Doctor profile · Federal record

Dr. Samuel Niewenhuis, CNP, FNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Sioux Falls, SD

  • NPI 1356946453
  • Accepts Medicare
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1325 S Cliff Ave
Sioux Falls, SD 571051007
(605) 322-2000
Mailing address
2734 S Avondale CT
Sioux Falls, SD 571105618

Credentials & registration

NPPES · NUCC
NPI registered
December 2020 — 6 yrs on file
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
South Dakota #CP001899

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356946453. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
31
Distinct HCPCS
1
Medicare allowed
$2,283
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 31 31 $74

In context: peer comparison

Among 67 peers in this city , average services per provider: 127. This provider delivers 0.2× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Samuel Niewenhuis's medical specialty?
Dr. Samuel Niewenhuis practices Family Nurse Practitioner in Sioux Falls, SD.
Where does Dr. Samuel Niewenhuis practice?
Dr. Samuel Niewenhuis practices at 1325 S Cliff Ave, Sioux Falls, SD 571051007. Office phone: 6053222000.
What is Dr. Samuel Niewenhuis's NPI?
Dr. Samuel Niewenhuis's National Provider Identifier (NPI) is 1356946453, issued by NPPES.
Does Dr. Samuel Niewenhuis accept Medicare assignment?
Yes. Dr. Samuel Niewenhuis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Samuel Niewenhuis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.