Dr. Rohan Gerard Perera, MD
- Medicare services, 2024
- 3,209
- Medicare patients, 2024
- 1,358
- Part D claims, 2024
- 1,924
- Publications
- 3
- MIPS score, 2024
- 93
- Practice address
- 75 North Country Road, Port Jefferson, NY 11777
- Practice phone
- Call (631) 473-1320
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Perera's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Rohan Gerard Perera is a cardiologist in Port Jefferson, New York
Dr. Perera practices at Mather Hospital in Port Jefferson, New York, part of Northwell Health.
Dr. Perera's NPI, 1336116177, was assigned on March 1, 2006. Dr. Perera graduated from University of Ibadan in 1983. Dr. Perera holds New York license 207987.
- NPI
- 1336116177NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527000678
- NPI enumeration date
- March 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (631) 473-1320
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rohan Gerard Perera practices at Mather Hospital in Port Jefferson, New York
Dr. Perera's primary practice is Mather Hospital, at 75 North Country Road, Port Jefferson, NY 11777 in Suffolk County. The practice phone is (631) 473-1320.
- Mather Hospital75 North Country Road, Port Jefferson, NY 11777 · Suffolk CountyPhone(631) 473-1320
Source: Dmand AI Affiliation Data
Dr. Rohan Gerard Perera is affiliated with 6 sites of care and 2 medical groups
Dr. Perera's primary practice is Mather Hospital in Port Jefferson, New York, part of Northwell Health. Dr. Perera is also affiliated with Good Samaritan University Hospital St. Charles Campus. The medical group on file is Mather Medical Group. Dmand AI also links Dr. Perera to 1 more hospital, 2 group practices and clinics, 1 skilled nursing facility and 1 medical group, 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. Rohan Gerard Perera's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Perera practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mather Hospital | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Rohan Gerard Perera is one of 2,265 cardiologists in New York
Cardiovascular disease is Dr. Perera's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Perera is licensed in New York.
Specialties and state licenses
- Cardiovascular disease, New YorkPrimary
Cardiologists near Dr. Perera
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. Rohan Gerard Perera billed Medicare for 3,209 services in 2024
CMS data shows 3,209 Medicare services from Dr. Perera across 18 procedure codes in 2024, for 1,358 Medicare patients. Medicare paid $264,670 for them.
Dr. Perera's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,7232024: 1,46915%
- Office and hospital visits
- 2023: 1,0712024: 1,0492%
- Drugs given in the office
- 2023: 4722024: 4456%
- Other services
- 2023: 1462024: 12514%
- Imaging
- 2023: 1402024: 12114%
Where Dr. Perera's Medicare services took place, 2024
- In an office2,43576%
- In a facility77424%
Dr. Perera compared with the New York median for cardiologists, 2024
- Dr. Perera
- New York median
- Medicare services
- 3,209vs 1,67492% above
- Medicare patients
- 1,358vs 6112.2 times
- Part D claims
- 1,666vs 1,41218% above
Medians across 2,211 cardiologists in New York with Dmand AI profiles that report each measure.
Dr. Perera'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. Rohan Gerard Perera treated 1,358 Medicare patients in 2024, average age 76
CMS counts 1,358 Medicare patients who saw Dr. Perera in 2024. The largest group is 75 to 84, with 560 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.81, 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. Perera's median patient age at 67, with 43% women.
Dr. Perera's Medicare patients by age, 2024
Dr. Perera's Medicare patients by sex, 2024
- Women69951%
- Men65949%
Chronic conditions among Dr. Perera's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Ischemic heart disease55%
- Diabetes42%
- Chronic kidney disease37%
- Atrial fibrillation35%
- Anxiety33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Perera's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women43%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Rohan Gerard Perera wrote 1,924 Medicare Part D claims in 2024
In 2024, Dr. Perera wrote 1,924 Medicare Part D claims for 305 patients. 85% of them were for generic drugs. CMS names the drug for 1,666 of them, across 36 drugs with 11 or more claims each, at $332,878 in total drug cost. In 2023, CMS named 1,522 claims across 33 drugs.
