Dr. Mark Ghilarducci, M.D.
What this data tells you about Dr. Ghilarducci
Dr. Mark Ghilarducci is an adult reconstructive orthopaedic surgery physician in Oxnard, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Ghilarducci performed 11,521 Medicare services across 1,207 unique beneficiaries.
Between the years covered by Open Payments, Dr. Ghilarducci received a total of $3,914 from 13 pharmaceutical and/or device companies across 51 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in adult reconstructive orthopaedic surgery physician. 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. Ghilarducci 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 |
|---|---|---|---|
| Joint lubricant injection (Gel-Syn) An injection of hyaluronan or its derivative into a joint space to supplement joint fluid. |
9,072 | $1 | $5 |
| Joint lubricant injection (Durolane) An injection of hyaluronan or its derivative, specifically Durolane, administered directly into a joint space. |
720 | $5 | $35 |
| 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. |
310 | $100 | $268 |
| Betamethasone steroid injection An injection containing a combination of betamethasone acetate and betamethasone sodium phosphate. |
270 | $5 | $8 |
| 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. |
228 | $75 | $189 |
| Joint injection, major joint Removal of fluid from a large joint and/or injection of medication into the joint space. |
200 | $55 | $218 |
| Knee X-ray, 4 or more views An imaging test using X-rays to create multiple pictures of the knee joint from different angles. |
119 | $40 | $105 |
| Gadolinium MRI contrast injection Administration of a gadolinium-based contrast agent to enhance magnetic resonance imaging. The dose is measured per milliliter of the agent injected. |
106 | $1 | $20 |
| New patient office visit (30-44 min) An initial office visit for a new patient lasting between 30 and 44 minutes. This code is used when the total time spent on the date of the encounter falls within this range. |
100 | $80 | $230 |
| MRI of leg joint, without contrast A magnetic resonance imaging scan of a joint in the leg performed without the use of contrast dye. |
84 | $135 | $642 |
| Shoulder X-ray, 2+ views An X-ray imaging test of the shoulder joint using at least two different angles to visualize the bones and surrounding structures. |
76 | $31 | $88 |
| Knee X-ray, 3 views An X-ray imaging test of the knee joint that captures three different angles to evaluate the bones and surrounding structures. |
46 | $35 | $92 |
| MRI of lower spine, without contrast A magnetic resonance imaging scan of the lower spinal canal that does not use contrast dye to create detailed images of the spine. |
43 | $124 | $739 |
| Knee X-ray, 1-2 views An X-ray imaging test of the knee joint using one to two different angles to visualize the bones and surrounding structures. |
32 | $27 | $82 |
| Hip X-ray, 2-3 views An X-ray imaging test of the hip joint using two to three different angles to visualize the bones and surrounding structures. |
28 | $38 | $95 |
| Ankle X-ray, minimum 3 views An X-ray imaging test of the ankle that captures at least three different angles to evaluate the bones and joints. |
24 | $32 | $85 |
| Foot X-ray, 3+ views An X-ray imaging test of the foot that captures at least three different views to evaluate the bones and joints. |
15 | $32 | $84 |
| X-ray of lower and sacral spine, 2-3 views An X-ray imaging test that captures 2 to 3 views of the lower back and sacral spine to visualize the bones and joints in this area. |
14 | $30 | $107 |
| Arthroscopic removal of knee cartilage A minimally invasive surgical procedure to remove damaged or loose pieces of cartilage from the knee joint using a small camera and instruments inserted through tiny incisions. |
12 | $447 | $1,765 |
| MRI of arm joint with and without contrast An MRI scan of the arm joint performed both before and after the administration of contrast dye to provide detailed images of the joint structures. |
11 | $281 | $1,325 |
| 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. |
11 | $100 | $344 |
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 (2018-2024) ›
Associated products mentioned in payments ›
Most payments (78%) 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. Ghilarducci is a mixed practice specialist, with above-average Medicare volume (top 4% in CA), 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. Ghilarducci experienced with joint lubricant injection (gel-syn)?
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How do Dr. Ghilarducci's costs compare to other adult reconstructive orthopaedic surgery physicians in Oxnard?
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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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