NPPES file of Aug 9, 2026

Claire Eiswirth, PA-S

Physician Assistant · Sioux Falls, SD

Claire Eiswirth, PA-S is a physician assistant with a practice address in Sioux Falls, South Dakota, and NPI 1114659463, issued on Jun 27, 2022. Check the license (South Dakota 1501, 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
1114659463
Name
Claire Eiswirth
Credential
PA-S
Primary taxonomy
Physician Assistant 363A00000X
License number
1501 SD
Self-reported in NPPES; status is on the state search
Practice location
1305 W 18TH St, Sioux Falls, SD 57105
Phone
(605) 328-4973
Enumerated
Jun 27, 2022
Record last updated
Feb 12, 2024
Medicare enrollment
Enrolled (PECOS I20240410001332); 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 physician assistant records → All 674 in South Dakota → Look up another NPI →

Also registered at 1305 W 18TH St

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

  1. Beth AbrahamsonNeonatal Nurse Practitioner1013047380
  2. Unknown AbubakarStudent in an Organized Health Care Education/Training Program1235020959
  3. Mamoon AhmedHospitalist Physician1679184360
  4. Sameer Ahmed, MDHospitalist Physician1619549292
  5. Swetha Alapati, MDHospitalist Physician1982051421
  6. Joseph Alex, MDEmergency Medicine Physician1407484819

Verify Claire Eiswirth 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 1501    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 one group practice

  1. Sanford ClinicSioux Falls, SD

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

Claire Eiswirth among 674 physician assistant records in South Dakota

Claire Eiswirth, PA-S is one of 674 physician assistant records with a practice address in South Dakota. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 84% of them.

  • NPI issued2022 · 84% of these records are older, 11% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2023 · median 2014 among the 482 with a school on file
  • Record last updated2024 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

245 physician assistant records list a practice address in Sioux Falls

They are 245 of the 6,563 NPPES records with a practice address in Sioux Falls, and 674 physician assistant records in South Dakota.

All 674 in South Dakota → Every provider in Sioux Falls → Physician Assistant nationwide →

The 8 physician assistant records with the nearest ZIP codes

  1. Beth Amdahl, PA-CSioux Falls, SD 571051831183011
  2. David Axtman, MS PA-CSioux Falls, SD 571051023081668
  3. Karen Banken, PA-CSioux Falls, SD 571051346292489
  4. Billie Baxa, PACSioux Falls, SD 571051346294857
  5. Bonnie Bleeker, PA-CSioux Falls, SD 571051083618631
  6. Jason Domagalski, PASioux Falls, SD 571051710930664
  7. Carolyn Duenwald, PA-CSioux Falls, SD 571051720032261
  8. Jennifer Houwman, PA-CSioux Falls, SD 571051720084569

Common questions

What is Claire Eiswirth, PA-S's NPI number?

Claire Eiswirth, PA-S's National Provider Identifier (NPI) is 1114659463, issued on Jun 27, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Claire Eiswirth, PA-S located?

The NPPES record lists a practice address at 1305 W 18TH St, Sioux Falls, SD, 57105. Phone: (605) 328-4973. Providers update this record themselves, so call before visiting.

How can I verify Claire Eiswirth, PA-S's license?

NPPES lists South Dakota license number 1501, 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.