Dr. Marguerite Ball-Thomas, O.D.
What this data tells you about Dr. Ball-Thomas
Dr. Marguerite Ball-Thomas is a corneal and contact management optometrist in Winter Park, FL, with 20 years of NPI registration. Based on federal Medicare data, Dr. Ball-Thomas performed 699 Medicare services across 537 unique beneficiaries.
Between the years covered by Open Payments, Dr. Ball-Thomas received a total of $10,486 from 35 pharmaceutical and/or device companies across 199 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in corneal and contact management optometrist. 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. Ball-Thomas 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.
Florida License Status
FL DOH · MQA| Profession | License # | Status | Expires | Board Action |
|---|---|---|---|---|
| Optometrist | 2336 | Clear | February 28, 2027 | — |
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 (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. |
222 | $95 | $140 |
| 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. |
116 | $67 | $110 |
| Retinal imaging (OCT scan) This procedure involves imaging the retina to visualize its structure. It is used to examine the back of the eye. |
107 | $30 | $45 |
| Visual field test, extended A test that maps your complete field of vision to detect blind spots or peripheral vision loss. Extended testing provides a more detailed assessment than a standard visual field exam. |
47 | $44 | $84 |
| Optic nerve imaging (OCT scan) Imaging of the optic nerve. |
41 | $24 | $45 |
| Eye drainage system examination An examination of the internal drainage system of the eye to assess how fluid flows and drains from the eye. |
36 | $20 | $49 |
| Dark adaptation test This test evaluates how well your eyes adjust to changes in light and dark conditions. It includes an interpretation of the results and a formal report. |
32 | $34 | $70 |
| 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. |
32 | $122 | $180 |
| Cataract surgery with lens implant Surgical removal of the clouded natural lens of the eye and replacement with an artificial prosthetic lens to restore vision. |
22 | $85 | $200 |
| Eye photography Photographic imaging of the interior structures of the eye. |
20 | $16 | $33 |
| Retinal photography (fundus photo) This procedure involves taking photographs of the retina, the light-sensitive tissue at the back of the eye. It is used to document the condition of the eye's interior structures. |
13 | $29 | $55 |
| Immunoassay substance analysis, multiple step method A laboratory test that uses an immunoassay technique to analyze a substance. The process involves multiple steps to detect or measure the target material. |
11 | $11 | $20 |
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 ›
Most payments (99%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians. Total industry engagement is in the top 7% for corneal and contact management optometrist in FL.
Geographic Context
4.7 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. Ball-Thomas is a clinical cardiology specialist, with above-average Medicare volume (top 19% in FL), with low-engagement industry engagement in the top 7% of FL peers, with 20 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
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How do Dr. Ball-Thomas's costs compare to other corneal and contact management optometrists in Winter Park?
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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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