AMY WITTROCK
NPI 1447123666
Nurse Practitioner - Pediatrics in Sioux Falls, SD

Active since September 24, 2025PECOS Enrolled
1325 S CLIFF AVE, SIOUX FALLS, SD 57105(605) 322-5437 Get Directions Write a Review

NPPES record last updated: December 3, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Amy Wittrock NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

AMY WITTROCK (NPI 1447123666) is an individual pediatrics provider in Sioux Falls, South Dakota, licensed in South Dakota (CP003890) and active in the NPI registry since September 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1447123666
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameAMY WITTROCK
Location Address1325 S CLIFF AVESioux Falls, SD 57105-1007
Mailing Address1325 S Cliff AveSioux Falls, SD 57105-1007 · (605) 322-5437
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateSeptember 24, 2025
Last NPPES UpdateDecember 3, 2025
NPPES CertifiedDecember 3, 2025
✔ NPI 1447123666 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in SD · CP003890
1325 S CLIFF AVE, Sioux Falls, SD 57105

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Amy Wittrock is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2668952698
PECOS Enrollment IDI20260217004158
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Amy Wittrock reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Same address
Diagnostic Radiology
1325 S CLIFF AVE
Sioux Falls, SD 57105
  • Reassigned Medicare billing, South Dakota enrollment
  • 1,277 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 57105 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.21 typical visit price
range $55.52 – $167.23
Typical copayment $21.30 (range $13.88 – $41.80)
Most-billed visit code 99203
Established Patient
$97.88 typical visit price
range $18.08 – $137.08
Typical copayment $24.47 (range $4.52 – $34.27)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Hospitalist
1325 S CLIFF AVE, SUITE 4421
SIOUX FALLS, SD 57105
Physical Therapist
1325 S CLIFF AVE
SIOUX FALLS, SD 57105
Orthopaedic Surgery (Orthopaedic Trauma)
1325 S CLIFF AVE
SIOUX FALLS, SD 57105
Nurse Anesthetist, Certified Registered
1325 S CLIFF AVE
SIOUX FALLS, SD 57105
Radiology (Diagnostic Radiology)
1325 S CLIFF AVE
SIOUX FALLS, SD 57105
Internal Medicine
1325 S CLIFF AVE
SIOUX FALLS, SD 57105
Physical Therapist
1325 S CLIFF AVE
SIOUX FALLS, SD 57105
Hospitalist
1325 S CLIFF AVE
SIOUX FALLS, SD 57105

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Amy Wittrock's NPI number?

The NPI number for Amy Wittrock is 1447123666. It was assigned to this individual provider in the NPPES registry on September 24, 2025.

Where is Amy Wittrock located?

Amy Wittrock practices at 1325 S Cliff Ave, Sioux Falls, SD 57105. The listed phone number is (605) 322-5437.

What is Amy Wittrock's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Amy Wittrock enrolled in Medicare?

Yes. Amy Wittrock is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Amy Wittrock's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Amy Wittrock reassigns Medicare benefits to Avera Mckennan (Sioux Falls, SD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Amy Wittrock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Amy Wittrock accept?

Health plans from Avera Health Plans, Medica, Wellmark Health Plan of Iowa, Inc. and Wellmark of South Dakota, Inc. list Amy Wittrock as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Amy Wittrock was last updated on December 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.