Erika Leung, MD

Medicare activity in 2024

Official CMS public-use data for Erika Leung, 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. Dxa bone density measurement of hip, pelvis, spine (77080)23 services
2. Screening 3d breast mammography (77063)17 services
3. Screening mammography (77067)17 services
4. Hospital discharge day management, more than 30 minutes (99239)11 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%
• Arthritis55%
• Ischemic heart disease42%
• Anxiety36%
• Heart failure32%

Hospitals where Erika Leung works

Medicare's Facility Affiliation Data lists Erika Leung 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
• Ste Genevieve County Memorial HospitalSainte Genevieve, MO · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 261330

Practice locations

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

• 255 BodermanBloomsdale, MO 63627 (573) 483‑9492
• 753 Pointe Basse DrSte Genevieve, MO 63670 (573) 883‑2782
• 800 Sainte Genevieve DrSte Genevieve, MO 63670 (573) 883‑5715
• 930 Park DrSte Genevieve, MO 63670 (573) 883‑7424

Group practices

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

• Ste Genevieve County Memorial Hospital71 clinicians in the group

Specialties

• Internal Medicineprimary
• Geriatric Medicinealso

Find other Internal Medicine doctors in Missouri →

Other internal medicine doctors in Missouri

Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.

• Angela M. Ware, DO
• Srinivasan Raghavan, MD
• Rajendrakumar I. Patel, MD
• Douglas J. McKee, MD
• James Hollis, MD
• Mustafa V. Gecin, MD
• David A. Pfefferkorn, MD
• Zaki H. Chowdhury, MD

All internal medicine doctors in Missouri →

Other clinicians in Ste Genevieve County Memorial Hospital

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

• Kelly R. Grein
• Zaki H. Chowdhury, MD
• Sarah M. Bohnert, MD
• Regine E. Politte, NP
• Dan H. Frissell Jr., MD
• Abigail Fischer

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