DR. DILRAJ S GREWAL MD
NPI 1437460656
Ophthalmology in Chicago, IL

Q: What is Dilraj Grewal's NPI number?

The NPI number for Dilraj Grewal is 1437460656. It was assigned to this individual provider in the NPPES registry on June 23, 2010.

Q: What is Dilraj Grewal's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Q: When was this NPI record last updated?

The NPPES record for Dilraj Grewal was last updated on January 10, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 23, 2010PECOS EnrolledAccepts Medicare Assignment

645 N MICHIGAN AVE STE 440, NORTHWESTERN MEMORIAL HOSPITAL, CHICAGO, IL 60611(312) 503-7975 Get Directions Write a Review

NPPES record last updated: January 10, 2014. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Dilraj S Grewal Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DILRAJ S GREWAL MD (NPI 1437460656) is an individual ophthalmology provider in Chicago, Illinois, licensed in Illinois (125-058261) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with Duke University Hospital, and is a graduate of Other (2006).

NPPES Registry Identity

NPI1437460656

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameDR. DILRAJ S GREWALCredential: MD

Location Address645 N MICHIGAN AVE STE 440, NORTHWESTERN MEMORIAL HOSPITALChicago, IL 60611-5899

Mailing Address645 N Michigan Ave Ste 440, Northwestern Memorial HospitalChicago, IL 60611-5899 · (312) 503-7975

Phone(312) 503-7975

Sole ProprietorYes

Medical School CMSOtherGraduated 2006

Enumeration DateJune 23, 2010

Last NPPES UpdateJanuary 10, 2014

✔ NPI 1437460656 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in IL · 125-058261

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

645 N MICHIGAN AVE STE 440, Chicago, IL 60611

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Dilraj S Grewal Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6709001456

PECOS Enrollment IDI20140714000675

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 19

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, faricimab-svoa, 0.1 mg J2777

Faricimab-svoa is a medication given through an injection into the eye to treat certain eye conditions. The 0.1 mg dosage helps control disease progression, improving vision and eye health. The procedure is done by a healthcare professional.

12,450 services39 patients

Imaging of retina 92134

Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.

1,916 services993 patients

Established patient complete exam of visual system 92014

An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.

1,688 services951 patients

Injection of drug into eye 67028

An injection into the eye is a procedure where a medication is delivered directly into your eye to treat various conditions. A local anesthetic is applied to numb the eye, ensuring minimal discomfort. The drug helps manage diseases like macular degeneration or diabetic retinopathy.

504 services160 patients

Injection, dexamethasone, intravitreal implant, 0.1 mg J7312

This procedure involves placing a tiny implant into your eye. This implant slowly releases a medication called dexamethasone, which helps to reduce inflammation and swelling in the eye, improving vision and comfort.

385 services25 patients

Injection, aflibercept, 1 mg J0178

Aflibercept injection is a treatment for certain eye conditions that affect vision. It works by blocking abnormal blood vessel growth and leakage in the eye, which can cause vision loss. The medication is administered directly into the eye by a healthcare professional.

360 services49 patients

Extended exam of the back part of the eye with retinal drawing 92201

This procedure involves a detailed examination of the back part of your eye, including the retina. It helps identify any abnormalities or issues. A retinal drawing is made to record findings. It's non-invasive and crucial for maintaining eye health.

188 services183 patients

Injection of drug into eye 67028

132 services54 patients

Injection, bevacizumab, 10 mg J9035

Bevacizumab is a medication given through an injection. It's designed to prevent the growth of new blood vessels that cancer cells need to grow and spread. The 10 mg dose refers to the amount of the drug in the injection.

120 services47 patients

Exam of retinal blood vessels using a special camera after injection of a dye 92235

This procedure, known as a fluorescein angiography, involves taking images of the back of your eye. A dye is injected into your arm that travels to your eye, highlighting the blood vessels in your retina. This helps identify any abnormalities.

91 services66 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

86 services86 patients

Photography of the retina 92250

Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.

83 services68 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

63 services58 patients

2d ultrasound scan of eye tissue and structures 76512

A 2D ultrasound scan of eye tissue and structures is a non-invasive procedure that uses sound waves to create images of your eye. It helps doctors to examine your eye's internal structures, detect abnormalities, and plan for treatments if needed.

53 services35 patients

Exam of visual field with extended testing 92083

An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.

16 services16 patients

Removal of eye fluid (vitreous) between lens and retina 67036

This procedure, known as a vitrectomy, involves removing some or all of the vitreous humor, the clear gel-like substance in the eye. It's done to treat various eye conditions, like retinal detachment or macular hole. The aim is to improve or stabilize vision. It's performed under local or general anesthesia.

14 services13 patients

Removal of recurring cataract in lens capsule using a laser 66821

This procedure, known as YAG laser capsulotomy, treats cloudiness in the lens capsule following cataract surgery. A laser is used to create a small hole in the cloudy capsule, allowing light to pass through and restore clear vision. It's a quick, painless procedure.

13 services13 patients

Repair of detached retina with drainage and removal of eye fluid between lens and retina 67108

This procedure addresses a detached retina, a serious eye condition. It involves draining fluid from between the lens and retina, allowing the retina to reattach. Then, the eye fluid is removed to prevent future detachments. It's a crucial step for vision restoration.

12 services12 patients

Exam of blood vessels between the white part of eye and retina using a special camera after injection of a dye 92240

This procedure involves examining your eye's blood vessels. A special dye is injected into your body, which helps highlight these vessels in images captured by a unique camera. It provides valuable information about the health of your eyes, particularly the retina.

12 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Duke University Hospital

Acute Care Hospitals · Durham, NC

5/5 CMS rating

OwnershipProprietary

CMS Certification Number340030

Location2100 Erwin RdDurham, NC 27705 · Durham County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$138.86 typical visit price

range $60.08 – $183.39

Typical copayment $34.71 (range $15.02 – $45.84)

Most-billed visit code 99204

Established Patient

$74.80 typical visit price

range $18.97 – $148.12

Typical copayment $18.70 (range $4.74 – $37.03)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ALLEN Y GANJEI MD

Ophthalmology

645 N MICHIGAN AVE STE 440
CHICAGO, IL 60611

Cook County (312) 503-3649

DR. HONG-GAM LE M.D.

Ophthalmology

645 N MICHIGAN AVE STE 440
CHICAGO, IL 60611

Cook County (312) 908-8152

DR. TONY YUAN-TING CHEN MD

Ophthalmology

645 N MICHIGAN AVE STE 440
CHICAGO, IL 60611

Cook County (312) 503-3649

JEFFREY C. LIU MD

Ophthalmology

645 N MICHIGAN AVE STE 440
CHICAGO, IL 60611

Cook County (312) 503-3649

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Dilraj Grewal's NPI number?

The NPI number for Dilraj Grewal is 1437460656. It was assigned to this individual provider in the NPPES registry on June 23, 2010.

Where is Dilraj Grewal located?

Dilraj Grewal practices at 645 N Michigan Ave Ste 440 Northwestern Memorial Hospital, Chicago, IL 60611. The listed phone number is (312) 503-7975.

What is Dilraj Grewal's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Dilraj Grewal enrolled in Medicare?

Yes. Dilraj Grewal is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Dilraj Grewal accept?

Health plans from Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee and Blue Cross and Blue Shield of NC list Dilraj Grewal as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Dilraj Grewal affiliated with any hospitals?

According to CMS data, Dilraj Grewal is affiliated with Duke University Hospital.

When was this NPI record last updated?

The NPPES record for Dilraj Grewal was last updated on January 10, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.