Amit Grewal, MD
NPI 1164124814 · Geriatric Medicine (Internal Medicine) Physician · Chicago, IL
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Amit Grewal, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Chicago, IL (NPI 1164124814).
Provider details
- NPI number
- 1164124814
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036.179109 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 2880 N Tenaya Way Fl 2Las Vegas, NV 89128-0618Phone: (702) 962-9540
Registry dates
- Enumerated
- 2023-03-20
- Last updated
- 2026-05-17
- Certified
- 2026-05-17
Frequently asked questions
- What is Amit Grewal's NPI number?
- Amit Grewal's National Provider Identifier (NPI) is 1164124814, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Amit Grewal's specialty?
- Amit Grewal is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Amit Grewal located?
- Amit Grewal's practice location on file with NPPES is 5841 S Maryland Ave, Chicago, IL 60637-1443.
- What is Amit Grewal's phone number?
- The practice phone number listed in the NPPES registry for Amit Grewal is (773) 702-8840.
- Does Amit Grewal accept Medicare?
- Amit Grewal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Amit Grewal's NPI active?
- Yes — Amit Grewal's NPI (1164124814) is active in the NPPES registry as of the last update on 2026-05-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.