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Nurse Practitioner

Janelle D. Defilippis

Works at hospitals in Rockford, IL · Illinois

Summary

Janelle D. Defilippis is a nurse practitioner at 5666 E State St, Rockford, IL 61108. Phone: (815) 921-8929. Accepts Medicare assignment. In 2024, Janelle D. Defilippis had 134 Original Medicare patients and 191 services. NPI 1730426230. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Janelle D. Defilippis, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Janelle D. Defilippis accept Medicare assignment?
Yes. Medicare's clinician data says Janelle D. Defilippis accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Janelle D. Defilippis see?
In 2024, CMS data shows 134 Original Medicare patients and 191 services for Janelle D. Defilippis. This counts Original Medicare only and measures volume, not quality.
What is Janelle D. Defilippis's NPI number?
1730426230. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Janelle D. Defilippis, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients134
Services billed to Medicare191
Different services or procedures8
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)148 services
  2. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)35 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Chronic kidney disease57%
  • Arthritis55%
  • Heart failure54%
  • Diabetes51%

Hospitals where Janelle D. Defilippis works

Medicare's Facility Affiliation Data lists Janelle D. Defilippis at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Janelle D. Defilippis is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Janelle D. Defilippis as a member of this group (CMS data updated October 2, 2026).

  • OSF Multi-Specialty Group2,114 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Illinois →

Other nurse practitioners in Rockford

Clinicians with the same Medicare primary specialty in Rockford, IL — not a recommendation.

All nurse practitioners in Rockford →

Other clinicians in OSF Multi-Specialty Group

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Graduation year2012
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1730426230
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians