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Data Sources: Centers for Medicare & Medicaid Services (CMS), Medicare Provider Utilization and Payment Data
Disclaimer: This site is an independent journalism project. Data analysis and editorial content are not affiliated with or endorsed by CMS or any government agency. All spending figures are based on publicly available Medicare payment records.
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ยฉ 2026 OpenMedicare. Independent data journalism. Built by TheDataProject.ai

Methodologyโ€ขDownload Data
  1. Home
  2. Providers
  3. Thomas Kartis
๐Ÿ”ช
MDIndividual

Thomas Kartis, M.D.

NPI: 1265451652
Port Charlotte, FL
10 years of data
Cardiac Surgery
$5.2M
Total Payments
7.4K
Beneficiaries
9.2K
Services
2.38x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$5.2M
Specialty median$102.2K

๐Ÿ“‹ Key Findings

1Billed $5.2M over 10 years
22.38x markup ratio (above median)
399th percentile in Cardiac Surgery by payments
4Payments surged 560% in 2015
59 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $5.2M in total Medicare payments ranks in the 99th percentile of Cardiac Surgery providers nationally.

Medicare payments to this provider grew 420% from 2014 to 2023.

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Markup Ratio Over Time

๐Ÿ“ˆ

Notable: Payments increased 560% in 2015

Year-over-year payment surges can indicate changes in practice volume, new services, or billing pattern shifts.

Submitted Charges vs. Medicare Payments

Average per-service amounts submitted by the provider compared to what Medicare actually paid โ€” the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$563.72$211.152.67x$352.57$105.7K896716
2015$3.2K$1.3K2.47x$1.9K$697.6K943752
2016$2.7K$1.1K2.46x$1.6K$671.0K996784
2017$2.9K$1.0K2.81x$1.8K$578.8K1.0K784
2018$1.8K$842.652.14x$961.21$349.1K798635
2019$2.0K$958.672.06x$1.0K$407.9K661547
2020$3.6K$1.4K2.59x$2.2K$635.1K950729
2021$3.0K$1.2K2.62x$1.9K$664.4K1.1K889
2022$2.9K$1.2K2.52x$1.8K$528.2K927738
2023$2.9K$981.203.00x$2.0K$549.6K970783

Top Procedures (20)

