Quick answers
- Which hospitals does Jessie Grewal work at?
- Medicare's official clinician data lists Jessie Grewal at 5 hospitals: Mercy Hospital Fort Smith, Mercy Hospital Joplin, Mercy Hospital Northwest Arkansas, Mercy Hospital Springfield and Mercy Hospital St Louis. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jessie Grewal see patients?
- Medicare's clinician data lists 1 practice location in Chesterfield, MO. Call before your visit to confirm the address.
- What is Jessie Grewal's specialty?
- Medicare lists Neurology as the primary specialty.
- Does Jessie Grewal accept Medicare assignment?
- Yes. Medicare's clinician data says Jessie Grewal 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 Jessie Grewal?
- (636) 237-4200, as listed in official Medicare / NPI Registry data.
- What is Jessie Grewal's NPI number?
- 1902198583. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jessie Grewal works
Medicare's Facility Affiliation Data lists Jessie Grewal at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital Fort SmithFort Smith, AR · Acute Care Hospital · CCN 040062
- Mercy Hospital JoplinJoplin, MO · Acute Care Hospital · CCN 260001
- Mercy Hospital Northwest ArkansasRogers, AR · Acute Care Hospital · CCN 040010
- Mercy Hospital SpringfieldSpringfield, MO · Acute Care Hospital · CCN 260065
- Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · CCN 260020
Practice locations
Addresses where Jessie Grewal is enrolled with Medicare (CMS data updated 2026-10-02).
- 15740 S Outer 40 RdChesterfield, MO 63017 (636) 237‑4200
Group practices
Medicare enrollment lists Jessie Grewal as a member of this group (CMS data updated 2026-10-02).
- Mercy Aco Clinical Services Inc170 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Chesterfield
Clinicians with the same Medicare primary specialty in Chesterfield, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 2011 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1902198583 |
| 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