Samuel E Niewenhuis, CNP, FNP
Family Nurse Practitioner · Sioux Falls, SD
At a glance
1325 S Cliff Ave, Sioux Falls, SD 57105-1007
NPPES record updated Dec 4, 2020. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
This clinician has a currently effective opt-out record in the imported CMS file. Ask the practice about payment arrangements before booking.
- Effective Jan 1, 2026 through Jan 1, 2028
Source: Opt Out Affidavits : 2026-08-01 · Reporting period: 2026-08-01 to 2026-08-31 · Published Sep 21, 2026.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
1325 S Cliff AveSioux Falls, SD 57105-1007
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2020
- CMS specialties
- Nurse Practitioner
Reported hospital affiliations
- Avera Mckennan Hospital & University Health Center Sioux Falls, SD
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Family Nurse Practitioner
- Taxonomy code
- 363LF0000X
- Enumeration date
- Dec 4, 2020
- Record updated
- Dec 4, 2020
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- CNP, FNP
Reported taxonomies and licenses
363LF0000X · Primary
License reported: CP001899 SD
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1325 S Cliff AveSioux Falls, SD 57105-1007
- Phone
- (605) 322-2000
Mailing address
2734 S AVONDALE CTSIOUX FALLS, SD 571105618
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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