Dr. Perera's Part D claims by kind of drug, 2024
- Generic1,626 claims85%
- Brand-name298 claims15%
Dr. Perera'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: 1,5222024: 1,6669%
Drugs named by CMS: 36 in 2024, 33 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. Rohan Gerard Perera scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Perera for performance year 2024, reported through an alternative payment model (APM). Dr. Perera accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Perera's MIPS scores, performance year 2024
- 93of 100Final score
- 79.8of 100Quality
- 89of 100Promoting Interoperability
- 40of 100Improvement Activities
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. Rohan Gerard Perera has 3 publications on record
Dmand AI links 3 papers to Dr. Perera, published from 2016 to 2022.
Dr. Perera's papers by year, 2016 to 2022
Recent publications by Dr. Perera
See who Dr. Perera researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Perera works with, so you can find a warm path to the right cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Rohan Gerard Perera received $2,681 in industry payments from 2016 to 2024
CMS Open Payments shows 74 general payments to Dr. Perera from 22 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 93% of the total. Sanofi and Genzyme US Companies paid the most, $447.
General payments to Dr. Perera by program year, 2016 to 2024
General payments to Dr. Perera by kind, 2016 to 2024
- Food and beverage$2,48093%
- Education$2007%
Companies that paid Dr. Perera the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Rohan Gerard Perera graduated from University of Ibadan
Dr. Perera graduated from University of Ibadan in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Rohan Gerard Perera'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) |
| 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) |
| 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. Rohan Gerard Perera
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. Rohan Gerard Perera's NPI number?
Dr. Rohan Gerard Perera's NPI number is 1336116177. It was assigned on March 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Rohan Gerard Perera?
Dr. Rohan Gerard Perera is a cardiologist in Port Jefferson, New York. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Rohan Gerard Perera practice?
Dr. Perera practices at 75 North Country Road, Port Jefferson, NY 11777. Dr. Perera's primary practice is Mather Hospital in Port Jefferson, New York, part of Northwell Health. Dmand AI also links Dr. Perera to 1 hospital, 2 group practices and clinics, 1 skilled nursing facility and 1 medical group.
What is Dr. Rohan Gerard Perera's office phone number?
The practice phone on file for Dr. Perera is (631) 473-1320.
What is Dr. Rohan Gerard Perera's medical license number?
Dr. Perera holds New York license 207987.
Which hospitals is Dr. Rohan Gerard Perera affiliated with?
Dr. Perera practices at Mather Hospital in Port Jefferson, New York. Dr. Perera is also affiliated with Good Samaritan University Hospital St. Charles Campus. Dmand AI links Dr. Perera to 1 more hospital.
What medical group is Dr. Rohan Gerard Perera part of?
Dr. Perera is linked to Mather Medical Group. Dmand AI links Dr. Perera to 1 more medical group.
Does Dr. Rohan Gerard Perera accept Medicare?
Yes. CMS data shows Dr. Perera billed Medicare for 3,209 services in 2024, and Dr. Perera accepts Medicare assignment.
What is Dr. Rohan Gerard Perera's MIPS score?
Dr. Perera's MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Rohan Gerard Perera see?
CMS counts 1,358 Medicare patients who saw Dr. Perera in 2024, with an average age of 76.
Show 6 more questionsShow fewer questions
What services does Dr. Rohan Gerard Perera bill to Medicare?
In 2024, Dr. Perera's most billed Medicare services were heart test or procedure (93010), injected or infused drug (J2785) and heart test or procedure (93000).
Where did Dr. Rohan Gerard Perera go to medical school?
Dr. Perera graduated from University of Ibadan in 1983.
What drugs does Dr. Rohan Gerard Perera prescribe most?
In 2024 Medicare Part D data, Dr. Perera's most prescribed drugs by claims were Metoprolol Succinate, Eliquis and Amlodipine Besylate.
Has Dr. Rohan Gerard Perera received payments from drug or device companies?
CMS Open Payments shows $2,681 in general payments to Dr. Perera from 22 companies from 2016 to 2024. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Rohan Gerard Perera been practicing?
Dr. Perera graduated from medical school in 1983, 43 years ago.
Does Dr. Rohan Gerard Perera do research?
Dmand AI links 3 publications to Dr. Perera, published from 2016 to 2022.
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