RONALD S GRANT MD
NPI 1558476291
Pediatrics in Rockford, IL
About Ronald S Grant Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RONALD S GRANT MD (NPI 1558476291) is an individual pediatrics provider in Rockford, Illinois, licensed in Illinois (036136987) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 4
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)
Ronald S Grant Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Ronald Grant reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rockford, IL 61114
- Reassigned Medicare billing, Illinois enrollment
- 1,375 clinicians in this Medicare group
Mesa, AZ 85206
- Reassigned Medicare billing, Arizona enrollment
- Medicare enrollment name: Phoenix Children's Hospital
- 1,416 clinicians in this Medicare group
Tucson, AZ 85712
- Reassigned Medicare billing, Arizona enrollment
- 471 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 61108 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.
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 Ronald Grant's NPI number?
The NPI number for Ronald Grant is 1558476291. It was assigned to this individual provider in the NPPES registry on August 21, 2006.
Where is Ronald Grant located?
Ronald Grant practices at 5666 E State St, Rockford, IL 61108. The listed phone number is (815) 226-2000.
What is Ronald Grant's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Ronald Grant enrolled in Medicare?
Yes. Ronald Grant is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ronald Grant's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ronald Grant reassigns Medicare benefits to 3 organizations: Rockford Health Physicians (Rockford, IL), Phoenix Children's Medical Group (Mesa, AZ) and Tmc Medical Network (Tucson, AZ). 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 Ronald Grant's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ronald Grant accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Antidote Health Plan of Arizona, Inc., Aspirus Health Plan and Blue Cross Blue Shield of Arizona list Ronald Grant 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 Ronald Grant was last updated on November 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.