Quick answers
- Does Sydney R. Leach accept Medicare assignment?
- Yes. Medicare's clinician data says Sydney R. Leach accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Sydney R. Leach see?
- In 2024, CMS data shows 236 Original Medicare patients and 361 services for Sydney R. Leach. This counts Original Medicare only and measures volume, not quality.
- What is Sydney R. Leach's NPI number?
- 1336191667. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Sydney R. Leach, 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.
| Original Medicare patients | 236 |
|---|---|
| Services billed to Medicare | 361 |
| Different services or procedures | 12 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)136 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)111 services
- Emergency department visit with moderate level of medical decision making (99284)68 services
- Critical care, first 30-74 minutes (99291)32 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 cholesterol74%
- Arthritis44%
- Ischemic heart disease39%
- Diabetes36%
- Atrial fibrillation35%
Hospitals where Sydney R. Leach works
Medicare's Facility Affiliation Data lists Sydney R. Leach 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.
- Genesis Health System dba Genesis MDL Center-IlliniSilvis, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140275
- MercyOne Centerville Medical CenterCenterville, IA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 161377
- MercyOne Des Moines Medical CenterDes Moines, IA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 160083
- MercyOne Genesis Dewitt Medical CenterDewitt, IA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 161313
- MercyOne Waterloo Medical CenterWaterloo, IA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 160067
Practice locations
Addresses where Sydney R. Leach is enrolled with Medicare (CMS data updated October 2, 2026).
- 1111 6th AveDes Moines, IA 50314 (515) 247‑3121
Group practices
Medicare enrollment lists Sydney R. Leach as a member of this group (CMS data updated October 2, 2026).
- Des Moines River Physicians LLC48 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Des Moines
Clinicians with the same Medicare primary specialty in Des Moines, IA — not a recommendation.
Other clinicians in Des Moines River Physicians LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Wisconsin School Of Medicine |
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1336191667 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians