NPPES file of Aug 9, 2026

Elizabeth Marie Kallsen, CNP

Family Nurse Practitioner · Sioux Falls, SD

Elizabeth Marie Kallsen, CNP is a family nurse practitioner with a practice address in Sioux Falls, South Dakota, and NPI 1437629987, issued on Nov 27, 2018. Check the license (South Dakota CP001500, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437629987
Name
Elizabeth Marie Kallsen
Credential
CNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
CP001500 SD
Self-reported in NPPES; status is on the state search
Practice location
1315 S Cliff Ave Ste 2000, Sioux Falls, SD 57105
Phone
(605) 322-5800
Enumerated
Nov 27, 2018
Record last updated
Nov 27, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190124000946); 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 1315 S Cliff Ave Ste 2000

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

  1. Erin Greer, M.D.Nephrology Physician1780662437
  2. Holly Jensen, DNP, ARNPFamily Nurse Practitioner1154874204
  3. Wyatt KnoblochFamily Nurse Practitioner1043966914
  4. Kevin Marquez, M.D.Nephrology Physician1205179470

Verify Elizabeth Marie Kallsen 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 CP001500
    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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95% fewer Medicare Part D claims than the average family nurse practitioner in 2024

66 Medicare Part D claims for 47 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Elizabeth Kallsen66
  2. Specialty average1,305

Most prescribed

  1. Prednisone16 claims

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.

Bills Medicare through one group practice

  1. Avera MckennanSioux Falls, SD

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

Elizabeth Marie Kallsen among 862 family nurse practitioner records in South Dakota

Elizabeth Marie Kallsen, CNP is one of 862 family nurse practitioner records with a practice address in South Dakota. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 47% of them.

  • NPI issued2018 · 47% of these records are older, 46% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2018 · median 2019 among the 615 with a school on file
  • Record last updated2018 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

305 family nurse practitioner records list a practice address in Sioux Falls

They are 305 of the 6,563 NPPES records with a practice address in Sioux Falls, and 862 family nurse practitioner records in South Dakota.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Christina Gant, CNPSioux Falls, SD 571051285732479
  2. Betty HolstSioux Falls, SD 571051114940350
  3. Kristen Hurley, CNPSioux Falls, SD 571051063488310
  4. Karen Jensen, CNPSioux Falls, SD 571051588691653
  5. Tracy Kallheim, FNP-BC, ATCSioux Falls, SD 571051932251139
  6. Cheri Kovalenko, CNPSioux Falls, SD 571051164508537
  7. Susan Leitheiser, CNPSioux Falls, SD 571051811933807
  8. Rebecca Mork, CNPSioux Falls, SD 571051790738797

Common questions

What is Elizabeth Marie Kallsen, CNP's NPI number?

Elizabeth Marie Kallsen, CNP's National Provider Identifier (NPI) is 1437629987, issued on Nov 27, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth Marie Kallsen, CNP located?

The NPPES record lists a practice address at 1315 S Cliff Ave Ste 2000, Sioux Falls, SD, 57105. Phone: (605) 322-5800. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth Marie Kallsen, CNP's license?

NPPES lists South Dakota license number CP001500, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.

How much does Elizabeth Marie Kallsen, CNP prescribe under Medicare Part D?

In 2024, Elizabeth Marie Kallsen, CNP had 66 Medicare Part D claims for 47 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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.

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.