John H. Wilmas Jr., MD

Medicare activity in 2024

Official CMS public-use data for John H. Wilmas Jr., 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)78 services
2. Emergency department visit with moderate level of medical decision making (99284)40 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%
• Arthritis59%
• Anxiety47%
• Chronic kidney disease47%
• Ischemic heart disease44%

Hospitals where John H. Wilmas Jr. works

Medicare's Facility Affiliation Data lists John H. Wilmas Jr. 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.

• Mercy Hospital LincolnTroy, MO · Critical Access Hospital · Emergency services: listed by Medicare · CCN 261319
• Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260020

Practice locations

Addresses where John H. Wilmas Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

• 615 S New Ballas RdSaint Louis, MO 63141 (636) 251‑6000

Group practices

Medicare enrollment lists John H. Wilmas Jr. as a member of this group (CMS data updated October 2, 2026).

• Mercy Hospitals East Communities98 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.

• Emily A. Cloessner, MD
• Wendy Y. Huang, MD
• Daniel L. Theodoro, MD
• John Schneider
• Joseph M. Schuster, DO
• Kamal Gursahani, MD
• Emily A. Fite, MD
• Nizar Osmani, MD

All emergency medicine doctors in Saint Louis →

Other clinicians in Mercy Hospitals East Communities

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

• Marc J. Bernstein, MD
• Kelly Thomas
• Joseph M. Schuster, DO
• Steven A. Hilton, MD
• Alexandra M. Kolodziejski, MD
• Donald H. Lange, 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