Dr. Rajasree S. Roy, MD
- Medicare services, 2024
- 2,687
- Medicare patients, 2024
- 601
- Part D claims, 2024
- 492
- Publications
- 1
- Hospital affiliations
- 5
- Practice address
- 100 Port Washington Boulevard, Roslyn, NY 11576
- Practice phone
- Call (516) 562-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Roy'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. Rajasree S. Roy is a hematologist and oncologist in Roslyn, New York
Dr. Roy practices at St. Francis Hospital & Heart Center in Roslyn, New York, part of Diocese of Rockville Centre.
Dr. Roy's NPI, 1629173604, was assigned on September 14, 2006. Dr. Roy graduated from Dhaka Medical College in 1993. Dr. Roy's New York license number on file is 229946.
- NPI
- 1629173604NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577659945
- NPI enumeration date
- September 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (516) 562-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rajasree S. Roy practices at St. Francis Hospital & Heart Center in Roslyn, New York
Dr. Roy's primary practice is St. Francis Hospital & Heart Center, at 100 Port Washington Boulevard, Roslyn, NY 11576 in Nassau County. The practice phone is (516) 562-6000.
- St. Francis Hospital & Heart Center100 Port Washington Boulevard, Roslyn, NY 11576 · Nassau CountyPhone(516) 562-6000
Source: Dmand AI Affiliation Data
Dr. Rajasree S. Roy is affiliated with 7 sites of care and 1 medical group
Dr. Roy's primary practice is St. Francis Hospital & Heart Center in Roslyn, New York, part of Diocese of Rockville Centre. Dr. Roy is also affiliated with North Shore University Hospital. The medical group on file is Cardiac Interventional Group. Dmand AI also links Dr. Roy to 3 more hospitals, 1 home health agency and 1 hospice, 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. Rajasree S. Roy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Roy practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Francis Hospital & Heart Center | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Diocese of Rockville Centre and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Rajasree S. Roy is one of 996 hematologists and oncologists in New York
Hematology and oncology is Dr. Roy's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Roy has a license on file in New York.
Specialties and state licenses
- Hematology and oncology, New YorkPrimary
Clinical focus
Dmand AI lists breast cancer, chronic anemia, chronic embolism thrombosis, chronic leukemia, colorectal cancer, deep vein thrombosis (DVT), fluid and electrolyte imbalances and immune deficiency disease among the conditions Dr. Roy treats.
Hematologists and oncologists near Dr. Roy
Counts of hematologists and oncologists 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. Rajasree S. Roy billed Medicare for 2,687 services in 2024
CMS data shows 2,687 Medicare services from Dr. Roy across 15 procedure codes in 2024, for 601 Medicare patients. Medicare paid $192,058 for them.
Dr. Roy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,5802024: 1,584No change
- Lab and pathology
- 2023: 8792024: 98812%
- Surgery
- 2023: 1112024: 5352%
- Drugs given in the office
- 2023: 352024: 3111%
- Tests and treatments
- 2023: 262024: 3119%
Where Dr. Roy's Medicare services took place, 2024
- In an office2,15180%
- In a facility53620%
Dr. Roy compared with the New York median for hematologists and oncologists, 2024
- Dr. Roy
- New York median
- Medicare services
- 2,687vs 6684.0 times
- Medicare patients
- 601vs 2102.9 times
- Part D claims
- 292vs 25813% above
Medians across 940 hematologists and oncologists in New York with Dmand AI profiles that report each measure.
Dr. Roy'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.
Need commercial claims for Dr. Roy?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Roy and other hematologists and oncologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Rajasree S. Roy treated 601 Medicare patients in 2024, average age 78
CMS counts 601 Medicare patients who saw Dr. Roy in 2024. The largest group is 75 to 84, with 255 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.90, 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. Roy's median patient age at 75, with 78% women.
Dr. Roy's Medicare patients by age, 2024
Dr. Roy's Medicare patients by sex, 2024
- Women42671%
- Men17529%
Chronic conditions among Dr. Roy's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Cancer56%
- Ischemic heart disease53%
- Diabetes42%
- Chronic kidney disease37%
- Heart failure37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Roy'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
- Women78%
- Men21%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Rajasree S. Roy wrote 492 Medicare Part D claims in 2024
In 2024, Dr. Roy wrote 492 Medicare Part D claims for 168 patients. 78% of them were for generic drugs. CMS names the drug for 292 of them, across 12 drugs with 11 or more claims each, at $104,753 in total drug cost. In 2023, CMS named 241 claims across 7 drugs.
Dr. Roy's Part D claims by kind of drug, 2024
- Generic385 claims78%
- Brand-name107 claims22%
Dr. Roy'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.
