ALEXANDRA HARTKE DNP
NPI 1891677100
Nurse Practitioner - Pediatrics in Sioux Falls, SD
About Alexandra Hartke Dnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDRA HARTKE DNP (NPI 1891677100) is an individual pediatrics provider in Sioux Falls, South Dakota, licensed in South Dakota (CP003744) and active in the NPI registry since July 2025. She is enrolled in Medicare PECOS and maintains a secondary practice location in Sioux Falls.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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)
Alexandra Hartke Dnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Alexandra Hartke reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sioux Falls, SD 57105
- Reassigned Medicare billing, South Dakota enrollment
- 1,097 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 57106 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
SIOUX FALLS, SD 57106
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 Alexandra Hartke's NPI number?
The NPI number for Alexandra Hartke is 1891677100. It was assigned to this individual provider in the NPPES registry on July 25, 2025.
Where is Alexandra Hartke located?
Alexandra Hartke practices at 2601 S Ellis Rd, Sioux Falls, SD 57106. The listed phone number is (605) 332-2883.
What is Alexandra Hartke's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Alexandra Hartke enrolled in Medicare?
Yes. Alexandra Hartke is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Alexandra Hartke's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Hartke reassigns Medicare benefits to Sanford Medical Center (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 Alexandra Hartke's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexandra Hartke accept?
Health plans from Sanford Health Plan, Wellmark Health Plan of Iowa, Inc. and Wellmark of South Dakota, Inc. list Alexandra Hartke 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 Alexandra Hartke was last updated on August 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.