Chantal G. Berez, MD

Medicare activity in 2024

Official CMS public-use data for Chantal G. Berez, 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)369 services
2. 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)361 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)152 services
4. Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes (G0446)144 services
5. Annual depression screening, 5 to 15 minutes (G0444)139 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%
• Arthritis44%
• Anxiety27%
• Diabetes26%
• Ischemic heart disease21%

Hospitals where Chantal G. Berez works

Medicare's Facility Affiliation Data lists Chantal G. Berez 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.

• Barnes Jewish HospitalSaint Louis, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260032
• Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260020
• St Lukes HospitalChesterfield, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260179

Practice locations

Addresses where Chantal G. Berez is enrolled with Medicare (CMS data updated October 2, 2026).

• 11550 Olive Blvd, Suite 120Creve Coeur, MO 63141 (314) 523‑2590
• 7212 Balson AveSaint Louis, MO 63130

Group practices

Medicare enrollment lists Chantal G. Berez as a member of these groups (CMS data updated October 2, 2026).

• Aging Well Health Care, LLC238 clinicians in the group
• Creve Coeur Family Medicine LLC4 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Missouri →

Other internal medicine doctors in Creve Coeur

Clinicians with the same Medicare primary specialty in Creve Coeur, MO — not a recommendation.

• Barbara C. Jost, MD
• Iqbal I. Amin, MD
• Mark Faron, MD
• Margaret Reiker, MD
• Joseph M. Fritz, MD
• Stephen Schuman, MD
• Bruce J. Berwald, MD
• Saqib Bhutto, MD

All internal medicine doctors in Creve Coeur →

Other clinicians in Aging Well Health Care, LLC

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

• Jeffrey Boesch, MD
• Sara A. Lander, MD
• Gary D. Gray, MD
• Michael Schachter, MD
• Rafi Kevorkian, MD
• Haikun Li, 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