Drug classes CMS tracks in Dr. Roy's Part D claims, 2024
- Opioids5%27 of 492 claims
- Antibiotics3%14 of 492 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2412024: 29221%
Drugs named by CMS: 12 in 2024, 7 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. Rajasree S. Roy offers telehealth to Medicare patients
Dr. Roy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Roy as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Rajasree S. Roy has 1 publication on record
Dmand AI links 1 paper to Dr. Roy in 2024. Dr. Roy's most frequent co-authors are Bhoomi Mehrotra, MD and Sandra Nissel-Horowitz, PA.
Dr. Roy's most frequent co-authors
Recent publications by Dr. Roy
See who Dr. Roy researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Roy works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Rajasree S. Roy received $2,419 in industry payments from 2016 to 2025
CMS Open Payments shows 77 general payments to Dr. Roy from 36 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 84% of the total. Merck Sharp & Dohme Corporation paid the most, $302.
General payments to Dr. Roy by program year, 2016 to 2025
General payments to Dr. Roy by kind, 2016 to 2025
- Food and beverage$2,02484%
- Education$39516%
Companies that paid Dr. Roy 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. Rajasree S. Roy graduated from Dhaka Medical College
Dr. Roy graduated from Dhaka Medical College in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Rajasree S. Roy accepts plans from 14 insurance carriers
Dr. Roy is in network with 14 carriers, including Elevance, Aetna and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Elevance
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- HCSC
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- MVP Health Care
- +6 more carriersWith a free account
Plan types Dr. Roy accepts, by number of carriers
- PPO9
- Medicare8
- HMO7
- POS5
- EPO4
- Medicaid3
Source: Dmand AI Insurance Network Data
Sources for Dr. Rajasree S. Roy'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) |
| 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Rajasree S. Roy
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. Rajasree S. Roy's NPI number?
Dr. Rajasree S. Roy's NPI number is 1629173604. It was assigned on September 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Rajasree S. Roy?
Dr. Rajasree S. Roy is a hematologist and oncologist in Roslyn, New York. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Rajasree S. Roy practice?
Dr. Roy practices at 100 Port Washington Boulevard, Roslyn, NY 11576. Dr. Roy's primary practice is St. Francis Hospital & Heart Center in Roslyn, New York, part of Diocese of Rockville Centre. Dmand AI also links Dr. Roy to 3 hospitals, 1 home health agency and 1 hospice.
What is Dr. Rajasree S. Roy's office phone number?
The practice phone on file for Dr. Roy is (516) 562-6000.
What is Dr. Rajasree S. Roy's medical license number?
Dr. Roy's New York license number on file is 229946.
Which hospitals is Dr. Rajasree S. Roy affiliated with?
Dr. Roy practices at St. Francis Hospital & Heart Center in Roslyn, New York. Dr. Roy is also affiliated with North Shore University Hospital. Dmand AI links Dr. Roy to 3 more hospitals.
What medical group is Dr. Rajasree S. Roy part of?
Dr. Roy is linked to Cardiac Interventional Group.
Does Dr. Rajasree S. Roy accept Medicare?
Yes. CMS data shows Dr. Roy billed Medicare for 2,687 services in 2024, and Dr. Roy accepts Medicare assignment.
Does Dr. Rajasree S. Roy offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Roy as offering telehealth services.
How many Medicare patients does Dr. Rajasree S. Roy see?
CMS counts 601 Medicare patients who saw Dr. Roy in 2024, with an average age of 78.
Show 8 more questionsShow fewer questions
What services does Dr. Rajasree S. Roy bill to Medicare?
In 2024, Dr. Roy's most billed Medicare services were lab and pathology test (85025), office visit, established patient (99214) and office visit, established patient (99215).
Where did Dr. Rajasree S. Roy go to medical school?
Dr. Roy graduated from Dhaka Medical College in 1993.
What drugs does Dr. Rajasree S. Roy prescribe most?
In 2024 Medicare Part D data, Dr. Roy's most prescribed drugs by claims were Anastrozole, Letrozole and Eliquis.
Has Dr. Rajasree S. Roy received payments from drug or device companies?
CMS Open Payments shows $2,419 in general payments to Dr. Roy from 36 companies from 2016 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Rajasree S. Roy been practicing?
Dr. Roy graduated from medical school in 1993, 33 years ago.
Does Dr. Rajasree S. Roy do research?
Dmand AI links 1 publication to Dr. Roy.
Who does Dr. Rajasree S. Roy publish with?
Dr. Roy's most frequent co-authors are Bhoomi Mehrotra, MD (1 shared paper) and Sandra Nissel-Horowitz, PA (1 shared paper).
What insurance does Dr. Rajasree S. Roy accept?
Dr. Roy is in network with 14 carriers, including Elevance, Aetna and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
Selling to hematology and oncology practices?
See hematologists and oncologists in New York by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card