Dr. James London, M.D.
What this data tells you about Dr. London
Dr. James London is a cardiovascular disease in Ocala, FL, with 20 years in practice. Based on federal Medicare data, Dr. London performed 4,707 Medicare services across 2,826 unique beneficiaries.
Between the years covered by Open Payments, Dr. London received a total of $14,320 from 46 pharmaceutical and/or device companies across 245 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in cardiovascular disease. 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. London 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 (30-39 min) | 861 | $91 | $248 |
| Office visit, established patient (20-29 min) | 765 | $61 | $176 |
| Electrocardiogram (EKG), 12-lead | 613 | $10 | $48 |
| Prothrombin time test (blood clotting) | 407 | $4 | $9 |
| Technetium tc-99m sestamibi, diagnostic, per study dose | 362 | $89 | $236 |
| Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 348 | $15 | $44 |
| Regadenoson injection (Lexiscan) for heart stress test | 317 | $43 | $94 |
| Echocardiogram, transthoracic | 289 | $140 | $373 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | 182 | $48 | $202 |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | 181 | $328 | $826 |
| New patient office visit (45-59 min) | 132 | $123 | $326 |
| Electrocardiogram (ecg) 2-day continuous with review and report by health care professional | 81 | $47 | $138 |
| Programming of dual lead pacemaker system | 57 | $27 | $71 |
| Ultrasound of both sides of head and neck blood flow | 42 | $137 | $480 |
| Blood draw (venipuncture) | 30 | $8 | $14 |
| Basic metabolic blood panel | 15 | $8 | $17 |
| Ct scan of heart with evaluation of blood vessel calcium | 13 | $80 | $196 |
| Natriuretic peptide (heart and blood vessel protein) level | 12 | $38 | $79 |
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 (100%) 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 measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. London is a clinical cardiology specialist, with above-average Medicare volume (top 23% in FL), and high industry engagement (low-engagement, top 18%), with 20 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. London experienced with office visit, established patient (30-39 min)?
Does Dr. London receive payments from pharmaceutical companies?
How do Dr. London's costs compare to other cardiovascular diseases in Ocala?
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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 ↗, 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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