37227Removal of plaque and insertion of stents into arteries in one leg, endovascular, accessed through the skin or open procedure
$2.8M
275 services$10.0K/svc1.88x markup
37229Removal of plaque in artery in one leg, endovascular, accessed through the skin or open procedureโš  3.1x markup
$822.1K
140 services$5.9K/svc3.09x markup
37238Insertion of intravascular stents in vein, open or accessed through the skin, with radiological supervision and interpretation
$377.7K
129 services$2.9K/svc2.73x markup
99213Established patient office or other outpatient visit, typically 15 minutes
$185.1K
3.1K services$59.55/svc1.68x markup
37228Balloon dilation of artery of one leg, endovascular, accessed through the skin or open procedureโš  4.9x markup
$139.5K
101 services$1.4K/svc4.88x markup
37252Ultrasound evaluation of blood vessel during diagnosis or treatmentโš  3.3x markup
$131.6K
144 services$914.09/svc3.28x markup
37225Removal of plaque in arteries in one leg, endovascular, accessed through the skin or open procedure
$118.0K
14 services$8.4K/svc2.37x markup
35301Removal of blood clot and portion of artery of neck
$98.3K
101 services$973.10/svc1.69x markup
99204New patient office or other outpatient visit, typically 45 minutes
$57.6K
447 services$128.95/svc1.73x markup
99203New patient office or other outpatient visit, typically 30 minutes
$51.6K
603 services$85.62/svc2.31x markup
37220Balloon dilation of artery in one side of groin, endovascular, accessed through the skin or open procedureโš  5.0x markup
$49.5K
36 services$1.4K/svc5.01x markup
36011Insertion of catheter into veinโš  3.8x markup
$46.6K
135 services$345.46/svc3.75x markup
99214Established patient office or other outpatient, visit typically 25 minutes
$40.6K
466 services$87.13/svc1.54x markup
37232Balloon dilation of artery in one leg, endovascular, accessed through the skin or open procedureโš  4.3x markup
$37.1K
59 services$628.30/svc4.26x markup
99222Initial hospital inpatient care, typically 50 minutes per day
$33.4K
308 services$108.43/svc1.96x markup
37253Ultrasound evaluation of blood vessel during diagnosis or treatmentโš  3.3x markup
$20.9K
139 services$150.15/svc3.33x markup
36556Insertion of central venous catheter for infusion, patient 5 years or olderโš  3.6x markup
$20.7K
250 services$82.65/svc3.65x markup
99212Established patient office or other outpatient visit, typically 10 minutes
$20.4K
528 services$38.62/svc2.04x markup
99221Initial hospital inpatient care, typically 30 minutes per day
$16.2K
201 services$80.64/svc2.00x markup
37239Insertion of stent in vein with review by radiologist, each additional veinโš  3.1x markup
$14.3K
11 services$1.3K/svc3.14x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
37227Removal of plaque and insertion of stents into arteries in one leg, endovascular, accessed through the skin or open procedure275$2.8M$10.0K1.88x
37229Removal of plaque in artery in one leg, endovascular, accessed through the skin or open procedure140$822.1K$5.9K3.09x
37238Insertion of intravascular stents in vein, open or accessed through the skin, with radiological supervision and interpretation129$377.7K$2.9K2.73x
99213Established patient office or other outpatient visit, typically 15 minutes3.1K$185.1K$59.551.68x
37228Balloon dilation of artery of one leg, endovascular, accessed through the skin or open procedure101$139.5K$1.4K4.88x
37252Ultrasound evaluation of blood vessel during diagnosis or treatment144$131.6K$914.093.28x
37225Removal of plaque in arteries in one leg, endovascular, accessed through the skin or open procedure14$118.0K$8.4K2.37x
35301Removal of blood clot and portion of artery of neck101$98.3K$973.101.69x
99204New patient office or other outpatient visit, typically 45 minutes447$57.6K$128.951.73x
99203New patient office or other outpatient visit, typically 30 minutes603$51.6K$85.622.31x
37220Balloon dilation of artery in one side of groin, endovascular, accessed through the skin or open procedure36$49.5K$1.4K5.01x
36011Insertion of catheter into vein135$46.6K$345.463.75x
99214Established patient office or other outpatient, visit typically 25 minutes466$40.6K$87.131.54x
37232Balloon dilation of artery in one leg, endovascular, accessed through the skin or open procedure59$37.1K$628.304.26x
99222Initial hospital inpatient care, typically 50 minutes per day308$33.4K$108.431.96x
37253Ultrasound evaluation of blood vessel during diagnosis or treatment139$20.9K$150.153.33x
36556Insertion of central venous catheter for infusion, patient 5 years or older250$20.7K$82.653.65x
99212Established patient office or other outpatient visit, typically 10 minutes528$20.4K$38.622.04x
99221Initial hospital inpatient care, typically 30 minutes per day201$16.2K$80.642.00x
37239Insertion of stent in vein with review by radiologist, each additional vein11$14.3K$1.3K3.14x

Markup Analysis

Charge-to-Payment Ratio

2.38x

This provider submits charges 2.38 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.38x means for every $100 Medicare pays, this provider initially charges $238. This is higher than the national average.

Location

Port Charlotte, FL

Provider Verification

Always verify provider credentials and location before scheduling appointments. This data reflects Medicare payments and may not include all practice locations.

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Data Sources

  • โ€ข Centers for Medicare & Medicaid Services (CMS)
  • โ€ข Medicare Provider Utilization and Payment Data (2014-2023)
  • โ€ข National Plan and Provider Enumeration System (NPPES)

Last Updated: February 2026 (data through 2023, the latest CMS release)

Note: All data is from publicly available Medicare records. OpenMedicare is an independent journalism project not affiliated with CMS.

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