Quick answers
- Where does Marcy E. Haley see patients?
- Medicare's clinician data lists 1 practice location in Saint Peters, MO. Call before your visit to confirm the address.
- What is Marcy E. Haley's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Marcy E. Haley accept Medicare assignment?
- Yes. Medicare's clinician data says Marcy E. Haley 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 Marcy E. Haley?
- (636) 936-8777, as listed in official Medicare / NPI Registry data.
- What is Marcy E. Haley's NPI number?
- 1912274341. 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 Marcy E. Haley is enrolled with Medicare (CMS data updated 2026-10-02).
- 209 1st Executive Ave, Wuca Women'S Care SpecialistsSaint Peters, MO 63376 (636) 936‑8777
Group practices
Medicare enrollment lists Marcy E. Haley as a member of this group (CMS data updated 2026-10-02).
- Washington University3,029 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Saint Peters
Clinicians with the same Medicare primary specialty in Saint Peters, MO — not a recommendation.
Clinician information
| Graduation year | 2011 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912274341 |
| 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