NPPES file of Aug 9, 2026

Jolyn Sackmann, DNP, CNP, FNP-BC

Family Nurse Practitioner · Watertown, SD

Jolyn Sackmann, DNP, CNP, FNP-BC is a family nurse practitioner with a practice address in Watertown, South Dakota, and NPI 1700697687, issued on Jan 18, 2025. Check the license (South Dakota CP003586, 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
1700697687
Name
Jolyn Sackmann
Credential
DNP, CNP, FNP-BC
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
CP003586 SD
R043747 SD
Self-reported in NPPES; status is on the state search
Practice location
401 9TH Ave NW, Watertown, SD 57201
Phone
(605) 882-7770
Enumerated
Jan 18, 2025
Record last updated
Mar 28, 2025
Medicare enrollment
Enrolled (PECOS I20250604000762); 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 401 9TH Ave NW

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

  1. Ghaith Aboud, M.DInternal Medicine Physician1497117618
  2. Ferdinand Addo, MDHematology & Oncology Physician1760461388
  3. Christopher Adducci, MDUrology Physician1598709750
  4. Kayla Aman, RD, LNRegistered Dietitian1891007837
  5. Bipinkumar Amin, MDHematology & Oncology Physician1568415628
  6. Hamid Assadi, MDFamily Medicine Physician1841671872

Verify Jolyn Sackmann 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 CP003586    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. Prairie Lakes Health Care System IncWatertown, SD

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

Jolyn Sackmann among 862 family nurse practitioner records in South Dakota

Jolyn Sackmann, DNP, CNP, FNP-BC 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
  • Graduated2024 · 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).

24 family nurse practitioner records list a practice address in Watertown

They are 24 of the 543 NPPES records with a practice address in Watertown, and 862 family nurse practitioner records in South Dakota.

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

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Lindsey Barthel, NP-CWatertown, SD 572011689957565
  2. Rhonda Duncan, CNPWatertown, SD 572011831403310
  3. Haley Ellis, CNPWatertown, SD 572011306485172
  4. Travis Erickson, DNPWatertown, SD 572011467927657
  5. Kristie Goens, CNPWatertown, SD 572011245204957
  6. Sara Kruse, MSN, APRN, FNP-CWatertown, SD 572011417314295
  7. Lisa Lee, CNPWatertown, SD 572011942511365
  8. Salena Lundquist, FNP-BCWatertown, SD 572011972883486

Common questions

What is Jolyn Sackmann, DNP, CNP, FNP-BC's NPI number?

Jolyn Sackmann, DNP, CNP, FNP-BC's National Provider Identifier (NPI) is 1700697687, issued on Jan 18, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Jolyn Sackmann, DNP, CNP, FNP-BC located?

The NPPES record lists a practice address at 401 9TH Ave NW, Watertown, SD, 57201. Phone: (605) 882-7770. Providers update this record themselves, so call before visiting.

How can I verify Jolyn Sackmann, DNP, CNP, FNP-BC's license?

NPPES lists South Dakota license number CP003586, 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.