Quick answers
- Does Leslie L. Sangster accept Medicare assignment?
- Yes. Medicare's clinician data says Leslie L. Sangster 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 Leslie L. Sangster see?
- In 2024, CMS data shows 13 Original Medicare patients and 13 services for Leslie L. Sangster. This counts Original Medicare only and measures volume, not quality.
- What is Leslie L. Sangster's NPI number?
- 1255458931. 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 Leslie L. Sangster, 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 | 13 |
|---|---|
| Services billed to Medicare | 13 |
| Different services or procedures | 5 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
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%
- Arthritis75%
Hospitals where Leslie L. Sangster works
Medicare's Facility Affiliation Data lists Leslie L. Sangster 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.
- St Lukes HospitalChesterfield, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260179
Practice locations
Addresses where Leslie L. Sangster is enrolled with Medicare (CMS data updated October 2, 2026).
- 15425 Manchester RdBallwin, MO 63011 (636) 220‑6969
- 15425 Manchester Rd, Suite 28Ballwin, MO 63011 (636) 220‑6969
- 232 S Woods Mill RdChesterfield, MO 63017 (314) 878‑2888
Group practices
Medicare enrollment lists Leslie L. Sangster as a member of these groups (CMS data updated October 2, 2026).
- Physical Therapy Spine and Sports Medicine LLC129 clinicians in the group
- Neurosurgery and Neurology LLC13 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Ballwin
Clinicians with the same Medicare primary specialty in Ballwin, MO — not a recommendation.
Other clinicians in Physical Therapy Spine and Sports Medicine LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| School | Saint Louis University School Of Medicine |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1255458931 |
| 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