Dr. Michael Hennessy, M.D.
What this data tells you about Dr. Hennessy
Dr. Michael Hennessy is an orthopaedic surgery of the spine physician in Addison, TX, with 18 years in practice. Based on federal Medicare data, Dr. Hennessy performed 916 Medicare services across 627 unique beneficiaries.
Between the years covered by Open Payments, Dr. Hennessy received a total of $26,879 from 27 pharmaceutical and/or device companies across 131 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in orthopaedic surgery of the spine physician. The majority of payments are for consulting, which typically reflects recognized clinical expertise sought by manufacturers. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Hennessy 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 |
|---|---|---|---|
| Office visit, established patient (20-29 min) | 340 | $66 | $336 |
| X-ray of lower and sacral spine, 2-3 views | 125 | $30 | $195 |
| New patient office visit (45-59 min) | 85 | $122 | $784 |
| X-ray of lower and sacral spine, minimum of 4 views | 57 | $35 | $267 |
| X-ray lower and sacral spine, minimum of 6 views | 57 | $44 | $354 |
| Insertion of cage or mesh device to spine bone and disc space during spine fusion | 38 | $197 | $2,086 |
| X-ray of upper spine, 4-5 views | 36 | $40 | $258 |
| X-ray of upper spine, 2-3 views | 35 | $31 | $186 |
| Fusion of additional segment of spine | 29 | $298 | $2,001 |
| X-ray of middle and lower spine, 2 views | 29 | $28 | $176 |
| Fusion of lower spine bone through abdomen with partial removal of disc | 18 | $613 | $7,637 |
| Fusion of spine in lower back | 18 | $1,209 | $7,500 |
| Office visit, established patient (30-39 min) | 18 | $79 | $504 |
| Exploration of spine fusion | 16 | $321 | $3,966 |
| Placement of stabilizing device to back, 3-6 spine bone segments | 15 | $582 | $3,908 |
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 (56%) are consulting fees, which typically reflect recognized clinical expertise sought by manufacturers.
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 measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Hennessy is a clinical cardiology specialist, with above-average Medicare volume (top 27% in TX), and consulting-driven industry engagement, with 18 years of practice experience.
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. Hennessy experienced with office visit, established patient (20-29 min)?
Does Dr. Hennessy receive payments from pharmaceutical companies?
How do Dr. Hennessy's costs compare to other orthopaedic surgery of the spine physicians in Addison?
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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. 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.
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