Colleen M. Weiler, DO

Medicare activity in 2024

Official CMS public-use data for Colleen M. Weiler, 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. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)74 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)62 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)62 services
4. Administration of influenza virus vaccine (G0008)20 services
5. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)19 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 pressure62%
• High cholesterol55%
• Arthritis35%
• Diabetes22%
• Ischemic heart disease19%
• Osteoporosis15%

Hospitals where Colleen M. Weiler works

Medicare's Facility Affiliation Data lists Colleen M. Weiler 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 Colleen M. Weiler is enrolled with Medicare (CMS data updated October 2, 2026).

• 1049 Lake St, Suite 201Oak Park, IL 60301
• 155 E Brush Hill RdElmhurst, IL 60126 (331) 221‑0096

Group practices

Medicare enrollment lists Colleen M. Weiler as a member of these groups (CMS data updated October 2, 2026).

• Endeavor Health Medical Group3,350 clinicians in the group
• Dynamic Physical Therapy, Inc.43 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Illinois →

Other family doctors in Oak Park

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

• Christine M. Swartz, MD
• Sapna Gujja, MD
• Maura A. Stefko, MD
• Melanie Jessen, DO
• Ana Paula Carvalho Do Amaral, MD
• Joshua A. Blomgren, DO
• Amy H. Buchanan, MD
• Saskya Simon

All family doctors in Oak Park →

Other clinicians in Endeavor Health Medical Group

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

• Eva B. Fisher, CNA
• Alexandra Mitchell, MD
• Regan A. Christopoulos, MD
• Laura Strohm
• Shabnum Haleem, MD
• Andrew Brandt

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