ALEXANDRA HARTKE DNP
NPI 1891677100
Nurse Practitioner - Pediatrics in Sioux Falls, SD

Active since July 25, 2025PECOS Enrolled
2601 S ELLIS RD, SIOUX FALLS, SD 57106(605) 332-2883 Get Directions Write a Review

NPPES record last updated: August 25, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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

NPI1891677100
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameALEXANDRA HARTKECredential: DNP
Location Address2601 S ELLIS RDSioux Falls, SD 57106-7067
Mailing AddressPo Box 5074Sioux Falls, SD 57117-5074
Sole ProprietorNo
Enumeration DateJuly 25, 2025
Last NPPES UpdateAugust 25, 2025
NPPES CertifiedAugust 25, 2025
✔ NPI 1891677100 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in SD · CP003744
Also ListedPediatricsTaxonomy 208000000X · License CP003744 (SD)
2601 S ELLIS RD, Sioux Falls, SD 57106

Secondary Practice Location 1

Location 11408 W Laquinta StSioux Falls, SD 57108-3301 · Phone (845) 238-9856

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).

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 Alexandra Hartke reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Family Medicine
1420 W 22NDST STE 104
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.

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.

Nurse Practitioner (Women's Health)
2601 S ELLIS RD
SIOUX FALLS, SD 57106
Clinic/Center (Multi-Specialty)
2601 S ELLIS RD
SIOUX FALLS, SD 57106
Nurse Practitioner (Obstetrics & Gynecology)
2601 S ELLIS RD
SIOUX FALLS, SD 57106
Nurse Practitioner (Family)
2601 S ELLIS RD
SIOUX FALLS, SD 57106
Marriage & Family Therapist
2601 S ELLIS RD
SIOUX FALLS, SD 57106
Family Medicine
2601 S ELLIS RD
SIOUX FALLS, SD 57106
Pediatrics
2601 S ELLIS RD
SIOUX FALLS, SD 57106
Nurse Practitioner (Pediatrics)
2601 S ELLIS RD
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.