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

Alexandra Hartke, DNP

Individual provider Pediatrics Physician · NPI 1891677100

Alexandra Hartke, DNP is a Nurse Practitioner in Sioux Falls, South Dakota. Qualified in 2025, 1 year ago. Works from 2 locations and accepts Medicare assignment. Licensed in South Dakota.

Years since qualifying
1
Licensed in
SD
In the registry since
2025
Specialties on file
2
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.

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Practice location Address checks out

2601 S Ellis Rd
Sioux Falls, SD 57106-7067
Phone: (605) 332-2883
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1408 W Laquinta St, Sioux Falls, SD 57108-3301 — (845) 238-9856

Specialties & licences

Pediatric Nurse Practitioner (primary) Taxonomy 363LP0200X · Licence CP003744 (SD)
Pediatrics Physician Taxonomy 208000000X · Licence CP003744 (SD)

Record details

NPI number1891677100
Entity typeIndividual (Type 1)
GenderFemale
Credentials DNP
Sole proprietorNo
NPI enumeratedJuly 25, 2025
Last updated in NPPESAugust 25, 2025
Certification dateAugust 25, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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