ABIGAIL JEAN ANTONIDES NP
NPI 1093596819
Nurse Practitioner - Gerontology in Grand Rapids, MI
About Abigail Jean Antonides Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ABIGAIL JEAN ANTONIDES NP (NPI 1093596819) is an individual gerontology provider in Grand Rapids, Michigan, licensed in Michigan (4704322678) and active in the NPI registry since October 2023. She is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Other (2023).
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
Abigail Jean Antonides Np 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
5Medicare enrollment records show Abigail Antonides reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grand Rapids, MI 49503
- Reassigned Medicare billing, Michigan enrollment
- 2,446 clinicians in this Medicare group
Greenville, MI 48838
- Reassigned Medicare billing, Michigan enrollment
- 242 clinicians in this Medicare group
Grant, MI 49327
- Reassigned Medicare billing, Michigan enrollment
- 180 clinicians in this Medicare group
Hastings, MI 49058
- Reassigned Medicare billing, Michigan enrollment
- 184 clinicians in this Medicare group
Reed City, MI 49677
- Reassigned Medicare billing, Michigan enrollment
- 132 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
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.
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 Reed City Hospital
Critical Access Hospitals · Reed City, 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
GRAND RAPIDS, MI 49503
GRAND RAPIDS, MI 49503
GRAND RAPIDS, MI 49503
GRAND RAPIDS, MI 49503
GRAND RAPIDS, MI 49503
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 Abigail Antonides's NPI number?
The NPI number for Abigail Antonides is 1093596819. It was assigned to this individual provider in the NPPES registry on October 9, 2023. The provider is also known as Abigail Jean Voss Np.
Where is Abigail Antonides located?
Abigail Antonides practices at 145 Michigan St NE Ste 3410, Grand Rapids, MI 49503. The listed phone number is (616) 391-9945.
What is Abigail Antonides's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.
Is Abigail Antonides enrolled in Medicare?
Yes. Abigail Antonides 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 Abigail Antonides's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Abigail Antonides reassigns Medicare benefits to 5 organizations: Spectrum Health Primary Care Partners (Grand Rapids, MI), Spectrum Health United (Greenville, MI), Newaygo County General Hospital Association (Grant, MI), Pennock Hospital (Hastings, MI) and Reed City Hospital Corporation (Reed City, MI). 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 Abigail Antonides's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Abigail Antonides accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and Priority Health list Abigail Antonides 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 Abigail Antonides affiliated with any hospitals?
According to CMS data, Abigail Antonides is affiliated with Spectrum Health and Corewell Health Reed City Hospital.
When was this NPI record last updated?
The NPPES record for Abigail Antonides was last updated on October 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Abigail Jean Antonides, NP · NPI 1093596819
Gerontology physician in Grand Rapids, Michigan. Individual provider, active in the CMS NPPES registry since October 9, 2023.
## Identity
- **NPI:** 1093596819 (Entity type: Individual)
- **Enumerated:** October 9, 2023
- **Primary specialty:** Nurse Practitioner - Gerontology · taxonomy 363LG0600X
- **State license:** 4704322678 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 145 MICHIGAN ST NE STE 3410, Grand Rapids, MI 49503-2563
- **Phone:** (616) 391-9945
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Spectrum Health Primary Care Partners (NPI 1326599671, Grand Rapids, MI); Spectrum Health United (NPI 1538436852, Greenville, MI); Newaygo County General Hospital Association (NPI 1013040492, Grant, MI); Pennock Hospital (NPI 1629494133, Hastings, MI); Reed City Hospital Corporation (NPI 1538239892, Reed City, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** October 2, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1093596819) · Data from the CMS NPPES public registry.