Mariya Rozenblit
- Medicare services, 2024
- 147
- Medicare patients, 2024
- 87
- Part D claims, 2024
- 354
- Publications
- 33
- MIPS score, 2024
- 87
- Practice address
- 5 Perryridge Rd, Greenwich, CT 06830
- Practice phone
- Call (203) 863-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Mariya Rozenblit'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.
Mariya Rozenblit is a medical oncologist in Greenwich, Connecticut
Mariya Rozenblit practices at Greenwich Hospital in Greenwich, Connecticut, part of Yale New Haven Health System.
Mariya Rozenblit's NPI, 1215315015, was assigned on May 12, 2015. Mariya Rozenblit graduated from Icahn School of Medicine at Mount Sinai in 2015. Mariya Rozenblit holds Connecticut license 68690.
- NPI
- 1215315015NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597002485
- NPI enumeration date
- May 12, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (203) 863-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mariya Rozenblit practices at Greenwich Hospital in Greenwich, Connecticut
Mariya Rozenblit's primary practice is Greenwich Hospital, at 5 Perryridge Rd, Greenwich, CT 06830 in Fairfield County. The practice phone is (203) 863-3000.
- Greenwich Hospital5 Perryridge Rd, Greenwich, CT 06830 · Fairfield CountyPhone(203) 863-3000
Source: Dmand AI Affiliation Data
Mariya Rozenblit is affiliated with 3 sites of care and 1 medical group
Mariya Rozenblit's primary practice is Greenwich Hospital in Greenwich, Connecticut, part of Yale New Haven Health System. Mariya Rozenblit is also affiliated with Yale New Haven Hospital. The medical group on file is Yale Health. Dmand AI also links Mariya Rozenblit to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mariya Rozenblit's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mariya Rozenblit practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Greenwich Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Mariya Rozenblit is one of 80 medical oncologists in Connecticut
Medical oncology is Mariya Rozenblit's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Mariya Rozenblit is licensed in Connecticut.
Specialties and state licenses
- Medical oncology, ConnecticutPrimary
Medical oncologists near Mariya Rozenblit
Counts of medical 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
Mariya Rozenblit billed Medicare for 147 services in 2024
CMS data shows 147 Medicare services from Mariya Rozenblit across 3 procedure codes in 2024, all of them office visits, for 87 Medicare patients. Medicare paid $13,761 for them.
Mariya Rozenblit's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1022024: 14744%
Where Mariya Rozenblit's Medicare services took place, 2024
- In an office1913%
- In a facility12887%
Mariya Rozenblit compared with the Connecticut median for medical oncologists, 2024
- Mariya Rozenblit
- Connecticut median
- Medicare services
- 147vs 25242% below
- Medicare patients
- 87vs 969% below
- Part D claims
- 291vs 19648% above
Medians across 76 medical oncologists in Connecticut with Dmand AI profiles that report each measure.
Mariya Rozenblit'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
Mariya Rozenblit treated 87 Medicare patients in 2024, average age 75
CMS counts 87 Medicare patients who saw Mariya Rozenblit in 2024. The largest group is 75 to 84, with 40 patients. 75% of them have cancer, and 75% have high cholesterol. Their average risk score is 1.06, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Mariya Rozenblit's median patient age at 71, with 97% women.
Mariya Rozenblit's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Mariya Rozenblit's Medicare patients, 2024
- Cancer75%
- High cholesterol75%
- High blood pressure56%
- Arthritis53%
- Osteoporosis44%
- Anxiety26%
- Mood disorders23%
- Depression21%
Share of Medicare patients with each condition. A patient can have several.
Mariya Rozenblit's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women97%
- Men1%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mariya Rozenblit wrote 354 Medicare Part D claims in 2024
In 2024, Mariya Rozenblit wrote 354 Medicare Part D claims for 85 patients. 89% of them were for generic drugs. CMS names the drug for 291 of them, across 6 drugs with 11 or more claims each, at $539,779 in total drug cost. In 2023, CMS named 131 claims across 3 drugs.
Mariya Rozenblit's Part D claims by kind of drug, 2024
- Generic314 claims89%
- Brand-name40 claims11%
Mariya Rozenblit'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: 1312024: 291122%
Drugs named by CMS: 6 in 2024, 3 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
Mariya Rozenblit scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Mariya Rozenblit for performance year 2024, reported as part of a group. Mariya Rozenblit accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Mariya Rozenblit as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Mariya Rozenblit's MIPS scores, performance year 2024
- 87of 100Final score
- 77.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 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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Mariya Rozenblit has 33 publications on record
Dmand AI links 33 papers to Mariya Rozenblit, published from 2014 to 2025. 2014 was the busiest year, with 5. The most frequent topics are Breast Neoplasms, Biomarkers, Tumor and Germ-Line Mutation. Mariya Rozenblit has published most often in Breast Cancer Res. Mariya Rozenblit's most frequent co-authors are Lajos Pusztai, MD, James Krueger, MD, PhD and Julia Foldi, MD.
