurse practitioner records in South Dakota.

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Donna Linke, CNPWoonsocket, SD 573851518021260
  2. Sachiko EvansPlankinton, SD 573681336079078
  3. Ginger Conklin, DNP, PMHNPAberdeen, SD 574011265919468
  4. Rhonda Fliehs, CNPAberdeen, SD 574011700954369
  5. Angela Gaikowski, NP-CAberdeen, SD 574011275788960
  6. Faune Kretchman, PMHNPAberdeen, SD 574011871393942
  7. Michele Thorpe, APRN, PMHNPAberdeen, SD 574011285328039
  8. Jennifer Pipitone, DNPHoward, SD 573491518623545

Common questions

What is Cassie Lynn Nelson, CNP's NPI number?

Cassie Lynn Nelson, CNP's National Provider Identifier (NPI) is 1487263513, issued on Jul 24, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Cassie Lynn Nelson, CNP located?

The NPPES record lists a practice address at 513 3RD St SW, Wagner, SD, 57380. Phone: (605) 384-7226. Providers update this record themselves, so call before visiting.

How can I verify Cassie Lynn Nelson, CNP's license?

NPPES lists South Dakota license number CP001779, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.

How much does Cassie Lynn Nelson, CNP prescribe under Medicare Part D?

In 2024, Cassie Lynn Nelson, CNP had 34 Medicare Part D claims for 14 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.

What is Cassie Lynn Nelson, CNP's MIPS final score?

The 2023 MIPS final score is 68.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.

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.