MARISSA CORNELIUS, LLC
NPI 1669348652
Counselor - Mental Health in Grand Island, NE
About Marissa Cornelius, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARISSA CORNELIUS, LLC (NPI 1669348652), doing business as Mc Wildflower Counseling, is a healthcare organization registered as a mental health in Grand Island, Nebraska and active in the NPI registry since October 2025. The organization lists Marissa B Cornelius, Counseling, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Marissa Cornelius, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Marissa Cornelius, LLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Marissa Cornelius, LLC's NPI number?
The NPI number for Marissa Cornelius, LLC is 1669348652. It was assigned to this organization in the NPPES registry on October 15, 2025. The provider is doing business as MC Wildflower Counseling.
Where is Marissa Cornelius, LLC located?
Marissa Cornelius, LLC is located at 312 N Elm St Ste 112, Grand Island, NE 68801. The listed phone number is (308) 672-3174.
What is Marissa Cornelius, LLC's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Marissa Cornelius, LLC enrolled in Medicare?
Yes. Marissa Cornelius, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Marissa Cornelius, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Mental Health Counselor) reassigns their Medicare billing to Marissa Cornelius, LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Marissa Cornelius, LLC accept?
Health plans from Blue Cross and Blue Shield of Nebraska list Marissa Cornelius, LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Marissa Cornelius, LLC was last updated on January 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Marissa Cornelius, Llc · NPI 1669348652
Mental Health organization in Grand Island, Nebraska. Organization record, active in the CMS NPPES registry since October 15, 2025.
## Identity
- **NPI:** 1669348652 (Entity type: Organization)
- **Enumerated:** October 15, 2025
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **Also known as:** MC Wildflower Counseling (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Marissa Cornelius, COUNSELING
## Practice location
- **Address:** 312 N ELM ST STE 112, Grand Island, NE 68801-4509
- **Phone:** (308) 672-3174
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Mental Health Counselor) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 2, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1669348652) · Data from the CMS NPPES public registry.