NPPES file of Aug 9, 2026

Nancy K. Reishus, CNP

Nurse Practitioner · Watertown, SD

Nancy K. Reishus, CNP is a nurse practitioner with a practice address in Watertown, South Dakota, and NPI 1427037928, issued on Jan 12, 2006. Check the license (South Dakota R017096, 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
1427037928
Name
Nancy K. Reishus
Credential
CNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
R017096 SD
Self-reported in NPPES; status is on the state search
Practice location
901 4TH St NW, Watertown, SD 57201
Phone
(605) 886-8471
Enumerated
Jan 12, 2006
Record last updated
Apr 18, 2022
Fax
(605) 886-9317
Medicaid ID
6825852 SD
Medicare enrollment
Enrolled (PECOS I20040624000216); 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 nurse practitioner records → All 465 in South Dakota → Look up another NPI →

Also registered at 901 4TH St NW

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

  1. Nina BishopPediatrics Physician1477973774
  2. Jennifer Byer, PA-CPhysician Assistant1487973525
  3. Roger Carter, MDSurgery Physician1225017809
  4. Alan Christensen, MDSurgery Physician1023097565
  5. Robert Crank, MDDiagnostic Radiology Physician1669451100
  6. Samantha Darnall-Werlinger, MDFamily Medicine Physician1952898447

Verify Nancy K. Reishus 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 R017096    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 Medical CenterSioux Falls, SD

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

Nancy K. Reishus among 465 nurse practitioner records in South Dakota

Nancy K. Reishus, CNP is one of 465 nurse practitioner records with a practice address in South Dakota. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 84% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1977 · median 2018 among the 331 with a school on file
  • Record last updated2022 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 nurse practitioner records list a practice address in Watertown

They are 5 of the 543 NPPES records with a practice address in Watertown, and 465 nurse practitioner records in South Dakota.

All 465 in South Dakota → Every provider in Watertown → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Heidi Barber, CNPWatertown, SD 572011831709369
  2. Kristina Boetel, CNPWatertown, SD 572011184192650
  3. Mary Durkin, CNPWatertown, SD 572011710750955
  4. Megan Flemming, CNPWatertown, SD 572011326673427
  5. Allison Decurtins, CNPArlington, SD 572121497363113
  6. Mandy Wilde, CNPArlington, SD 572121316456908
  7. Lisa Bucklin, CNPSisseton, SD 572621841296555
  8. Jennifer Clark, AGNPSisseton, SD 572621679001192

Common questions

What is Nancy K. Reishus, CNP's NPI number?

Nancy K. Reishus, CNP's National Provider Identifier (NPI) is 1427037928, issued on Jan 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nancy K. Reishus, CNP located?

The NPPES record lists a practice address at 901 4TH St NW, Watertown, SD, 57201. Phone: (605) 886-8471. Providers update this record themselves, so call before visiting.

How can I verify Nancy K. Reishus, CNP's license?

NPPES lists South Dakota license number R017096, 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.