Quick answers
- Does Stacie J. Chaffin accept Medicare assignment?
- Yes. Medicare's clinician data says Stacie J. Chaffin 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 Stacie J. Chaffin's NPI number?
- 1588322069. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stacie J. Chaffin works
Medicare's Facility Affiliation Data lists Stacie J. Chaffin 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 St LouisSaint Louis, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260020
Practice locations
Addresses where Stacie J. Chaffin is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 Des Peres Rd, Suite 300Saint Louis, MO 63131 (314) 292‑7080
- 621 S New Ballas Rd, Suite 4017bSaint Louis, MO 63141 (314) 872‑9192
Group practices
Medicare enrollment lists Stacie J. Chaffin as a member of this group (CMS data updated October 2, 2026).
- Mercy Clinic East Communities571 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Other clinicians in Mercy Clinic East Communities
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| School | University Of Cincinnati College Of Medicine |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588322069 |
| 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