Frank J. Weschler, MD

Medicare activity in 2024

Official CMS public-use data for Frank J. Weschler, 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)669 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)505 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)411 services
4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)403 services
5. Influenza vaccine split virus, preservative free (90662)141 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 pressure73%
• High cholesterol67%
• Arthritis40%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)22%
• Diabetes18%
• Atrial fibrillation18%

Hospitals where Frank J. Weschler works

Medicare's Facility Affiliation Data lists Frank J. Weschler 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.

• Northshore University Healthsystem - Evanston HospitalEvanston, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140010
• Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140242

Practice locations

Addresses where Frank J. Weschler is enrolled with Medicare (CMS data updated October 2, 2026).

• 2501 Compass RdGlenview, IL 60026 (847) 901‑5200

Group practices

Medicare enrollment lists Frank J. Weschler as a member of this group (CMS data updated October 2, 2026).

• Covenant Medical Group, LLC8 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Glenview

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

• Janet O Mahony, MD
• Gregory M. Rogers, MD
• Steven H. Zuber, MD
• Gabriel I. Berlin, MD
• Ulrike Kohler, MD
• Charles L. Ogburn Jr., MD
• Manuel Sierra Ascencio, MD
• Lester R. Sauvage Jr., MD

All internal medicine doctors in Glenview →

Other clinicians in Covenant Medical Group, LLC

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

• Claudia F. Petersen, MD
• Katherine A. Lewinski, DO
• Michael C. Caughron, MD
• Christopher A. Ho, DO
• Gregory A. Wallman, DO

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