Dr. Roopinder K. Grewal, MD
- Medicare services, 2024
- 1,474
- Medicare patients, 2024
- 400
- Part D claims, 2024
- 772
- MIPS score, 2024
- 99
- Industry payments
- $1,356
- Practice address
- 49 Veronica Ave, Somerset, NJ 08873
- Practice phone
- Call (732) 565-1500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Roopinder K. Grewal, MD
Somerset, New Jersey
Find Dr. Grewal's professional email, personal email and mobile number
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Dr. Roopinder K. Grewal is an ophthalmologist in Somerset, New Jersey
Dr. Grewal practices at Roopinder K. Grewal, MD in Somerset, New Jersey.
Dr. Grewal's NPI, 1740327527, was assigned on January 31, 2007. Dr. Grewal graduated from Northwestern University Feinberg Medical School in 1990. Dr. Grewal holds New Jersey license MA71069.
- NPI
- 1740327527NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668436601
- NPI enumeration date
- January 31, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (732) 565-1500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Roopinder K. Grewal practices at Roopinder K. Grewal, MD in Somerset, New Jersey
Dr. Grewal's primary practice is Roopinder K. Grewal, MD, at 49 Veronica Ave, Somerset, NJ 08873 in Somerset County. The practice phone is (732) 565-1500.
- Roopinder K. Grewal, MD49 Veronica Ave, Somerset, NJ 08873 · Somerset CountyPhone(732) 565-1500
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Roopinder K. Grewal is affiliated with 3 sites of care and 1 medical group
Dr. Grewal's primary practice is Roopinder K. Grewal, MD in Somerset, New Jersey. Dmand AI also links Dr. Grewal to 1 physician office, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Roopinder K. Grewal's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grewal practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Roopinder K. Grewal, MD | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Roopinder K. Grewal is one of 654 ophthalmologists in New Jersey
Ophthalmology is Dr. Grewal's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Grewal is licensed in New Jersey.
Specialties and state licenses
- Ophthalmology, New JerseyPrimary
Ophthalmologists near Dr. Grewal
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Roopinder K. Grewal billed Medicare for 1,474 services in 2024
CMS data shows 1,474 Medicare services from Dr. Grewal across 8 procedure codes in 2024, for 400 Medicare patients. Medicare paid $90,192 for them. Every service was in an office.
Dr. Grewal's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,1572024: 1,44825%
- Imaging
- 2023: 292024: 2610%
- Office and hospital visits
- 2023: 152024: 0100%
Dr. Grewal compared with the New Jersey median for ophthalmologists, 2024
- Dr. Grewal
- New Jersey median
- Medicare services
- 1,474vs 1,84620% below
- Medicare patients
- 400vs 61835% below
- Part D claims
- 697vs 696Close to median
Medians across 677 ophthalmologists in New Jersey with Dmand AI profiles that report each measure.
Dr. Grewal's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grewal and other ophthalmologists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Roopinder K. Grewal treated 400 Medicare patients in 2024, average age 77
CMS counts 400 Medicare patients who saw Dr. Grewal in 2024. The largest group is 75 to 84, with 181 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 3% are also on Medicaid. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Grewal's median patient age at 76, with 60% women.
Dr. Grewal's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Grewal's Medicare patients by sex, 2024
- Women23759%
- Men16341%
Chronic conditions among Dr. Grewal's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis44%
- Diabetes36%
- Ischemic heart disease28%
- Chronic kidney disease18%
- Atrial fibrillation17%
- Osteoporosis16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grewal's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women60%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Roopinder K. Grewal wrote 772 Medicare Part D claims in 2024
In 2024, Dr. Grewal wrote 772 Medicare Part D claims for 156 patients. 50% of them were for generic drugs. CMS names the drug for 697 of them, across 20 drugs with 11 or more claims each, at $213,661 in total drug cost. In 2023, CMS named 717 claims across 19 drugs.
Dr. Grewal's Part D claims by kind of drug, 2024
- Generic383 claims50%
- Brand-name389 claims50%
Dr. Grewal's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7172024: 6973%
Drugs named by CMS: 20 in 2024, 19 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Roopinder K. Grewal scored 99 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Dr. Grewal for performance year 2024, reported as part of a group. Dr. Grewal accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 19 procedures of cataract surgery by Dr. Grewal, more than 43% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Grewal's MIPS scores, performance year 2024
- 99of 100Final score
- 98.3of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Grewal ranks in Medicare procedure volume
- Cataract surgery
- 43rd percentile19 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Roopinder K. Grewal received $1,356 in industry payments from 2016 to 2025
CMS Open Payments shows 23 general payments to Dr. Grewal from 11 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Glaukos Corporation paid the most, $534.
General payments to Dr. Grewal by program year, 2016 to 2025
General payments to Dr. Grewal by kind, 2016 to 2025
- Food and beverage$1,33799%
- Gifts$191%
Companies that paid Dr. Grewal the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Roopinder K. Grewal graduated from Northwestern University Feinberg Medical School
Dr. Grewal graduated from Northwestern University Feinberg Medical School in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Roopinder K. Grewal's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Roopinder K. Grewal
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Roopinder K. Grewal's NPI number?
Dr. Roopinder K. Grewal's NPI number is 1740327527. It was assigned on January 31, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Roopinder K. Grewal?
Dr. Roopinder K. Grewal is an ophthalmologist in Somerset, New Jersey. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Roopinder K. Grewal practice?
Dr. Grewal practices at 49 Veronica Ave, Somerset, NJ 08873. Dr. Grewal's primary practice is Roopinder K. Grewal, MD in Somerset, New Jersey. Dmand AI also links Dr. Grewal to 1 physician office, 1 group practice or clinic and 1 medical group.
What is Dr. Roopinder K. Grewal's office phone number?
The practice phone on file for Dr. Grewal is (732) 565-1500.
What is Dr. Roopinder K. Grewal's medical license number?
Dr. Grewal holds New Jersey license MA71069.
Does Dr. Roopinder K. Grewal accept Medicare?
Yes. CMS data shows Dr. Grewal billed Medicare for 1,474 services in 2024, and Dr. Grewal accepts Medicare assignment.
What is Dr. Roopinder K. Grewal's MIPS score?
Dr. Grewal's MIPS final score for performance year 2024 is 99 out of 100, reported as part of a group.
How many Medicare patients does Dr. Roopinder K. Grewal see?
CMS counts 400 Medicare patients who saw Dr. Grewal in 2024, with an average age of 77.
What services does Dr. Roopinder K. Grewal bill to Medicare?
In 2024, Dr. Grewal's most billed Medicare services were eye exam or test (92012), eye exam or test (92014) and eye exam or test (92250).
Where did Dr. Roopinder K. Grewal go to medical school?
Dr. Grewal graduated from Northwestern University Feinberg Medical School in 1990.
Show 3 more questionsShow fewer questions
What drugs does Dr. Roopinder K. Grewal prescribe most?
In 2024 Medicare Part D data, Dr. Grewal's most prescribed drugs by claims were Latanoprost, Brimonidine Tartrate and Dorzolamide-Timolol.
Has Dr. Roopinder K. Grewal received payments from drug or device companies?
CMS Open Payments shows $1,356 in general payments to Dr. Grewal from 11 companies from 2016 to 2025. The largest total came from Glaukos Corporation.
How long has Dr. Roopinder K. Grewal been practicing?
Dr. Grewal graduated from medical school in 1990, 36 years ago.
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