OLIVIA MARIE GARTHE AGACNP-BC
NPI 1093683765
Nurse Practitioner - Acute Care in Grand Rapids, MI
About Olivia Marie Garthe Agacnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OLIVIA MARIE GARTHE AGACNP-BC (NPI 1093683765) is an individual acute care provider in Grand Rapids, Michigan, licensed in Michigan (4704357009) and active in the NPI registry since October 2025. She is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Wayne State University School Of Medicine (2025).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Olivia Marie Garthe Agacnp-bc 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 Reassignment
Medicare enrollment records show Olivia Garthe reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Grand Rapids, MI 49503
- Reassigned Medicare billing, Michigan enrollment
- 2,446 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Spectrum Health
Acute Care Hospitals · Grand Rapids, MICorewell Health Gerber Hospital
Critical Access Hospitals · Fremont, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49503 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GRAND RAPIDS, MI 49503
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 Olivia Garthe's NPI number?
The NPI number for Olivia Garthe is 1093683765. It was assigned to this individual provider in the NPPES registry on October 25, 2025. The provider is also known as Olivia Marie Pierzchala.
Where is Olivia Garthe located?
Olivia Garthe practices at 100 Michigan St NE, Grand Rapids, MI 49503. The listed phone number is (616) 391-3139.
What is Olivia Garthe's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Olivia Garthe enrolled in Medicare?
Yes. Olivia Garthe 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 organization bills Medicare for Olivia Garthe's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Olivia Garthe reassigns Medicare benefits to Spectrum Health Primary Care Partners (Grand Rapids, MI). The 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 Olivia Garthe's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Olivia Garthe accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan and Ambetter from Meridian list Olivia Garthe 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.
Is Olivia Garthe affiliated with any hospitals?
According to CMS data, Olivia Garthe is affiliated with Spectrum Health and Corewell Health Gerber Hospital.
When was this NPI record last updated?
The NPPES record for Olivia Garthe was last updated on January 13, 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.
# Olivia Marie Garthe, AGACNP-BC · NPI 1093683765
Acute Care physician in Grand Rapids, Michigan. Individual provider, active in the CMS NPPES registry since October 25, 2025.
## Identity
- **NPI:** 1093683765 (Entity type: Individual)
- **Enumerated:** October 25, 2025
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 4704357009 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 MICHIGAN ST NE, Grand Rapids, MI 49503-2560
- **Phone:** (616) 391-3139
## 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:** Spectrum Health Primary Care Partners (NPI 1790093763, Grand Rapids, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 2025
## Record status
- **NPPES last updated:** January 13, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1093683765) · Data from the CMS NPPES public registry.