Dr. Thomas Shimshak, M.D.
What this data tells you about Dr. Shimshak
Dr. Thomas Shimshak is an interventional cardiology specialist in Sebring, FL, with 19 years of NPI registration. Based on federal Medicare data, Dr. Shimshak performed 1,212 Medicare services across 1,099 unique beneficiaries.
Between the years covered by Open Payments, Dr. Shimshak received a total of $52,577 from 21 pharmaceutical and/or device companies across 213 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in interventional cardiology. 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. Shimshak 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 |
|---|---|---|---|---|
| Medical Doctor | 122398 | Clear | January 31, 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 |
|---|---|---|---|
| Sedation by physician, initial 15 minutes Administration of a drug to induce depression of consciousness by the physician performing a procedure. This code covers the initial 15 minutes of sedation for patients aged 5 years or older. |
355 | $10 | $39 |
| Cardiac catheterization | 203 | $189 | $905 |
| Coronary stent placement A procedure to insert a stent into a coronary artery or its branch to keep it open, using balloon dilation during the process. |
140 | $428 | $1,834 |
| 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. |
76 | $49 | $200 |
| Initial hospital admission, low complexity Initial hospital inpatient or observation care for a new patient involving straightforward or low-level medical decision making, with at least 40 minutes total time on the date of the encounter. |
59 | $66 | $255 |
| New patient office visit, complex (60-74 min) | 56 | $137 | $548 |
| Insertion of tube in left lower heart chamber, coronary artery and bypass graft for diagnosis with review by radiologist | 44 | $209 | $1,026 |
| Coronary angiography A procedure to insert a tube into a coronary artery to capture diagnostic images of the heart's blood vessels. |
41 | $144 | $734 |
| Initial hospital admission, moderate complexity Initial hospital inpatient or observation care for a new patient involving moderate-level medical decision making, with at least 55 minutes total time on the date of the encounter. |
34 | $104 | $396 |
| 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. |
28 | $78 | $295 |
| Office visit, established patient (10-19 min) An office visit for an existing patient lasting 10 to 19 minutes. The visit involves medical evaluation and management of the patient's condition. |
27 | $18 | $107 |
| Arterial tube insertion, first branch A procedure to insert a tube into the first branch of an artery in the abdomen, pelvis, or leg. |
25 | $134 | $726 |
| Ultrasound of heart blood vessel or graft An ultrasound exam to evaluate blood flow in a heart blood vessel or graft, including a radiologist's review of the initial vessel. |
25 | $77 | $509 |
| Radiologist review of arm or leg artery image A radiologist reviews images of the arteries in the arm or leg. This process involves analyzing the visual data to assess the blood vessels. |
20 | $67 | $255 |
| Coronary stent placement with plaque removal A procedure to clear plaque from a single coronary artery, followed by the insertion of a stent and/or balloon dilation to keep the vessel open. |
16 | $401 | $1,829 |
| Hospital discharge day management, 30 minutes or less This service covers the final day of hospital care when the patient is being discharged. It includes coordination of care and instructions for the patient within a time frame of 30 minutes or less. |
14 | $64 | $244 |
| Kidney artery catheterization for imaging A tube is inserted into the main and accessory arteries of both kidneys to allow for imaging. A radiologist reviews the images. |
13 | $203 | $1,109 |
| Intravascular ultrasound of heart vessel, initial An ultrasound procedure used to evaluate a blood vessel within the heart during a diagnostic or treatment procedure. |
13 | $40 | $135 |
| Stent placement and plaque removal in one vessel A procedure to clear plaque and blood clots from a single blood vessel, followed by the insertion of a stent and/or balloon dilation to keep the vessel open. |
12 | $537 | $2,056 |
| Tube insertion in bypass graft for diagnosis A tube is inserted into a bypass graft to allow for diagnostic evaluation. A radiologist reviews the procedure. |
11 | $206 | $855 |
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 (95%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in interventional cardiology and does not inherently indicate bias, but patients may wish to be aware. Total industry engagement is in the top 10% for interventional cardiology in FL.
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. Shimshak is an interventional cardiology specialist, with moderate Medicare volume, with speaking/promotional industry engagement in the top 10% of FL peers, with 19 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
Is Dr. Shimshak experienced with sedation by physician, initial 15 minutes?
Does Dr. Shimshak receive payments from pharmaceutical companies?
How do Dr. Shimshak's costs compare to other interventional cardiologists in Sebring?
What does Data Coverage mean?
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.
Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology