Samuel E. Niewenhuis, CNP, FNP
Family Nurse Practitioner · Sioux Falls, SD
Samuel E. Niewenhuis, CNP, FNP is a family nurse practitioner with a practice address in Sioux Falls, South Dakota, and NPI 1356946453, issued on Dec 4, 2020. Check the license (South Dakota CP001899, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Samuel E. Niewenhuis
- Credential
- CNP, FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- CP001899 SD
Self-reported in NPPES; status is on the state search - Practice location
- 1325 S Cliff Ave, Sioux Falls, SD 57105
- Phone
- (605) 322-2000
- Enumerated
- Dec 4, 2020
- Record last updated
- Dec 4, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20201223002286); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 862 in South Dakota → Look up another NPI →
Also registered at 1325 S Cliff Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jordan Ahrens, OTR/LOccupational Therapist1295442028
Verify Samuel E. Niewenhuis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
Search for license CP001899Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average family nurse practitioner in 2024
890 Medicare Part D claims for 253 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 44 claims were for opioids.
Most prescribed
- Doxycycline Hyclate46 claims
- Losartan Potassium44 claims
- Atorvastatin Calcium42 claims
- Prednisone37 claims
- Levothyroxine Sodium26 claims
- Hydrocodone-Acetaminophen25 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Samuel E. Niewenhuis among 862 family nurse practitioner records in South Dakota
Samuel E. Niewenhuis, CNP, FNP 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 2020, is newer than 60% of them.
- NPI issued2020 · 60% of these records are older, 35% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2020 · median 2019 among the 615 with a school on file
- Record last updated2020 · 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).
305 family nurse practitioner records list a practice address in Sioux Falls
They are 305 of the 6,563 NPPES records with a practice address in Sioux Falls, and 862 family nurse practitioner records in South Dakota.
All 862 in South Dakota → Every provider in Sioux Falls → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Christina Gant, CNPSioux Falls, SD 571051285732479
- Betty HolstSioux Falls, SD 571051114940350
- Kristen Hurley, CNPSioux Falls, SD 571051063488310
- Karen Jensen, CNPSioux Falls, SD 571051588691653
- Tracy Kallheim, FNP-BC, ATCSioux Falls, SD 571051932251139
- Cheri Kovalenko, CNPSioux Falls, SD 571051164508537
- Susan Leitheiser, CNPSioux Falls, SD 571051811933807
- Rebecca Mork, CNPSioux Falls, SD 571051790738797
Common questions
What is Samuel E. Niewenhuis, CNP, FNP's NPI number?
Samuel E. Niewenhuis, CNP, FNP's National Provider Identifier (NPI) is 1356946453, issued on Dec 4, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Samuel E. Niewenhuis, CNP, FNP located?
The NPPES record lists a practice address at 1325 S Cliff Ave, Sioux Falls, SD, 57105. Phone: (605) 322-2000. Providers update this record themselves, so call before visiting.
How can I verify Samuel E. Niewenhuis, CNP, FNP's license?
NPPES lists South Dakota license number CP001899, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.
How much does Samuel E. Niewenhuis, CNP, FNP prescribe under Medicare Part D?
In 2024, Samuel E. Niewenhuis, CNP, FNP had 890 Medicare Part D claims for 253 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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.
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.