Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Samuel E Niewenhuis, CNP, FNP

Individual provider Family Nurse Practitioner · NPI 1356946453

Samuel E Niewenhuis, CNP, FNP is a Nurse Practitioner in Sioux Falls, South Dakota. Qualified in 2020, 6 years ago. Accepts Medicare assignment. Licensed in South Dakota.

Years since qualifying
6
Licensed in
SD
In the registry since
2020
What do these letters mean?
CNP — Certified Nurse Practitioner
A certified nurse practitioner.
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

1325 S Cliff Ave
Sioux Falls, SD 57105-1007
Phone: (605) 322-2000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence CP001899 (SD)

Record details

NPI number1356946453
Entity typeIndividual (Type 1)
GenderMale
Credentials CNP , FNP
Sole proprietorNo
NPI enumeratedDecember 4, 2020
Last updated in NPPESDecember 4, 2020
Certification dateDecember 4, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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