Physician Profile
Dilraj S. Grewal, MD
Unclaimed ProfileAbout Dr. Grewal
Based in Chicago, IL, Dilraj S. Grewal, MD is listed in the NPI registry under ophthalmology. According to Medicare claims data, Dilraj cared for 2,919 Medicare patients across 18,551 services. The services billed most often include injection, faricimab-svoa, 0.1 mg, imaging of retina, and established patient complete exam of visual system.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (312) 503-7975
- Email not available
Practice Locations
645 N MICHIGAN AVE STE 440 NORTHWESTERN MEMORIAL HOSPITAL
Chicago, IL 60611
Conditions Commonly Evaluated or Treated
Within Ophthalmology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Procedures & services
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
18,551 services · 2,919 patients · 21 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
504 | More often than most peers in Ophthalmology |
| Injection of drug into eye | Procedure | 67028 |
132 | More often than most peers in Ophthalmology |
| Removal of eye fluid (vitreous) between lens and retina | Procedure | 67036 |
14 | Less often than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
13 | Less often than most peers in Ophthalmology |
| Repair of detached retina with drainage and removal of eye fluid between lens and retina | Procedure | 67108 |
12 | Less often than most peers in Ophthalmology |
| 2d ultrasound scan of eye tissue and structures | Imaging | 76512 |
53 | More often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
1,916 | More than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
1,688 | More than most peers in Ophthalmology |
| Extended exam of the back part of the eye with retinal drawing | Treatment | 92201 |
188 | More often than most peers in Ophthalmology |
| Exam of retinal blood vessels using a special camera after injection of a dye | Treatment | 92235 |
91 | More often than most peers in Ophthalmology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other eye doctors at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other eye doctors in Chicago 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2006 at Other 7
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug into eye 8
Providers in IL who bill this service to Medicare most often.
Common questions
What is Dr. Grewal's specialty?
Dr. Grewal is an eye doctor in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where can I find Dr. Grewal?
Dr. Grewal is listed at 645 N Michigan Ave Ste 440 Northwestern Memorial Hospital, Chicago, IL 60611. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Grewal?
The number on file is (312) 503-7975. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Grewal's NPI number?
Dr. Grewal's National Provider Identifier is 1437460656. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Grewal's medical education?
Dr. Grewal attended Other, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Grewal been practicing?
Dr. Grewal has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Grewal known for?
According to Medicare billing data, Dr. Grewal performs procedures including injection of drug into eye, removal of eye fluid between lens and retina and removal of recurring cataract in lens capsule using a laser; reads or performs imaging such as 2d ultrasound scan of eye tissue and structures; provides treatments such as imaging of retina and established patient complete exam of visual system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Grewal confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Grewal. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.