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

Cassandra Ann Callahan, CNP

Individual provider Family Nurse Practitioner · NPI 1235091299

Cassandra Ann Callahan, CNP is a Nurse Practitioner in Rapid City, South Dakota. Qualified in 2024, 2 years ago. Licensed in South Dakota.

Years since qualifying
2
Licensed in
SD
In the registry since
2025
What do these letters mean?
CNP — Certified Nurse Practitioner
A certified nurse practitioner.

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Practice location Address checks out

353 Fairmont Blvd
Rapid City, SD 57701-7375
Phone: (605) 755-1000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence CP003940 (SD)

Record details

NPI number1235091299
Entity typeIndividual (Type 1)
GenderFemale
Credentials CNP
Sole proprietorNo
NPI enumeratedNovember 28, 2025
Last updated in NPPESNovember 28, 2025
Certification dateNovember 28, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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