Marissa Eich, CNP
NPI 1437043668 · Family Medicine Physician · Sioux Falls, SD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Eich, CNP is a Family Medicine Physician provider in Sioux Falls, SD (NPI 1437043668).
Provider details
- NPI number
- 1437043668
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- CNP
- Sex
- Female
- Sole proprietor
- No
- License
- CP003708 (SD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-06-04
- Last updated
- 2025-06-26
- Certified
- 2025-06-26
Frequently asked questions
- What is Marissa Eich's NPI number?
- Marissa Eich's National Provider Identifier (NPI) is 1437043668, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Eich's specialty?
- Marissa Eich is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marissa Eich located?
- Marissa Eich's practice location on file with NPPES is 6100 S Louise Ave Ste 1110, Sioux Falls, SD 57108-6030.
- What is Marissa Eich's phone number?
- The practice phone number listed in the NPPES registry for Marissa Eich is (605) 504-1900.
- Does Marissa Eich accept Medicare?
- Marissa Eich is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Eich's NPI active?
- Yes — Marissa Eich's NPI (1437043668) is active in the NPPES registry as of the last update on 2025-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.