Dr. Patricia Vassallo, MD
What this data tells you about Dr. Vassallo
Dr. Patricia Vassallo is a cardiovascular disease specialist in Chicago, IL, with 19 years of NPI registration. Based on federal Medicare data, Dr. Vassallo performed 1,499 Medicare services across 1,317 unique beneficiaries.
Between the years covered by Open Payments, Dr. Vassallo received a total of $144 from 2 pharmaceutical and/or device companies across 2 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in cardiovascular disease. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Vassallo 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 |
|---|---|---|---|
| Electrocardiogram (EKG), 12-lead A standard heart rhythm test using at least 12 leads to record electrical activity. A healthcare provider interprets the results and provides a written report. |
254 | $11 | $140 |
| Echocardiogram, transthoracic An ultrasound of the heart that uses color to show blood flow, rate, direction, and valve function. |
243 | $54 | $380 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
226 | $91 | $323 |
| Anticoagulant management for warfarin Management of anticoagulant therapy for a patient taking warfarin. This service involves monitoring and adjusting the medication regimen. |
161 | $9 | $65 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
128 | $144 | $434 |
| Heart muscle strain imaging | 107 | $9 | $147 |
| EKG interpretation and report A standard electrocardiogram test that records the heart's electrical activity using at least 12 leads. The service includes a professional interpretation of the results and a written report. |
80 | $6 | $57 |
| Stress echocardiogram with ECG monitoring An ultrasound of the heart performed while monitoring heart rhythm during rest, exercise, or medication-induced stress, followed by a review and report of the findings. |
60 | $60 | $487 |
| New patient office visit, complex (60-74 min) | 47 | $180 | $625 |
| Echocardiogram, transthoracic An ultrasound test that uses sound waves to create images of the heart's blood flow, valves, and chambers. |
45 | $14 | $149 |
| Echocardiogram with color Doppler An ultrasound of the heart that uses color imaging to visualize blood flow, measure flow rate, and assess valve function. |
45 | $2 | $175 |
| 3D radiographic procedure A radiographic imaging technique that creates three-dimensional representations of internal structures. |
40 | $8 | $57 |
| Ultrasound of heart with contrast injection An ultrasound of the heart is performed while injecting an X-ray contrast agent to improve the clarity of the images. |
20 | $27 | $227 |
| 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. |
16 | $112 | $507 |
| Blood draw (venipuncture) Insertion of a needle into a vein to collect a blood sample. |
14 | $8 | $20 |
| Transesophageal echocardiogram An ultrasound of the heart performed using a probe inserted into the esophagus to obtain detailed images of heart structures and function. |
13 | $88 | $593 |
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 (2022-2024) ›
Associated products mentioned in payments ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
0.0 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. Vassallo is a cardiac & cardiac specialist, with moderate Medicare volume, with low-engagement industry engagement, 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. Vassallo experienced with electrocardiogram (ekg), 12-lead?
Does Dr. Vassallo receive payments from pharmaceutical companies?
How do Dr. Vassallo's costs compare to other cardiologists in Chicago?
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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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