Dr. Nishan George Rajaratnam, MD
- Medicare services, 2024
- 911
- Medicare patients, 2024
- 388
- Part D claims, 2024
- 19
- Publications
- 4
- MIPS score, 2024
- 19
- Practice address
- 350 Engle St, Englewood, NJ 07631
- Practice phone
- Call (201) 894-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Rajaratnam's professional email, personal email and mobile number
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Dr. Nishan George Rajaratnam is an infectious disease specialist in Englewood, New Jersey
Dr. Rajaratnam practices at Englewood Hospital in Englewood, New Jersey, part of RWJBarnabas Health.
Dr. Rajaratnam's NPI, 1972091171, was assigned on April 24, 2018. Dr. Rajaratnam holds New Jersey license 25MA11085600.
- NPI
- 1972091171NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719341072
- NPI enumeration date
- April 24, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (201) 894-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nishan George Rajaratnam practices at Englewood Hospital in Englewood, New Jersey
Dr. Rajaratnam's primary practice is Englewood Hospital, at 350 Engle St, Englewood, NJ 07631 in Bergen County. The practice phone is (201) 894-3000.
- Englewood Hospital350 Engle St, Englewood, NJ 07631 · Bergen CountyPhone(201) 894-3000
Source: Dmand AI Affiliation Data
Dr. Nishan George Rajaratnam is affiliated with 3 sites of care and 3 medical groups
Dr. Rajaratnam's primary practice is Englewood Hospital in Englewood, New Jersey, part of RWJBarnabas Health. Dr. Rajaratnam is also affiliated with Morristown Medical Center. The medical group on file is Medical Associates at Englewood. Dmand AI also links Dr. Rajaratnam to 2 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nishan George Rajaratnam's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rajaratnam practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Englewood Hospital | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across RWJBarnabas Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Nishan George Rajaratnam is one of 340 infectious disease specialists in New Jersey
Infectious disease is Dr. Rajaratnam's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Rajaratnam is licensed in New Jersey.
Specialties and state licenses
- Infectious disease, New JerseyPrimary
Infectious disease specialists near Dr. Rajaratnam
Counts of infectious disease specialists 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. Nishan George Rajaratnam billed Medicare for 911 services in 2024
CMS data shows 911 Medicare services from Dr. Rajaratnam across 3 procedure codes in 2024, for 388 Medicare patients. Medicare paid $77,620 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Rajaratnam's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3462024: 911163%
Dr. Rajaratnam compared with the New Jersey median for infectious disease specialists, 2024
- Dr. Rajaratnam
- New Jersey median
- Medicare services
- 911vs 958Close to median
- Medicare patients
- 388vs 382Close to median
Medians across 330 infectious disease specialists in New Jersey with Dmand AI profiles that report each measure.
Dr. Rajaratnam'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. Rajaratnam and other infectious disease specialists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nishan George Rajaratnam treated 388 Medicare patients in 2024, average age 79
CMS counts 388 Medicare patients who saw Dr. Rajaratnam in 2024. The largest group is 75 to 84, with 150 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 3.01, 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. Rajaratnam's median patient age at 68, with 48% women.
Dr. Rajaratnam's Medicare patients by age, 2024
Dr. Rajaratnam's Medicare patients by sex, 2024
- Women21054%
- Men17846%
Chronic conditions among Dr. Rajaratnam's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Mood disorders55%
- Ischemic heart disease52%
- Chronic kidney disease51%
- Atrial fibrillation47%
- Depression46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rajaratnam's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women48%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nishan George Rajaratnam wrote 19 Medicare Part D claims in 2024
In 2024, Dr. Rajaratnam wrote 19 Medicare Part D claims. 58% of them were for generic drugs.
Dr. Rajaratnam's Part D claims by kind of drug, 2024
- Generic11 claims58%
- Brand-name and other8 claims42%
Drug classes CMS tracks in Dr. Rajaratnam's Part D claims, 2024
- Antibiotics58%11 of 19 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Nishan George Rajaratnam scored 19 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 19 out of 100 for Dr. Rajaratnam for performance year 2024, reported individually. Dr. Rajaratnam accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Rajaratnam as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Rajaratnam's MIPS scores, performance year 2024
- 19of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 63of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Nishan George Rajaratnam has 4 publications on record
Dmand AI links 4 papers to Dr. Rajaratnam, published from 2021 to 2023. Dr. Rajaratnam's most frequent co-authors are Diana Gurevich Finkel, DO, Bijan Jamil Teja, MD and Simcha Weissman, DO.
