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

Marissa Eich, CNP

Individual provider Family Medicine Physician · NPI 1437043668

Marissa Eich, CNP is a Nurse Practitioner in Sioux Falls, South Dakota. Qualified in 2025, 1 year ago. Practices with Avera McKennan, a 962-clinician group and accepts Medicare assignment. Licensed in South Dakota.

Years since qualifying
1
Licensed in
SD
In the registry since
2025
What do these letters mean?
CNP — Certified Nurse Practitioner
A certified nurse practitioner.

See every abbreviation used in this directory →

Practice location Address checks out

6100 S Louise Ave Ste 1110
Sioux Falls, SD 57108-6030
Phone: (605) 504-1900
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence CP003708 (SD)

Record details

NPI number1437043668
Entity typeIndividual (Type 1)
GenderFemale
Credentials CNP
Sole proprietorNo
NPI enumeratedJune 4, 2025
Last updated in NPPESJune 26, 2025
Certification dateJune 26, 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)
Group practice Avera McKennan — 962 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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