NPPES file of Aug 9, 2026

Katie Mack, CNP

Family Nurse Practitioner · Viborg, SD

Katie Mack, CNP is a family nurse practitioner with a practice address in Viborg, South Dakota, and NPI 1326918616, issued on Nov 11, 2025. Check the license (South Dakota CP003917, 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
1326918616
Name
Katie Mack
Credential
CNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
CP003917 SD
Self-reported in NPPES; status is on the state search
Practice location
315 N Washington St, Viborg, SD 57070
Phone
(605) 326-5161
Enumerated
Nov 11, 2025
Record last updated
Nov 11, 2025
Fax
(605) 326-5196
Medicare enrollment
Enrolled (PECOS I20251126003914); 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 family nurse practitioner records → All 862 in South Dakota → Look up another NPI →

Also registered at 315 N Washington St

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

  1. Abby Halvorson, MA, SLPSpeech-Language Pathologist1588189633
  2. Bridget Heier, COTA/LOccupational Therapy Assistant1255648622
  3. Gabriel Johnson, D.OFamily Medicine Physician1275938680
  4. Kristeen Kingsbury, DPTPhysical Therapist1164738498
  5. Amanda Marts, MSPTPhysical Therapist1205939105
  6. Stanley Pagel, PHARM.D.Pharmacist1881323053

Verify Katie Mack 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 CP003917    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. Pioneer Memorial Hospital And Health ServicesViborg, SD

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

Katie Mack among 862 family nurse practitioner records in South Dakota

Katie Mack, 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 2025, is newer than 93% of them.

  • NPI issued2025 · 93% of these records are older, 3% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2025 · median 2019 among the 615 with a school on file
  • Record last updated2025 · 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).

5 family nurse practitioner records list a practice address in Viborg

They are 5 of the 30 NPPES records with a practice address in Viborg, and 862 family nurse practitioner records in South Dakota.

All 862 in South Dakota → Every provider in Viborg → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Dana Huether, DNPViborg, SD 570701144954835
  2. Alex Kalsbeck, CNPViborg, SD 570701003451881
  3. Kayla Mehlhaf, CNPViborg, SD 570701154681880
  4. Michele RohdeViborg, SD 570701871049155
  5. Amanda Anderson, CNPVermillion, SD 570691699056069
  6. Tristan Campbell, APRNVermillion, SD 570691740925973
  7. Kelsey Laska, CNPVermillion, SD 570691972276228
  8. Kristen Morrow, CNPVermillion, SD 570691245670801

Common questions

What is Katie Mack, CNP's NPI number?

Katie Mack, CNP's National Provider Identifier (NPI) is 1326918616, issued on Nov 11, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Katie Mack, CNP located?

The NPPES record lists a practice address at 315 N Washington St, Viborg, SD, 57070. Phone: (605) 326-5161. Providers update this record themselves, so call before visiting.

How can I verify Katie Mack, CNP's license?

NPPES lists South Dakota license number CP003917, 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.