Dr. Rajaratnam's most frequent co-authors
- Diana Gurevich Finkel, DO1 shared paper
- Bijan Jamil Teja, MD1 shared paper
- Simcha Weissman, DO1 shared paper
Recent publications by Dr. Rajaratnam
J Community Hosp Intern Med Perspect
J Investig Med High Impact Case Rep
See who Dr. Rajaratnam researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Rajaratnam works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nishan George Rajaratnam received $188 in industry payments from 2024 to 2025
CMS Open Payments shows 5 general payments to Dr. Rajaratnam from 4 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $117.
General payments to Dr. Rajaratnam by program year, 2024 to 2025
Companies that paid Dr. Rajaratnam the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Nishan George Rajaratnam'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 (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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Nishan George Rajaratnam
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What is Dr. Nishan George Rajaratnam's NPI number?
Dr. Nishan George Rajaratnam's NPI number is 1972091171. It was assigned on April 24, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Nishan George Rajaratnam?
Dr. Nishan George Rajaratnam is an infectious disease specialist in Englewood, New Jersey. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Nishan George Rajaratnam practice?
Dr. Rajaratnam practices at 350 Engle St, Englewood, NJ 07631. Dr. Rajaratnam's primary practice is Englewood Hospital in Englewood, New Jersey, part of RWJBarnabas Health. Dmand AI also links Dr. Rajaratnam to 2 medical groups and 1 group practice or clinic.
What is Dr. Nishan George Rajaratnam's office phone number?
The practice phone on file for Dr. Rajaratnam is (201) 894-3000.
What is Dr. Nishan George Rajaratnam's medical license number?
Dr. Rajaratnam holds New Jersey license 25MA11085600.
Which hospitals is Dr. Nishan George Rajaratnam affiliated with?
Dr. Rajaratnam practices at Englewood Hospital in Englewood, New Jersey. Dr. Rajaratnam is also affiliated with Morristown Medical Center.
What medical group is Dr. Nishan George Rajaratnam part of?
Dr. Rajaratnam is linked to Medical Associates at Englewood. Dmand AI links Dr. Rajaratnam to 2 more medical groups.
Does Dr. Nishan George Rajaratnam accept Medicare?
Yes. CMS data shows Dr. Rajaratnam billed Medicare for 911 services in 2024, and Dr. Rajaratnam accepts Medicare assignment.
Does Dr. Nishan George Rajaratnam offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Rajaratnam as offering telehealth services.
What is Dr. Nishan George Rajaratnam's MIPS score?
Dr. Rajaratnam's MIPS final score for performance year 2024 is 19 out of 100, reported individually.
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How many Medicare patients does Dr. Nishan George Rajaratnam see?
CMS counts 388 Medicare patients who saw Dr. Rajaratnam in 2024, with an average age of 79.
What services does Dr. Nishan George Rajaratnam bill to Medicare?
In 2024, Dr. Rajaratnam's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and hospital inpatient care (99233).
Has Dr. Nishan George Rajaratnam received payments from drug or device companies?
CMS Open Payments shows $188 in general payments to Dr. Rajaratnam from 4 companies from 2024 to 2025. The largest total came from Amgen Inc.
How long has Dr. Nishan George Rajaratnam been practicing?
Dr. Rajaratnam graduated from medical school in 2017, 9 years ago.
Does Dr. Nishan George Rajaratnam do research?
Dmand AI links 4 publications to Dr. Rajaratnam, published from 2021 to 2023.
Who does Dr. Nishan George Rajaratnam publish with?
Dr. Rajaratnam's most frequent co-authors are Diana Gurevich Finkel, DO (1 shared paper), Bijan Jamil Teja, MD (1 shared paper) and Simcha Weissman, DO (1 shared paper).
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