MRS. MARISSIA KAE SCHAEFER FNP
NPI 1801551544
Nurse Practitioner - Family in Brookings, SD
About Mrs. Marissia Kae Schaefer Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. MARISSIA KAE SCHAEFER FNP (NPI 1801551544) is an individual family provider in Brookings, South Dakota, licensed in South Dakota (CP002207) and active in the NPI registry since November 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mrs. Marissia Kae Schaefer Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Marissia Schaefer reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brookings, SD 57006
- Reassigned Medicare billing, South Dakota enrollment
- 826 clinicians in this Medicare group
Brookings, SD 57006
- Reassigned Medicare billing, South Dakota enrollment
- 156 clinicians in this Medicare group
Brookings, SD 57006
- Reassigned Medicare billing, South Dakota enrollment
- 111 clinicians in this Medicare group
Estelline, SD 57234
- Reassigned Medicare billing, South Dakota enrollment
- 1,097 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 57006 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Marissia Schaefer's NPI number?
The NPI number for Marissia Schaefer is 1801551544. It was assigned to this individual provider in the NPPES registry on November 8, 2021.
Where is Marissia Schaefer located?
Marissia Schaefer practices at 922 22nd Ave S, Brookings, SD 57006. The listed phone number is (605) 697-1900.
What is Marissia Schaefer's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Marissia Schaefer enrolled in Medicare?
Yes. Marissia Schaefer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Marissia Schaefer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marissia Schaefer reassigns Medicare benefits to 4 organizations: Sanford Clinic (Brookings, SD), City Of Brookings (Brookings, SD), Rural Health Care, Inc (Brookings, SD) and Sanford Medical Center (Estelline, SD). Each 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 Marissia Schaefer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marissia Schaefer accept?
Health plans from Sanford Health Plan, Security Health Plan and Wellmark of South Dakota, Inc. list Marissia Schaefer 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 Marissia Schaefer was last updated on July 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.
# Mrs. Marissia Kae Schaefer, FNP · NPI 1801551544
Family physician in Brookings, South Dakota. Individual provider, active in the CMS NPPES registry since November 8, 2021.
## Identity
- **NPI:** 1801551544 (Entity type: Individual)
- **Enumerated:** November 8, 2021
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** CP002207 (South Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 922 22ND AVE S, Brookings, SD 57006-2830
- **Phone:** (605) 697-1900
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Sanford Clinic (NPI 1043241466, Brookings, SD); City Of Brookings (NPI 1134558158, Brookings, SD); Rural Health Care, Inc (NPI 1386254191, Brookings, SD); Sanford Medical Center (NPI 1548230683, Estelline, SD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** July 19, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1801551544) · Data from the CMS NPPES public registry.