Dr. John O'Connor, M.D.
What this data tells you about Dr. O'Connor
Dr. John O'Connor is a radiology - diagnostic specialist in Dallas, TX, with 19 years of NPI registration. Based on federal Medicare data, Dr. O'Connor performed 18,482 Medicare services across 1,335 unique beneficiaries.
The Data Coverage level for Dr. O'Connor is 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 |
|---|---|---|---|
| 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. |
14,334 | $0 | $3 |
| CT guidance for radiation therapy This procedure uses computed tomography imaging to guide the precise placement of radiation therapy fields. It ensures accurate positioning for targeted treatment delivery. |
918 | $96 | $605 |
| Intensity-modulated radiation therapy delivery Delivery of radiation therapy using narrow beams that are spatially and temporally modulated to target specific areas. This process is performed per treatment session. |
853 | $290 | $2,762 |
| Calculation of radiation therapy dose | 423 | $41 | $271 |
| Continuing radiation therapy consultation per week A weekly consultation to review and manage ongoing radiation therapy treatment. |
242 | $69 | $343 |
| Radiation treatment management, 5 sessions Oversight and management of a radiation therapy course consisting of five treatment sessions. |
230 | $152 | $1,067 |
| Design and construction of complex radiation treatment device This code covers the design and construction of a complex radiation treatment device. It does not specify the clinical purpose or conditions treated. |
216 | $83 | $582 |
| Radiation therapy, 3+ areas, 6-10 MeV Radiation treatment delivered to three or more separate areas using advanced techniques like custom blocking and rotational beams with an energy level of 6-10 MeV. |
177 | $190 | $700 |
| Radiation therapy, 3+ areas, 11-19 MeV Delivery of high-energy radiation (11-19 MeV) to three or more separate treatment areas using custom blocking, tangential ports, wedges, rotational beams, and compensators. |
144 | $168 | $700 |
| CT scan of chest with contrast A computed tomography scan of the chest using a contrast dye to enhance the visibility of internal structures. |
118 | $52 | $821 |
| 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. |
114 | $166 | $1,067 |
| Complex radiation therapy planning | 79 | $128 | $1,022 |
| 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. |
70 | $128 | $565 |
| 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. |
68 | $37 | $150 |
| Design and construction of simple radiation treatment device This code covers the design and construction of a simple radiation treatment device. It does not specify the clinical purpose or condition being treated. |
62 | $21 | $137 |
| Special radiation treatment | 62 | $102 | $1,380 |
| Design and construction of radiation treatment device This code covers the design and construction of a device used for high precision radiation therapy. It does not include the actual administration of radiation treatment. |
56 | $372 | $2,640 |
| Radiation treatment planning, complex This procedure involves obtaining the necessary data to develop an optimal radiation treatment plan for three or more treatment areas, or any number of areas requiring special treatment. |
45 | $226 | $867 |
| High precision radiation therapy planning This procedure involves the detailed planning and setup required for delivering high-precision radiation therapy to a target area of the body. |
44 | $1,479 | $6,431 |
| 3D radiation therapy planning This procedure involves creating a three-dimensional treatment plan for radiation therapy. It uses imaging data to map the target area and surrounding tissues to guide precise radiation delivery. |
41 | $277 | $2,804 |
| 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. |
39 | $48 | $686 |
| Radiation treatment planning, 1 area This procedure involves gathering the necessary data to design the most effective radiation therapy plan for a single treatment area. |
36 | $204 | $704 |
| Fractionated radiation therapy for cranial lesion Treatment using radiation delivered in multiple sessions to manage a lesion in the head. |
24 | $508 | $3,609 |
| X-ray during radiation therapy An X-ray image taken while radiation therapy is being administered to verify treatment positioning. |
22 | $10 | $126 |
| CT scan of neck soft tissue with contrast A computed tomography scan that uses contrast dye to create detailed images of the soft tissues in the neck. |
19 | $80 | $658 |
| 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. |
17 | $72 | $560 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
16 | $72 | $250 |
| CT scan of abdomen with contrast A CT scan of the abdomen using a contrast dye to create detailed images of internal organs and structures. |
13 | $144 | $793 |
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 | — No payments | N/A |
| Disciplinary History | — Not public | N/A |
This provider has data in 3 of 4 available federal datasets, with a Data Coverage level of High. This measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. O'Connor is a mixed practice specialist, with above-average Medicare volume (top 5% in TX), with 19 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. O'Connor experienced with contrast dye for imaging (iodine-based)?
How do Dr. O'Connor's costs compare to other radiology - diagnostics in Dallas?
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 ↗, 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