James M. Perschbacher, MD

Medicare activity in 2024

Official CMS public-use data for James M. Perschbacher, 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. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)598 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)490 services
3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)241 services
4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)181 services
5. Ultrasound of heart with color-depicted blood flow, rate and valve function (93325)119 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%
• Ischemic heart disease59%
• Arthritis55%
• Heart failure46%
• Chronic kidney disease45%

Hospitals where James M. Perschbacher works

Medicare's Facility Affiliation Data lists James M. Perschbacher 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 JeffersonCrystal City, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260023
• Mercy Hospital SouthSaint Louis, MO · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 260077
• 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 James M. Perschbacher is enrolled with Medicare (CMS data updated October 2, 2026).

• 1001 S Kirkwood Rd, 310 Mercy Clinic Heart Heart and VasculSaint Louis, MO 63122 (314) 842‑0602
• 10012 Kennerly Rd, Suite 300Saint Louis, MO 63128 (314) 842‑0602

Group practices

Medicare enrollment lists James M. Perschbacher as a member of this group (CMS data updated October 2, 2026).

• Mercy Clinic Heart and Vascular LLC113 clinicians in the group

Specialties

• Cardiovascular Disease (Cardiology)primary

Find other Cardiovascular Disease (Cardiology) doctors in Missouri →

Other cardiologists in Saint Louis

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

• Stuart T. Higano, MD
• Deryk L. McDowell, MD
• Michael R. Klein, MD
• Kan Liu, MD
• Thomas B. Morrison, MD
• Michael W. Rich, MD
• Anne M. Kerchberger, MD
• George M. Kichura, MD

All cardiologists in Saint Louis →

Other clinicians in Mercy Clinic Heart and Vascular LLC

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

• Dena B. Kruse, NP
• Ashley Riegert
• Deryk L. McDowell, MD
• Robert H. Neumayr, MD
• Mark W. Vogel, MD
• John M. Mohart, 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