Dr. Jason Dunleavy, MD
What this data tells you about Dr. Dunleavy
Dr. Jason Dunleavy is a radiation oncology specialist in Williamsville, NY, with 19 years of NPI registration. Based on federal Medicare data, Dr. Dunleavy performed 1,895 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Dunleavy received a total of $452,853 from 37 pharmaceutical and/or device companies across 709 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Dunleavy is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary — 2023
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Contrast dye for imaging (iodine-based) A contrast agent containing 300-399 mg/ml of iodine used to enhance imaging studies. It is administered per milliliter to improve the visibility of internal structures. |
1,398 | $0 | $5 |
| Injection, fentanyl citrate, 0.1 mg | 87 | $1 | $5 |
| Anti-nausea injection (ondansetron/Zofran) | 80 | $0 | $5 |
| Midazolam injection, per 1 mg Administration of midazolam hydrochloride, a sedative medication, measured in 1 mg increments. |
78 | $0 | $5 |
| Additional sedation, per 15 minutes Administration of a drug to deepen sedation during a procedure. This code covers each additional 15-minute increment of sedation beyond the initial period. |
74 | $8 | $57 |
| Ultrasound of head and neck soft tissue This procedure uses sound waves to create images of the soft tissues in the head and neck area. It allows for the visualization of structures beneath the skin without using radiation. |
46 | $81 | $620 |
| Sedation by physician, initial 15 minutes Administration of a drug to induce depression of consciousness by the physician performing a procedure. This code covers the initial 15 minutes of sedation for patients aged 5 years or older. |
43 | $39 | $271 |
| Cefazolin sodium injection, 500 mg An injection of 500 mg of cefazolin sodium, an antibiotic medication, administered into the body. |
36 | $1 | $10 |
| Ultrasound of arm or leg veins An ultrasound exam of the veins in the arm or leg. The test uses sound waves to check blood flow and may include compression and other maneuvers. |
30 | $142 | $1,044 |
| Ultrasound of arm or leg veins An ultrasound exam of the veins in one arm or leg using compression and other maneuvers to assess blood flow and check for blockages. |
12 | $86 | $652 |
| Complete ultrasound of abdomen A diagnostic imaging test that uses sound waves to create detailed pictures of the organs and structures within the abdomen. |
11 | $81 | $657 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
Geographic Context
5.6 mi
Data Sources
| Provider Registry | ✓ NPPES | NPPES snapshot; verify current record |
| Medicare Enrollment | ✓ PECOS | PECOS snapshot |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not included | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Dunleavy is a mixed practice specialist, with moderate Medicare volume, with 19 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Dr. Dunleavy experienced with contrast dye for imaging (iodine-based)?
Does Dr. Dunleavy receive payments from pharmaceutical companies?
How do Dr. Dunleavy's costs compare to other radiation oncologists in Williamsville?
What does Data Coverage mean?
Is this data up to date?
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This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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