Dr. Nicole Ilonzo
What this data tells you about Dr. Ilonzo
Dr. Nicole Ilonzo is a vascular surgery physician in Brooklyn, NY, with 12 years of NPI registration. Based on federal Medicare data, Dr. Ilonzo performed 984 Medicare services across 691 unique beneficiaries.
Between the years covered by Open Payments, Dr. Ilonzo received a total of $64,059 from 18 pharmaceutical and/or device companies across 350 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in vascular surgery physician. 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. Ilonzo 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
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 |
|---|---|---|---|
| Office visit, established patient (10-19 min) An office visit for an existing patient lasting 10 to 19 minutes. The visit involves medical evaluation and management of the patient's condition. |
242 | $49 | $170 |
| Hospital follow-up visit, low complexity Follow-up hospital visit for an established patient with straightforward or low-level medical decision making. The visit requires at least 25 minutes of time spent on the day of service. |
205 | $46 | $147 |
| Initial hospital admission, low complexity Initial hospital inpatient or observation care for a new patient involving straightforward or low-level medical decision making, with at least 40 minutes total time on the date of the encounter. |
138 | $76 | $392 |
| Radiologist review of arm or leg artery image A radiologist reviews images of the arteries in the arm or leg. This process involves analyzing the visual data to assess the blood vessels. |
60 | $76 | $313 |
| Radiologist review of abdominal aorta image A radiologist reviews images of the abdominal aorta to evaluate the blood vessel. |
52 | $62 | $226 |
| New patient office visit, 15-29 minutes An initial office visit for a new patient lasting 15 to 29 minutes. This code is used when the total time spent on the date of the encounter meets this duration threshold. |
46 | $65 | $288 |
| Fluoroscopic guidance for central vein access device Use of live X-ray imaging to guide the placement or removal of a central vein access device. |
33 | $17 | $70 |
| Initial hospital admission, moderate complexity Initial hospital inpatient or observation care for a new patient involving moderate-level medical decision making, with at least 55 minutes total time on the date of the encounter. |
31 | $120 | $522 |
| Insertion of tunneled central venous catheter for infusion, age 5+ A surgical procedure to place a long-term catheter into a large vein for delivering medications or fluids. The catheter is tunneled under the skin to reduce infection risk and provide stable access for patients aged 5 and older. |
28 | $231 | $3,139 |
| Hospital follow-up visit, moderate complexity Follow-up hospital visit for an existing patient involving moderate medical decision making. The visit requires at least 35 minutes of time spent on the date of service. |
26 | $72 | $273 |
| Vena cava filter insertion with radiologist review A procedure to place a filter in the vena cava to prevent blood clots from traveling to the lungs, including review by a radiologist. |
21 | $188 | $10,582 |
| Arterial plaque removal in leg A procedure to remove plaque buildup from the arteries in the leg to restore blood flow. |
20 | $539 | $44,387 |
| Central venous port insertion A surgical procedure to place a small reservoir under the skin for long-term access to the bloodstream. The device is connected to a vein to allow for repeated medication administration or blood draws. |
15 | $315 | $4,743 |
| Arterial plaque removal, initial vessel A procedure to remove plaque buildup from an artery in the leg. This is performed on the first vessel treated during the session. |
15 | $673 | $43,803 |
| Arterial catheter insertion, initial second order branch A procedure to insert a tube into a secondary branch of an artery in the abdomen, pelvis, or leg. |
14 | $235 | $3,611 |
| Ultrasound guidance for blood vessel access Use of ultrasound imaging to help locate and access a blood vessel. This guidance assists healthcare providers in performing procedures such as inserting IV lines or drawing blood. |
14 | $13 | $58 |
| Arteriovenous graft creation for hemodialysis Surgical procedure to create a connection between an artery and a vein using a synthetic tube graft to provide access for hemodialysis. |
13 | $654 | $2,886 |
| Balloon dilation of leg artery A procedure to widen a narrowed or blocked artery in the leg using a balloon catheter to restore blood flow. |
11 | $337 | $15,453 |
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)
All-time payments by company (2020-2024) ›
Associated products mentioned in payments ›
The majority of payments (36%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in vascular surgery physician and does not inherently indicate bias, but patients may wish to be aware. Total industry engagement is in the top 10% for vascular surgery physician in NY.
Geographic Context
2.1 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 reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Ilonzo is a clinical cardiology specialist, with moderate Medicare volume, with mixed engagement industry engagement in the top 10% of NY peers.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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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. 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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