Quick answers
- Does Michelle C. Santiago accept Medicare assignment?
- Yes. Medicare's clinician data says Michelle C. Santiago 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 Michelle C. Santiago see?
- In 2024, CMS data shows 31 Original Medicare patients and 36 services for Michelle C. Santiago. This counts Original Medicare only and measures volume, not quality.
- What is Michelle C. Santiago's NPI number?
- 1205022464. 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 Michelle C. Santiago, 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 | 31 |
|---|---|
| Services billed to Medicare | 36 |
| Different services or procedures | 17 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
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 cholesterol75%
- High blood pressure71%
- Arthritis68%
- Chronic kidney disease42%
Hospitals where Michelle C. Santiago works
Medicare's Facility Affiliation Data lists Michelle C. Santiago 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.
- SSM Health Depaul Hospital St LouisBridgeton, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260104
Practice locations
Addresses where Michelle C. Santiago is enrolled with Medicare (CMS data updated October 2, 2026).
- 1015 Bowles AveFenton, MO 63026 (636) 496‑2000
- 1130 Town and Country Commons DrTown And Country, MO 63017 (636) 256‑0320
- 12303 De Paul DrBridgeton, MO 63044 (314) 344‑6000
- 300 1st Capitol DrSaint Charles, MO 63301 (636) 947‑5000
Group practices
Medicare enrollment lists Michelle C. Santiago as a member of these groups (CMS data updated October 2, 2026).
- Metro-West Anesthesia Group Inc205 clinicians in the group
- Mid-West Anesthesia Partners LLC52 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Fenton
Clinicians with the same Medicare primary specialty in Fenton, MO — not a recommendation.
Other clinicians in Metro-West Anesthesia Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205022464 |
| 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