Dr. Harrison Mahon, MD
What this data tells you about Dr. Mahon
Dr. Harrison Mahon is a sports medicine (orthopaedic surgery) physician in Fleming Island, FL, with 11 years in practice. Based on federal Medicare data, Dr. Mahon performed 3,010 Medicare services across 1,482 unique beneficiaries.
Between the years covered by Open Payments, Dr. Mahon received a total of $13,869 from 10 pharmaceutical and/or device companies across 67 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in sports medicine (orthopaedic 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. Mahon 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 |
|---|---|---|---|
| Steroid injection (triamcinolone) | 1,277 | $1 | $5 |
| Office visit, established patient (20-29 min) | 478 | $63 | $220 |
| Joint injection, major joint | 341 | $52 | $355 |
| Shoulder X-ray, 2+ views | 255 | $24 | $107 |
| X-ray of knee, 4 or more views | 187 | $32 | $137 |
| New patient office visit (30-44 min) | 85 | $70 | $328 |
| Office visit, established patient (30-39 min) | 81 | $86 | $325 |
| Office visit, established patient (10-19 min) | 50 | $39 | $132 |
| Physical therapy exercise, per 15 min | 36 | $17 | $108 |
| Hyaluronan or derivative, monovisc, for intra-articular injection, per dose | 30 | $560 | $2,339 |
| X-ray of knee, 1-2 views | 27 | $23 | $94 |
| Manual therapy (hands-on treatment), per 15 min | 24 | $14 | $84 |
| New patient office visit (45-59 min) | 24 | $102 | $501 |
| X-ray of elbow, 2 views | 23 | $18 | $89 |
| Hip X-ray, 2-3 views | 22 | $25 | $123 |
| Initial hospital admission, high complexity | 19 | $122 | $623 |
| Prosthetic repair of shoulder joint, total shoulder | 15 | $1,096 | $5,611 |
| Removal of knee cartilage using an endoscope | 14 | $400 | $1,700 |
| Repair of shoulder rotator cuff using an endoscope | 11 | $853 | $4,600 |
| Initial hospital admission, moderate complexity | 11 | $90 | $421 |
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 (76%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in sports medicine (orthopaedic surgery) physician and does not inherently indicate bias, but patients may wish to be aware.
Geographic Context
5.3 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. Mahon is a clinical cardiology specialist, with moderate Medicare volume, and speaking/promotional industry engagement.
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. Mahon experienced with steroid injection (triamcinolone)?
Does Dr. Mahon receive payments from pharmaceutical companies?
How do Dr. Mahon's costs compare to other sports medicine (orthopaedic surgery) physicians in Fleming Island?
What does Data Coverage mean?
Is this data up to date?
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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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