Quick answers
- Where does Leslie A. Fields see patients?
- Medicare's clinician data lists 6 practice locations, including Saint Louis, MO, Liberty, MO and Chesterfield, MO. Call before your visit to confirm the address.
- What is Leslie A. Fields's specialty?
- Medicare lists Hospitalist as the primary specialty, and also Internal Medicine and Pediatric Medicine.
- Does Leslie A. Fields accept Medicare assignment?
- Yes. Medicare's clinician data says Leslie A. Fields accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Leslie A. Fields?
- (833) 696-3349, as listed in official Medicare / NPI Registry data.
- What is Leslie A. Fields's NPI number?
- 1821294489. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Leslie A. Fields is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1000 Des Peres Rd, Suite 220Saint Louis, MO 63131 (833) 696‑3349
- 1520 N Church Rd D, Medix InfusionLiberty, MO 64068 (972) 661‑2273
- 1585 Woodlake DrChesterfield, MO 63017 (833) 696‑3349
- 1980 SE Blue Pkwy, 2302 Medix InfusionLees Summit, MO 64063 (972) 661‑2273
- 2083 N Webb RdWichita, KS 67206 (833) 696‑3349
Group practices
Medicare enrollment lists Leslie A. Fields as a member of these groups (CMS data updated 2026-10-02).
- Attigo Infusion Missouri LLC3 clinicians in the group
- Attigo Infusion PA2 clinicians in the group
Specialties
- Hospitalistprimary
- Internal Medicinealso
- Pediatric Medicinealso
Other hospitalists in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Saint Louis University School Of Medicine |
| Graduation year | 2006 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821294489 |
| 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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