Dr. Timothy Oconnor, M.D.
What this data tells you about Dr. Oconnor
Dr. Timothy Oconnor is a transplant surgery physician in Peoria, IL, with 20 years of NPI registration. Based on federal Medicare data, Dr. Oconnor performed 955 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Oconnor received a total of $99 from 2 pharmaceutical and/or device companies across 2 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. Oconnor 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 |
|---|---|---|---|
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
120 | $127 | $225 |
| Pre-op ultrasound of artery and vein blood flow for hemodialysis access An ultrasound exam to assess blood flow in the arteries and veins on both sides of the body before surgery for hemodialysis access. |
110 | $175 | $300 |
| Hospital follow-up visit, high complexity Subsequent hospital inpatient or observation care for an existing patient involving high-level medical decision making, with at least 50 minutes total time on the date of the encounter. |
92 | $91 | $200 |
| 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. |
84 | $91 | $145 |
| Arm vein relocation with artery connection for hemodialysis A surgical procedure to move a vein in the arm and connect it to an artery to create access for hemodialysis. |
66 | $525 | $1,100 |
| 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. |
48 | $62 | $100 |
| Hemodialysis circuit intervention with balloon dilation A procedure to insert a needle or tube into a hemodialysis circuit and dilate the dialysis segment using a balloon, with radiological review. |
40 | $185 | $400 |
| Initial hospital admission, high complexity Initial hospital inpatient or observation care for a new patient involving high-level medical decision making, with at least 75 minutes total time on the date of the encounter. |
36 | $135 | $294 |
| 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. |
35 | $98 | $222 |
| 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. |
30 | $100 | $227 |
| 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. |
27 | $528 | $1,060 |
| Revision of hemodialysis graft A procedure to repair or restore the function of a surgically created blood vessel connection used for hemodialysis. |
27 | $589 | $1,000 |
| Removal of tunneled central venous tube This procedure involves the removal of a catheter that has been surgically placed under the skin and threaded into a large vein. |
24 | $98 | $250 |
| Abdominal cavity tube removal This procedure involves the removal of a tube located in the abdominal cavity. |
24 | $129 | $350 |
| 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. |
23 | $11 | $25 |
| Kidney transplant Surgical procedure to place a healthy kidney from a donor into a patient whose kidneys have failed. |
21 | $1,742 | $4,000 |
| 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. |
21 | $10 | $75 |
| Relocation of upper arm vein to artery for hemodialysis A surgical procedure to move a vein from the upper arm and connect it to an artery to create access for hemodialysis. |
20 | $581 | $1,000 |
| 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. |
20 | $14 | $40 |
| Tying or banding of surgically created artery-vein connection This procedure involves closing off a surgically created connection between an artery and a vein by tying or banding it. |
19 | $249 | $1,000 |
| Donor kidney preparation for transplantation This procedure involves the preparation of a donor kidney for transplantation. It does not include the actual surgical removal or implantation of the organ. |
16 | $129 | $500 |
| 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. |
15 | $148 | $400 |
| Insertion of non-tunneled central venous catheter A procedure to place a central venous catheter for infusion in patients aged 5 years or older. The catheter is inserted directly into a large vein without being tunneled under the skin. |
13 | $66 | $400 |
| Removal of infected graft from arm or leg This procedure involves the surgical removal of a graft that has become infected in the arm or leg. |
12 | $393 | $1,000 |
| Abdominal cavity tube insertion for drainage or dialysis A procedure to place a tube into the abdominal cavity to remove fluid or perform dialysis. |
12 | $132 | $350 |
Industry Payment Transparency
Open Payments through 2021 ↗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 (2021)
All-time payments by company (2019-2021) ›
Associated products mentioned in payments ›
Geographic Context
11.7 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 2021 |
| 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. Oconnor is a clinical cardiology specialist, with above-average Medicare volume (top 3% in IL), with 20 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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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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