Dr. John Leahy, MD
What this data tells you about Dr. Leahy
Dr. John Leahy is a radiation oncology specialist in Austin, TX, with 20 years of NPI registration. Based on federal Medicare data, Dr. Leahy performed 17,228 Medicare services across 1,819 unique beneficiaries.
Between the years covered by Open Payments, Dr. Leahy received a total of $3,095 from 8 pharmaceutical and/or device companies across 26 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in radiation oncology. The majority of payments are for speaking programs and promotional activities, reflecting participation in industry-sponsored events. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Leahy is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
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 |
|---|---|---|---|
| Lutetium Lu 177 vipivotide tetraxetan therapeutic injection A therapeutic injection of Lutetium Lu 177 vipivotide tetraxetan administered in units of millicuries. |
6,600 | $194 | $497 |
| 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. |
6,395 | $0 | $1 |
| MRI contrast dye injection (gadobutrol) | 1,980 | $0 | $1 |
| Nuclear medicine scan from skull base to mid-thigh with CT A nuclear medicine imaging study covering the area from the base of the skull to the middle of the thighs, performed alongside a CT scan. |
514 | $631 | $2,171 |
| Gallium Ga-68 gozetotide diagnostic injection A diagnostic injection of the radiopharmaceutical Gallium Ga-68 gozetotide (brand name Illuccix) used for imaging purposes. |
400 | $773 | $2,679 |
| Chest X-ray, 1 view An X-ray image of the chest taken from a single angle. This imaging test is used to visualize the structures within the chest cavity. |
240 | $7 | $137 |
| Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries | 149 | $89 | $380 |
| Gallium Ga-68 dotatate diagnostic injection A diagnostic injection of Gallium Ga-68 dotatate used for imaging. The dose specified is 0.1 millicurie. |
120 | $314 | $964 |
| Piflufolastat F-18 diagnostic injection A diagnostic injection of the radioactive tracer piflufolastat F-18 used for imaging. The dose specified is 1 millicurie. |
91 | $467 | $1,679 |
| Whole body nuclear medicine scan with CT A combined imaging procedure using nuclear medicine and CT scans to visualize the entire body. |
82 | $477 | $1,791 |
| Blood creatinine level test A blood test that measures the amount of creatinine, a waste product from muscle wear and tear, to help assess kidney function. |
74 | $5 | $21 |
| CT scan of abdomen and pelvis with contrast A CT scan that uses dye to create detailed images of the abdomen and pelvis. This imaging test helps doctors examine internal organs and structures in these areas. |
68 | $156 | $820 |
| CT scan of chest with contrast A computed tomography scan of the chest using a contrast dye to enhance the visibility of internal structures. |
62 | $61 | $334 |
| Radioactive drug therapy through a vein Administration of a radioactive medication directly into the bloodstream via an intravenous line. |
38 | $122 | $629 |
| CT scan of chest blood vessels with contrast A CT scan that uses contrast dye to create detailed images of the blood vessels in the chest. |
37 | $66 | $1,316 |
| Technetium Tc-99m medronate diagnostic injection An injection of Technetium Tc-99m medronate used for diagnostic imaging studies. The dose administered is up to 30 millicuries per study. |
33 | $37 | $138 |
| Lung ventilation and perfusion scan A nuclear medicine test that uses radioactive tracers to evaluate both air flow (ventilation) and blood flow (perfusion) in the lungs. |
29 | $38 | $694 |
| Whole body bone and joint nuclear medicine scan A nuclear medicine imaging test that uses a radioactive tracer to create pictures of the entire skeleton and joints. This scan helps evaluate bone health and detect abnormalities throughout the body. |
28 | $199 | $657 |
| Chest X-ray, 2 views An X-ray imaging test of the chest that captures two different angles to visualize the lungs, heart, and chest wall. |
27 | $8 | $162 |
| CT scan of chest, without contrast A computed tomography scan of the chest area that uses X-rays to create detailed images without the use of contrast dye. |
25 | $54 | $237 |
| Abdominal X-ray, 1 view An X-ray image of the abdomen taken from a single angle to visualize internal structures. |
24 | $7 | $125 |
| Shoulder X-ray, 2+ views An X-ray imaging test of the shoulder joint using at least two different angles to visualize the bones and surrounding structures. |
22 | $7 | $133 |
| 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. |
20 | $80 | $254 |
| Parathyroid nuclear medicine study with SPECT/CT A nuclear medicine imaging test that uses a radioactive tracer to visualize the parathyroid glands, combined with SPECT and CT scans for detailed anatomical localization. |
19 | $330 | $1,749 |
| Technetium Tc-99m sestamibi diagnostic injection A diagnostic injection of technetium Tc-99m sestamibi used for imaging studies. |
19 | $25 | $98 |
| CT scan of abdomen and pelvis, without contrast A computed tomography scan that creates detailed images of the abdominal and pelvic organs. The procedure is performed without the use of intravenous contrast dye. |
18 | $85 | $611 |
| Injection, furosemide, up to 20 mg | 18 | $0 | $7 |
| Complete ultrasound of abdomen A diagnostic imaging test that uses sound waves to create detailed pictures of the organs and structures within the abdomen. |
17 | $67 | $276 |
| Bone density scan (DEXA) A test that uses low-dose X-rays to measure bone mineral density in the hip, pelvis, and spine. It helps assess bone strength and risk of fractures. |
17 | $36 | $209 |
| 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. |
16 | $17 | $418 |
| Limited abdominal ultrasound A focused ultrasound examination of the abdomen to evaluate specific organs or areas. This procedure uses sound waves to create images of internal structures. |
12 | $20 | $382 |
| Nuclear medicine liver and bile duct scan A nuclear medicine imaging test to evaluate the liver and bile duct system. |
12 | $27 | $526 |
| X-ray of lower and sacral spine, 2-3 views An X-ray imaging test that captures 2 to 3 views of the lower back and sacral spine to visualize the bones and joints in this area. |
11 | $8 | $147 |
| Hip X-ray, 2-3 views An X-ray imaging test of the hip joint using two to three different angles to visualize the bones and surrounding structures. |
11 | $8 | $212 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
Associated products mentioned in payments ›
The majority of payments (66%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in radiation oncology and does not inherently indicate bias, but patients may wish to be aware.
Geographic Context
2.9 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Leahy is a mixed practice specialist, with above-average Medicare volume (top 4% in TX), with speaking/promotional industry engagement in the top 16% of TX peers, with 20 years of NPI registration.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
Is Dr. Leahy experienced with lutetium lu 177 vipivotide tetraxetan therapeutic injection?
Does Dr. Leahy receive payments from pharmaceutical companies?
How do Dr. Leahy's costs compare to other radiation oncologists in Austin?
What does Data Coverage mean?
Is this data up to date?
Explore related providers
All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): 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. The Transparency Score measures 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.
Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology