Margaret P. Knight Devivo, DO

Medicare activity in 2024

Official CMS public-use data for Margaret P. Knight Devivo, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)799 services
2. Hospital discharge day management, more than 30 minutes (99239)217 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)58 services
4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)28 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%
• Arthritis69%
• Ischemic heart disease50%
• Chronic kidney disease47%
• Heart failure45%

Hospitals where Margaret P. Knight Devivo works

Medicare's Facility Affiliation Data lists Margaret P. Knight Devivo 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.

• Elmhurst Memorial HospitalElmhurst, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140200

Practice locations

Addresses where Margaret P. Knight Devivo is enrolled with Medicare (CMS data updated October 2, 2026).

• 155 E Brush Hill RdElmhurst, IL 60126 (331) 221‑0096
• 177 E Brush Hill RdElmhurst, IL 60126 (630) 646‑6020
• 2650 Ridge AveEvanston, IL 60201

Group practices

Medicare enrollment lists Margaret P. Knight Devivo as a member of this group (CMS data updated October 2, 2026).

• Endeavor Health Medical Group3,350 clinicians in the group

Specialties

• Hospitalistprimary

Find other Hospitalist doctors in Illinois →

Other hospitalists in Elmhurst

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

• Sarah Schiazza, DO
• Leena Raza, MD
• Eyad Abdulrazzak, MD
• Maria L. Fassari, MD
• Wayne D. Wong, MD
• Rodolfo J. San Juan, MD
• Azemina K. Poonja, MD
• Grace Salame, MD

All hospitalists in Elmhurst →

Other clinicians in Endeavor Health Medical Group

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

• Matthew D. Zawilenski, MD
• Jaime R. Obszanski, DO
• Estienne Reich
• Amy C. Daurio
• Michael S. McCormack, MD
• Daniel M. Heiferman, 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