Doctor profile · Federal record

Dr. Dilraj Grewal, MD

Ophthalmology Physician (CMS: Ophthalmology) · Chicago, IL

  • NPI 1437460656
  • Accepts Medicare
  • 20 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
645 N Michigan Ave Ste 440, Northwestern Memorial Hospital
Chicago, IL 606115899
(312) 503-7975

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
January 10, 2014
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Illinois #125-058261

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437460656. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
20,451
Distinct HCPCS
10
Medicare allowed
$1,378,354
HCPCS Description Services Patients Avg allowed
J2777 Injection, faricimab-svoa, 0.1 mg 14,700 43 $37
92134 Imaging of retina 1,910 939 $38
92014 Established patient complete exam of visual system 1,601 891 $119
67028 Injection of drug into eye 535 152 $119
J0178 Injection, aflibercept, 1 mg 436 57 $870
92201 Extended exam of the back part of the eye with retinal drawing 284 271 $23
J7312 Injection, dexamethasone, intravitreal implant, 0.1 mg 231 17 $200
J9035 Injection, bevacizumab, 10 mg 148 54 $71
67028 Injection of drug into eye 139 42 $97
99214 Established patient office or other outpatient visit, 30-39 minutes 121 115 $117

In context: peer comparison

Among 73 peers in Chicago Ophthalmology Physician, average services per provider: 211. This provider delivers 97× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$42,288
Transactions
41
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Astellas Pharma Global Development 7 $29,150.00
Dutch Ophthalmic, USA 2 $5,832.58
F. Hoffmann-la Roche Ag 2 $2,128.17
Alimera Sciences, INC. 1 $1,562.50
Dutch Ophthalmic Research Center (International) B.V. 16 $1,231.22
EyePoint Pharmaceuticals US, INC. 2 $942.53
Carl Zeiss Meditec, INC. 1 $810.00
Bausch & Lomb Americas INC. 5 $258.82
Carl Zeiss Meditec USA, INC. 2 $241.27
Regeneron Pharmaceuticals, INC. 2 $70.01
Alcon Vision LLC 1 $60.93

By nature of payment

Consulting Fee
$32,985
Travel and Lodging
$6,814
Honoraria
$1,563
Food and Beverage
$920
Education
$6

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,395
Patients
552
Total drug cost
$67,531
Drug Type Claims Patients Total cost
Prednisolone Acetate Generic 328 170 $18,293
Latanoprost Generic 248 76 $3,959
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 215 91 $5,688
Brimonidine Tartrate Generic 169 57 $5,408
Timolol Maleate Generic 129 43 $2,310
Difluprednate Generic 43 17 $7,824
Atropine Sulfate Generic 40 15 $1,830
Prednisone Generic 38 18 $390
Valacyclovir (Valacyclovir Hcl) Brand 33 16 $2,237
Erythromycin (Erythromycin Base) Brand 31 25 $316

Frequently asked questions

Auto-generated from federal data
What is Dr. Dilraj Grewal's medical specialty?
Dr. Dilraj Grewal practices Ophthalmology Physician in Chicago, IL.
Where does Dr. Dilraj Grewal practice?
Dr. Dilraj Grewal practices at 645 N Michigan Ave Ste 440, Chicago, IL 606115899. Office phone: 3125037975.
What is Dr. Dilraj Grewal's NPI?
Dr. Dilraj Grewal's National Provider Identifier (NPI) is 1437460656, issued by NPPES.
Does Dr. Dilraj Grewal accept Medicare assignment?
Yes. Dr. Dilraj Grewal accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dilraj Grewal commonly perform?
Top Medicare-reported procedures in 2023: Injection, faricimab-svoa, 0.1 mg (HCPCS J2777); Imaging of retina (HCPCS 92134); Established patient complete exam of visual system (HCPCS 92014). Source: CMS Medicare Physician & Other Practitioners file.