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

Mrs. Catherine Marie Martin Frederick, CNP

Individual provider Acute Care Nurse Practitioner · NPI 1669608600

Mrs. Catherine Marie Martin Frederick, CNP is a Nurse Practitioner in Sioux Falls, South Dakota. Graduated from Loyola University of Chicago, Stritch School of Medicine in 2007, 19 years ago. Practices with Sanford Medical Center, a 842-clinician group and accepts Medicare assignment. Licensed in South Dakota.

Years since qualifying
19
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
SD
In the registry since
2009
Specialties on file
2
What do these letters mean?
CNP — Certified Nurse Practitioner
A certified nurse practitioner.

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Practice location Address checks out

1508 W 22nd St Ste 101
Sioux Falls, SD 57105-1514
Phone: (605) 328-3840
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence CP000522 (SD)
Acute Care Nurse Practitioner Taxonomy 363LA2100X · Licence CP000522 (SD)

Record details

NPI number1669608600
Entity typeIndividual (Type 1)
GenderFemale
Credentials CNP
Sole proprietorNo
NPI enumeratedJune 4, 2009
Last updated in NPPESMay 14, 2024
Certification dateMay 14, 2024

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 2007 (19 years in practice)
Group practice Sanford Medical Center — 842 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Sioux Falls