Quick answers
- Which hospitals does Sarah McGrew work at?
- Medicare's official clinician data lists Sarah McGrew at 2 hospitals: Mercy Hospital South and Mercy Hospital St Louis. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sarah McGrew see patients?
- Medicare's clinician data lists 1 practice location in Ballwin, MO. Call before your visit to confirm the address.
- What is Sarah McGrew's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Sarah McGrew accept Medicare assignment?
- Yes. Medicare's clinician data says Sarah McGrew 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.
- Does Sarah McGrew offer telehealth?
- Medicare's clinician data says Sarah McGrew offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Sarah McGrew?
- (636) 256-5350, as listed in official Medicare / NPI Registry data.
- What is Sarah McGrew's NPI number?
- 1902497837. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sarah McGrew works
Medicare's Facility Affiliation Data lists Sarah McGrew at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital SouthSaint Louis, MO · Acute Care Hospital · CCN 260077
- Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · CCN 260020
Practice locations
Addresses where Sarah McGrew is enrolled with Medicare (CMS data updated 2026-10-02).
- 15945 Clayton Rd, Suite 320Ballwin, MO 63011 (636) 256‑5350
Group practices
Medicare enrollment lists Sarah McGrew as a member of this group (CMS data updated 2026-10-02).
- Mercy Clinic East Communities571 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Ballwin
Clinicians with the same Medicare primary specialty in Ballwin, MO — not a recommendation.
Clinician information
| Graduation year | 2020 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1902497837 |
| 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 2026-10-02, retrieved 2026-10-29
- 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