Christian Gerhart, MD

Medicare activity in 2024

Official CMS public-use data for Christian Gerhart, 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. Emergency department visit with high level of medical decision making (99285)67 services
2. Critical care, first 30-74 minutes (99291)59 services
3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)21 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 cholesterol68%
• Arthritis63%
• Anxiety47%
• Depression42%
• Ischemic heart disease41%

Hospitals where Christian Gerhart works

Medicare's Facility Affiliation Data lists Christian Gerhart 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
• Duke University HospitalDurham, NC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 340030
• Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 260108

Practice locations

Addresses where Christian Gerhart is enrolled with Medicare (CMS data updated October 2, 2026).

• 1 Barnes Hospital PlzSaint Louis, MO 63110 (314) 362‑9170
• 400 S Kingshighway BlvdSaint Louis, MO 63110 (314) 454‑7900

Group practices

Medicare enrollment lists Christian Gerhart as a member of this group (CMS data updated October 2, 2026).

• Washington University3,029 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in Missouri →

Other emergency medicine doctors in Saint Louis

Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.

• Michael D. Feldmeier, MD
• Bryan D. Szalwinski, MD
• Kathryn B. Leonard, MD
• Oluwabamise R. Akinnawo, MD
• Jeffrey E. Siegler, MD
• Emelia L. Potter, DO
• Keara Kilbane
• Brendan M. Fitzpatrick, MD

All emergency medicine doctors in Saint Louis →

Other clinicians in Washington University

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

• Brett H. Herzog, MD
• Elliott H. Reiff
• Jason Wellen, MD
• Katherine Rivera Spoljaric, MD
• Catherine E. Gould, PA
• Katharine E. Caldwell, 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