Quick answers
- Where does Mehtab Grewal see patients?
- Medicare's clinician data lists 2 practice locations, including Wilmington, DE and Newark, DE. Call before your visit to confirm the address.
- What is Mehtab Grewal's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Mehtab Grewal accept Medicare assignment?
- Medicare's clinician data says Mehtab Grewal may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Mehtab Grewal's NPI number?
- 1790473387. 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 Mehtab Grewal is enrolled with Medicare (CMS data updated 2026-10-02).
- 4000 Nexus DrWilmington, DE 19803
- 4755 Ogletown Stanton RdNewark, DE 19718
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Wilmington
Clinicians with the same Medicare primary specialty in Wilmington, DE — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1790473387 |
| 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