Dilraj Grewal, MD
Ophthalmology Physician · Chicago, IL
Dilraj Grewal, MD is an ophthalmology physician with a practice address in Chicago, Illinois, and NPI 1437460656, issued on Jun 23, 2010. Check the license (Illinois 125-058261, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Dilraj Grewal
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 125-058261 IL
Self-reported in NPPES; status is on the state search - Practice location
- 645 N Michigan Ave Ste 440, Chicago, IL 60611
- Phone
- (312) 503-7975
- Enumerated
- Jun 23, 2010
- Entity
- Type 1 · individual
Also registered at 645 N Michigan Ave Ste 440
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tony Chen, MDOphthalmology Physician1841720729
- Allen Ganjei, MDOphthalmology Physician1689324782
- Hong-Gam Le, M.D.Ophthalmology Physician1831552272
- Jeffrey Liu, MDOphthalmology Physician1851479422
- Camille Palma, M.D.Internal Medicine Physician1154656577
Verify Dilraj Grewal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 125-058261Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
14% more Medicare Part D claims than the average ophthalmology physician in 2024
1,696 Medicare Part D claims for 444 beneficiaries, against an average of 1,490 among the 16,109 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.
Most prescribed
- Prednisolone Acetate359 claims
- Latanoprost327 claims
- Dorzolamide-Timolol278 claims
- Brimonidine Tartrate162 claims
- Timolol Maleate95 claims
- Atropine Sulfate56 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $42,288.03
41 payments, mostly food and beverage; the largest payer was Astellas Pharma Global Development. The 12,922 providers of this specialty with any payment received $4,937.17 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Duke Health Integrated Practice IncDurham, NC
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Ophthalmology Physician providers in Illinois
There are 891 ophthalmology physician records in Illinois.
Other ophthalmology physician records in Illinois
- Walid Abdallah, MDRockford, IL1871912717
- Robert Abishek, MDChicago, IL1760314678
- Ashley Abraham, M.D.Springfield, IL1285900423
- Evelyn Ackermann, MDElgin, IL1053308676
- Kathleen Ackman Blake, MDHinsdale, IL1497734966
- Kaela Acuff, MDChicago, IL1609678549
- Nolan AdamsMaywood, IL1124581780
- Roger Adler, MDPekin, IL1063465110
- Armin Afshar, M.D.Chicago, IL1063742161
- Afzal Ahmad, M.D.Calumet City, IL1629061684
Common questions
What is Dilraj Grewal, MD's NPI number?
Dilraj Grewal, MD's National Provider Identifier (NPI) is 1437460656, issued on Jun 23, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Dilraj Grewal, MD located?
The NPPES record lists a practice address at 645 N Michigan Ave Ste 440, Chicago, IL, 60611. Phone: (312) 503-7975. Providers update this record themselves, so call before visiting.
How can I verify Dilraj Grewal, MD's license?
NPPES lists Illinois license number 125-058261, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dilraj Grewal, MD prescribe under Medicare Part D?
In 2024, Dilraj Grewal, MD had 1,696 Medicare Part D claims for 444 beneficiaries; the average among ophthalmology physician prescribers was 1,490. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.