KIM M WINTERHALTER MD
NPI 1730151952
Pediatrics in Grand Rapids, MI
About Kim M Winterhalter Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KIM M WINTERHALTER MD (NPI 1730151952) is an individual pediatrics provider in Grand Rapids, Michigan, licensed in Michigan (4301061605) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 4
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 (PECOS)
Kim M Winterhalter Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Kim Winterhalter 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.
Physician 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 Kim Winterhalter's NPI number?
The NPI number for Kim Winterhalter is 1730151952. It was assigned to this individual provider in the NPPES registry on February 2, 2006. The provider is also known as Kim M Rzeszutko.
Where is Kim Winterhalter located?
Kim Winterhalter practices at 100 Michigan St NE Mc 845, Grand Rapids, MI 49503. The listed phone number is (616) 267-0118.
What is Kim Winterhalter's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Kim Winterhalter enrolled in Medicare?
Yes. Kim Winterhalter is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Kim Winterhalter's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kim Winterhalter 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 Kim Winterhalter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kim Winterhalter accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and Priority Health list Kim Winterhalter 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 Kim Winterhalter was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.