Dr. Ki Hassler, D.O.
What this data tells you about Dr. Hassler
Dr. Ki Hassler is a cardiovascular disease in Venice, FL, with 19 years in practice. Based on federal Medicare data, Dr. Hassler performed 11,567 Medicare services across 6,905 unique beneficiaries.
Between the years covered by Open Payments, Dr. Hassler received a total of $5,952 from 10 pharmaceutical and/or device companies across 102 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. Hassler 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) | 1,798 | $63 | $112 |
| Office visit, established patient (30-39 min) | 1,014 | $94 | $164 |
| Echocardiogram, transthoracic | 902 | $132 | $304 |
| Evaluation of cardiac rhythm monitor system, remote up to 30 days | 896 | $20 | $49 |
| Electrocardiogram (EKG), 12-lead | 868 | $11 | $26 |
| Interrogation device evaluation(s), (remote) up to 30 days; implantable cardiovascular physiologic monitor system, implantable loop recorder system, or subcutaneous cardiac rhythm monitor system, remote data acquisition(s), receipt of transmissions and tec | 804 | $28 | $58 |
| Remote pacemaker/defibrillator monitoring, 90 days | 448 | $16 | $37 |
| Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 379 | $16 | $34 |
| Remote pacemaker monitoring, 90 days | 377 | $22 | $47 |
| Prothrombin time test (blood clotting) | 367 | $4 | $6 |
| Technetium tc-99m sestamibi, diagnostic, per study dose | 356 | $89 | $142 |
| Regadenoson injection (Lexiscan) for heart stress test | 356 | $43 | $88 |
| Office visit, established patient, complex (40-54 min) | 290 | $130 | $220 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | 225 | $48 | $106 |
| New patient office visit (45-59 min) | 204 | $115 | $249 |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | 178 | $330 | $707 |
| Programming of dual lead pacemaker system | 175 | $55 | $97 |
| Anticoagulant management of patient taking warfarin | 164 | $9 | $17 |
| Ultrasound of both sides of head and neck blood flow | 162 | $109 | $297 |
| New patient office visit, complex (60-74 min) | 159 | $153 | $314 |
| Heart rhythm recording continous external ekg over more than 48 hours up to 7 days | 148 | $9 | $22 |
| Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days | 148 | $18 | $38 |
| New patient office visit (30-44 min) | 136 | $80 | $164 |
| Evaluation of implantable heart and blood vessel monitoring system | 92 | $41 | $63 |
| Heart rhythm recording of continous external ekg over 8-15 days | 90 | $9 | $22 |
| Heart rhythm review and interpretation of continous external ekg over 8-15 days | 90 | $19 | $41 |
| Programming of cardiac rhythm monitor system | 80 | $42 | $73 |
| Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days | 77 | $27 | $68 |
| Hospital follow-up visit, moderate complexity | 63 | $63 | $111 |
| Hospital follow-up visit, low complexity | 53 | $39 | $60 |
| Insertion of heart rhythm monitor under skin | 51 | $3,297 | $7,338 |
| Ultrasound of heart with probe in esophagus, with report | 42 | $83 | $367 |
| Ultrasound of heart blood flow, valves and chambers | 41 | $14 | $79 |
| Evaluation of single, dual, multiple lead or leadless pacemaker system | 37 | $39 | $66 |
| Programming of multiple lead implantable defibrillator system | 36 | $82 | $138 |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | 36 | $15 | $37 |
| Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days | 34 | $21 | $69 |
| Ultrasound of heart, follow-up | 31 | $69 | $145 |
| Ultrasound of heart blood flow, valves and chambers, follow-up | 31 | $18 | $40 |
| Hospital follow-up visit, high complexity | 31 | $92 | $159 |
| Programming of single lead pacemaker system | 26 | $45 | $83 |
| Programming of dual lead implantable defibrillator system | 25 | $71 | $127 |
| Programming of multiple lead pacemaker system | 18 | $63 | $104 |
| Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts | 16 | $104 | $279 |
| External shock to heart to regulate heart beat | 13 | $86 | $240 |
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
6.4 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. Hassler is a remote & electrophysiology specialist, with above-average Medicare volume (top 6% in FL), and low-engagement industry engagement, with 19 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. Hassler experienced with office visit, established patient (20-29 min)?
Does Dr. Hassler receive payments from pharmaceutical companies?
How do Dr. Hassler's costs compare to other cardiovascular diseases in Venice?
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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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