Grace Keeney-Bonthrone, MD

Medicare activity in 2024

Official CMS public-use data for Grace Keeney-Bonthrone, 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.

Most frequent services

1. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)11 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 cholesterol75%
• High blood pressure60%
• Arthritis48%

Hospitals where Grace Keeney-Bonthrone works

Medicare's Facility Affiliation Data lists Grace Keeney-Bonthrone 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.

• Edward HospitalNaperville, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140231

Practice locations

Addresses where Grace Keeney-Bonthrone is enrolled with Medicare (CMS data updated October 2, 2026).

• 120 Spalding Dr, Suite 205and207Naperville, IL 60540 (630) 646‑6020
• 2650 Ridge AveEvanston, IL 60201
• 801 S Washington StNaperville, IL 60540 (630) 527‑5197
• 801 S Washington St, Fl 3Naperville, IL 60540 (630) 527‑5359

Group practices

Medicare enrollment lists Grace Keeney-Bonthrone as a member of this group (CMS data updated October 2, 2026).

• Endeavor Health Medical Group3,350 clinicians in the group

Specialties

• Obstetrics/Gynecologyprimary

Find other Obstetrics/Gynecology doctors in Illinois →

Other OB-GYNs in Naperville

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

• Joseph Martin, MD
• Mamatha M. Moodalagiriaiah, MD
• Elizabeth R. Friedman, MD
• Bridget A. Frangella, MD
• Jill K. Moran, MD
• Melinda M. George, MD
• Melissa M. Deer Pelletier, DO
• Nabiha Hashmi, MD

All OB-GYNs in Naperville →

Other clinicians in Endeavor Health Medical Group

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

• Sushma Chinni, DO
• John M. Mamalakis, MD
• Lisa C. Pellegrini, MD
• Lena X. Gong
• Michelene Janesku
• Ruhi Bari, MD

Clinician information

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