Mariya Rozenblit's papers by year, 2014 to 2025
Topics Mariya Rozenblit writes about most
- Breast Neoplasms
- Biomarkers, Tumor
- Germ-Line Mutation
- BRCA1 Protein
- BRCA2 Protein
- Genetic Predisposition to Disease
- Genomics
- Neoadjuvant Therapy
Mariya Rozenblit's most frequent co-authors
- Lajos Pusztai, MD15 shared papers
- James Krueger, MD, PhD5 shared papers
- Julia Foldi, MD4 shared papers
Recent publications by Mariya Rozenblit
Breast Cancer Res
Breast Cancer Res Treat
See who Mariya Rozenblit researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Mariya Rozenblit works with, so you can find a warm path to the right medical oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Mariya Rozenblit received $7,272 in industry payments from 2022 to 2025
CMS Open Payments shows 7 general payments to Mariya Rozenblit from 4 drug and device companies from 2022 to 2025. Consulting fees make up the largest share, 94% of the total. AstraZeneca Pharmaceuticals LP paid the most, $5,020. It also lists 1 research payment totaling $763 in 2024.
General payments to Mariya Rozenblit by program year, 2022 to 2025
General payments to Mariya Rozenblit by kind, 2022 to 2025
- Consulting fees$6,87094%
- Grants$3505%
- Food and beverage$521%
Companies that paid Mariya Rozenblit the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Mariya Rozenblit graduated from Icahn School of Medicine at Mount Sinai
Mariya Rozenblit graduated from Icahn School of Medicine at Mount Sinai in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Mariya Rozenblit'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 Mariya Rozenblit
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mariya Rozenblit's NPI number?
Mariya Rozenblit's NPI number is 1215315015. It was assigned on May 12, 2015, and it is active in the NPI Registry.
What does Mariya Rozenblit specialize in?
Mariya Rozenblit is a medical oncologist in Greenwich, Connecticut. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).
Where does Mariya Rozenblit practice?
Mariya Rozenblit practices at 5 Perryridge Rd, Greenwich, CT 06830. Mariya Rozenblit's primary practice is Greenwich Hospital in Greenwich, Connecticut, part of Yale New Haven Health System. Dmand AI also links Mariya Rozenblit to 1 hospital.
What is Mariya Rozenblit's office phone number?
The practice phone on file for Mariya Rozenblit is (203) 863-3000.
What is Mariya Rozenblit's medical license number?
Mariya Rozenblit holds Connecticut license 68690.
Which hospitals is Mariya Rozenblit affiliated with?
Mariya Rozenblit practices at Greenwich Hospital in Greenwich, Connecticut. Mariya Rozenblit is also affiliated with Yale New Haven Hospital. Dmand AI links Mariya Rozenblit to 1 more hospital.
What medical group is Mariya Rozenblit part of?
Mariya Rozenblit is linked to Yale Health.
Does Mariya Rozenblit accept Medicare?
Yes. CMS data shows Mariya Rozenblit billed Medicare for 147 services in 2024, and Mariya Rozenblit accepts Medicare assignment.
Does Mariya Rozenblit offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Mariya Rozenblit as offering telehealth services.
What is Mariya Rozenblit's MIPS score?
Mariya Rozenblit's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Mariya Rozenblit see?
CMS counts 87 Medicare patients who saw Mariya Rozenblit in 2024, with an average age of 75.
What services does Mariya Rozenblit bill to Medicare?
In 2024, Mariya Rozenblit's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, new patient (99205).
Where did Mariya Rozenblit go to medical school?
Mariya Rozenblit graduated from Icahn School of Medicine at Mount Sinai in 2015.
What drugs does Mariya Rozenblit prescribe most?
In 2024 Medicare Part D data, Mariya Rozenblit's most prescribed drugs by claims were Anastrozole, Letrozole and Tamoxifen Citrate.
Has Mariya Rozenblit received payments from drug or device companies?
CMS Open Payments shows $7,272 in general payments to Mariya Rozenblit from 4 companies from 2022 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Mariya Rozenblit been practicing?
Mariya Rozenblit graduated from medical school in 2015, 11 years ago.
Does Mariya Rozenblit do research?
Dmand AI links 33 publications to Mariya Rozenblit, published from 2014 to 2025.
Who does Mariya Rozenblit publish with?
Mariya Rozenblit's most frequent co-authors are Lajos Pusztai, MD (15 shared papers), James Krueger, MD, PhD (5 shared papers) and Julia Foldi, MD (4 shared papers).
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