Dr. Harjinder S. Grewal, MD
- Medicare services, 2024
- 6,869
- Medicare patients, 2024
- 2,722
- Part D claims, 2024
- 1,544
- Hospital affiliations
- 1
- Industry payments
- $2,063
- Practice address
- 640 S State Street, Dover, DE 19901
- Practice phone
- Call (302) 744-7001
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Grewal's professional email, personal email and mobile number
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Dr. Harjinder S. Grewal is a cardiologist in Dover, Delaware
Dr. Grewal practices at Bayhealth Hospital, Kent Campus in Dover, Delaware, part of Bayhealth Medical Center.
Dr. Grewal's NPI, 1699742585, was assigned on March 1, 2006. Dr. Grewal holds Delaware license C10004533.
- NPI
- 1699742585NPI Registry (opens in a new tab)
- NPI enumeration date
- March 1, 2006
- NPI status
- Active
- Practice phone
- (302) 744-7001
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 81
- Medical school graduation
- 1971
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Harjinder S. Grewal practices at Bayhealth Hospital, Kent Campus in Dover, Delaware
Dr. Grewal's primary practice is Bayhealth Hospital, Kent Campus, at 640 S State Street, Dover, DE 19901 in Kent County. The practice phone is (302) 744-7001.
- Bayhealth Hospital, Kent Campus640 S State Street, Dover, DE 19901 · Kent CountyPhone(302) 744-7001
Source: Dmand AI Affiliation Data
Dr. Harjinder S. Grewal is affiliated with 2 sites of care and 1 medical group
Dr. Grewal's primary practice is Bayhealth Hospital, Kent Campus in Dover, Delaware, part of Bayhealth Medical Center. The medical group on file is Bayhealth. Dmand AI also links Dr. Grewal to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Harjinder S. 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 |
|---|---|
| Bayhealth Hospital, Kent Campus | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Harjinder S. Grewal is one of 106 cardiologists in Delaware
Cardiovascular disease is Dr. Grewal's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Grewal is licensed in Delaware.
Specialties and state licenses
- Cardiovascular disease, DelawarePrimary
Cardiologists near Dr. Grewal
Counts of cardiologists 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. Harjinder S. Grewal billed Medicare for 6,869 services in 2024
CMS data shows 6,869 Medicare services from Dr. Grewal across 24 procedure codes in 2024, for 2,722 Medicare patients. Medicare paid $255,959 for them.
Dr. Grewal's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 4,2892024: 4,4373%
- Office and hospital visits
- 2023: 2,1232024: 1,9926%
- Imaging
- 2023: 2142024: 23811%
- Lab and pathology
- 2023: 1282024: 20258%
Where Dr. Grewal's Medicare services took place, 2024
- In an office3,41350%
- In a facility3,45650%
Dr. Grewal compared with the Delaware median for cardiologists, 2024
- Dr. Grewal
- Delaware median
- Medicare services
- 6,869vs 2,7922.5 times
- Medicare patients
- 2,722vs 1,47884% above
- Part D claims
- 1,346vs 2,33042% below
Medians across 103 cardiologists in Delaware 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Harjinder S. Grewal treated 2,722 Medicare patients in 2024, average age 76
CMS counts 2,722 Medicare patients who saw Dr. Grewal in 2024. The largest group is 75 to 84, with 1,092 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.67, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Grewal's median patient age at 75, with 41% women.
Dr. Grewal's Medicare patients by age, 2024
Dr. Grewal's Medicare patients by sex, 2024
- Women1,40552%
- Men1,31748%
Chronic conditions among Dr. Grewal's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Ischemic heart disease48%
- Diabetes43%
- Chronic kidney disease42%
- Atrial fibrillation34%
- Heart failure33%
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 75
Patient panel by sex, all payers
- Women41%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Harjinder S. Grewal wrote 1,544 Medicare Part D claims in 2024
In 2024, Dr. Grewal wrote 1,544 Medicare Part D claims for 447 patients. 86% of them were for generic drugs. CMS names the drug for 1,346 of them, across 30 drugs with 11 or more claims each, at $214,018 in total drug cost. In 2023, CMS named 2,635 claims across 40 drugs.
Dr. Grewal's Part D claims by kind of drug, 2024
- Generic1,322 claims86%
- Brand-name222 claims14%
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: 2,6352024: 1,34649%
Drugs named by CMS: 30 in 2024, 40 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
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Dr. Harjinder S. Grewal received $2,063 in industry payments from 2016 to 2025
CMS Open Payments shows 148 general payments to Dr. Grewal from 22 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Novartis Pharmaceuticals Corporation paid the most, $283.
General payments to Dr. Grewal by program year, 2016 to 2025
General payments to Dr. Grewal by kind, 2016 to 2025
- Food and beverage$2,02198%
- Debt forgiveness$271%
- Education$151%
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
Sources for Dr. Harjinder S. 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Harjinder S. 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. Harjinder S. Grewal's NPI number?
Dr. Harjinder S. Grewal's NPI number is 1699742585. It was assigned on March 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Harjinder S. Grewal?
Dr. Harjinder S. Grewal is a cardiologist in Dover, Delaware. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Harjinder S. Grewal practice?
Dr. Grewal practices at 640 S State Street, Dover, DE 19901. Dr. Grewal's primary practice is Bayhealth Hospital, Kent Campus in Dover, Delaware, part of Bayhealth Medical Center. Dmand AI also links Dr. Grewal to 1 group practice or clinic.
What is Dr. Harjinder S. Grewal's office phone number?
The practice phone on file for Dr. Grewal is (302) 744-7001.
What is Dr. Harjinder S. Grewal's medical license number?
Dr. Grewal holds Delaware license C10004533.
Which hospitals is Dr. Harjinder S. Grewal affiliated with?
Dr. Grewal practices at Bayhealth Hospital, Kent Campus in Dover, Delaware.
What medical group is Dr. Harjinder S. Grewal part of?
Dr. Grewal is linked to Bayhealth.
Does Dr. Harjinder S. Grewal accept Medicare?
Yes. CMS data shows Dr. Grewal billed Medicare for 6,869 services in 2024.
How many Medicare patients does Dr. Harjinder S. Grewal see?
CMS counts 2,722 Medicare patients who saw Dr. Grewal in 2024, with an average age of 76.
What services does Dr. Harjinder S. Grewal bill to Medicare?
In 2024, Dr. Grewal's most billed Medicare services were heart test or procedure (93000), heart test or procedure (93010) and office visit, established patient (99214).
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What drugs does Dr. Harjinder S. Grewal prescribe most?
In 2024 Medicare Part D data, Dr. Grewal's most prescribed drugs by claims were Rosuvastatin Calcium, Metoprolol Succinate and Atorvastatin Calcium.
Has Dr. Harjinder S. Grewal received payments from drug or device companies?
CMS Open Payments shows $2,063 in general payments to Dr. Grewal from 22 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Harjinder S. Grewal been practicing?
Dr. Grewal graduated from medical school in 1971, 55 years ago.
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