Dilraj S. Grewal, MD
NPI 1437460656ActiveIndividual· Ophthalmology· Chicago, IL
Ophthalmology (MD) with Duke Health Integrated Practice, Inc, practicing in Chicago, Illinois. In 2024 Medicare paid $1,096,939 for 1,073 patients, and Part D covered 1,696 of their prescriptions, 65% of them generic. Astellas Pharma Global Development was the largest of 6 companies reporting payments in 2025, $44,101 in all, mostly consulting fees. Lists Duke University Hospital as a hospital affiliation.
Overview
| NPI | 1437460656 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 23, 2010 |
| Last updated in NPPES | Jan 10, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 125-058261 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,073 |
|---|---|
| Services billed | 18,962 across 53 procedure codes |
| Paid by Medicare | $1,096,939 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,696 · 3,201 30-day fills |
|---|---|
| Patients | 444 |
| Total drug cost | $82,581 |
| Generic share | 65% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Ophthalmology |
Medical group
- Duke Health Integrated Practice, IncDurham, NC · 3,185 clinicians
Hospital affiliation
- Duke University HospitalDurham, NC
Industry payments (Open Payments)
- 2025$44,101 · 23 payments from 6 companies
- 2024$49,066 · 43 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma Global Development | $26,380 | 9 |
| Regeneron Pharmaceuticals, Inc. | $8,840 | 5 |
| Bausch & Lomb Americas Inc. | $4,500 | 1 |
| Apellis Pharmaceuticals, Inc. | $3,969 | 3 |
| Carl Zeiss Meditec USA, Inc. | $373.53 | 4 |
What the 2025 payments were for
- Consulting Fee$41,524 · 13 payments
- Travel and Lodging$1,980 · 3 payments
- Food and Beverage$596.38 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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