Quick answers
- Does Kirstie Holtermann accept Medicare assignment?
- Yes. Medicare's clinician data says Kirstie Holtermann 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.
- What is Kirstie Holtermann's NPI number?
- 1891371886. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Kirstie Holtermann works
Medicare's Facility Affiliation Data lists Kirstie Holtermann 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 WashingtonWashington, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260052
Practice locations
Addresses where Kirstie Holtermann is enrolled with Medicare (CMS data updated October 2, 2026).
- 615 S New Ballas RdSaint Louis, MO 63141 (314) 251‑4687
- 901 E 5th St, Deptartment of AnesthesiologyWashington, MO 63090 (636) 239‑4100
Group practices
Medicare enrollment lists Kirstie Holtermann as a member of this group (CMS data updated October 2, 2026).
- Western Anesthesiology Associates Inc256 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Other clinicians in Western Anesthesiology Associates Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Missouri, Columbia School Of Medicine |
| Graduation year | 2021 (5 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891371886 |
| 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
- 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