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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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Methodology•Download Data
  1. Home
  2. Providers
  3. Matthew Comstock
❤️
DOIndividual

Matthew Comstock, D.O.

NPI: 1174750749
Tulsa, OK
9 years of data
Interventional Cardiology
$6.8M
Total Payments
14.4K
Beneficiaries
21.8K
Services
6.98x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$6.8M
Specialty median$201.5K

📋 Key Findings

1Billed $6.8M over 9 years
26.98x markup ratio (above median)
399th percentile in Interventional Cardiology by payments
4Payments surged 2730% in 2020
520 procedures with >3x markup
✓ No flags detected

🔎 Data Analysis

This provider's $6.8M in total Medicare payments ranks in the 99th percentile of Interventional Cardiology providers nationally.

Their average markup ratio of 6.98x is significantly above the specialty median of 4.0x.

Medicare payments to this provider grew 109810% from 2015 to 2023.

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Markup Ratio Over Time

📈

Notable: Payments increased 2730% in 2020

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 — the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2015$129.44$55.062.35x$74.38$2.4K4424
2016$362.42$121.812.98x$240.61$45.4K497465
2017$332.32$106.673.12x$225.65$116.9K1.5K1.3K
2018$301.21$95.263.16x$205.95$175.6K2.7K2.0K
2019$525.39$129.424.06x$395.97$22.5K223158
2020$5.2K$737.877.06x$4.5K$636.8K2.1K1.4K
2021$7.3K$956.227.59x$6.3K$1.2M3.2K2.2K
2022$5.7K$749.197.60x$4.9K$1.9M4.7K3.1K
2023$4.8K$621.387.71x$4.2K$2.7M6.8K3.7K

Top Procedures (20)

37229Removal of plaque in artery in one leg, endovascular, accessed through the skin or open procedure⚠ 8.3x markup
$1.7M
309 services$5.5K/svc8.31x markup
37227Removal of plaque and insertion of stents into arteries in one leg, endovascular, accessed through the skin or open procedure⚠ 7.2x markup
$1.5M
184 services$8.3K/svc7.24x markup
37225Removal of plaque in arteries in one leg, endovascular, accessed through the skin or open procedure⚠ 11.2x markup
$497.8K
128 services$3.9K/svc11.22x markup
37252Ultrasound evaluation of blood vessel during diagnosis or treatment⚠ 6.8x markup
$443.8K
701 services$633.11/svc6.76x markup
37231Removal of plaque and insertion of stents into artery in one leg, endovascular, accessed through the skin or open procedure⚠ 6.7x markup
$329.3K
35 services$9.4K/svc6.74x markup
99214Established patient office or other outpatient, visit typically 25 minutes⚠ 3.5x markup
$290.1K
3.3K services$87.44/svc3.52x markup
33285Insertion of heart rhythm monitor under skin⚠ 6.3x markup
$275.8K
82 services$3.4K/svc6.33x markup
93229Heart rhythm tracing, computer analysis, physician prescribed transmission of patient-triggered events greater than 24-hour EKG up to 30 days⚠ 3.5x markup
$177.8K
314 services$566.12/svc3.52x markup
93925Ultrasound study of arteries and arterial grafts of both legs⚠ 3.5x markup
$131.8K
799 services$164.96/svc3.55x markup
93306Ultrasound examination of heart including color-depicted blood flow rate, direction, and valve function⚠ 3.9x markup
$123.5K
1.3K services$92.14/svc3.86x markup
37253Ultrasound evaluation of blood vessel during diagnosis or treatment⚠ 6.3x markup
$80.6K
670 services$120.27/svc6.35x markup
37238Insertion of intravascular stents in vein, open or accessed through the skin, with radiological supervision and interpretation⚠ 6.4x markup
$74.9K
29 services$2.6K/svc6.43x markup
37233Removal of plaque in artery in one leg, endovascular, accessed through the skin or open procedure, each additional vessel⚠ 6.6x markup
$72.1K
91 services$791.84/svc6.64x markup
99205New patient office or other outpatient visit, typically 60 minutes⚠ 3.5x markup
$65.4K
429 services$152.40/svc3.51x markup
93880Ultrasound scanning of blood flow (outside the brain) on both sides of head and neck⚠ 3.9x markup
$60.1K
511 services$117.68/svc3.90x markup
37228Balloon dilation of artery of one leg, endovascular, accessed through the skin or open procedure⚠ 10.7x markup
$56.7K
45 services$1.3K/svc10.73x markup
36012Insertion of catheter into vein⚠ 5.4x markup
$56.2K
87 services$646.36/svc5.42x markup
37232Balloon dilation of artery in one leg, endovascular, accessed through the skin or open procedure⚠ 6.8x markup
$53.1K
85 services$624.95/svc6.75x markup
93923Ultrasound study of arteries of both arms and legs⚠ 4.3x markup
$50.2K
677 services$74.22/svc4.35x markup
99204New patient office or other outpatient visit, typically 45 minutes⚠ 3.9x markup
$42.0K
364 services$115.42/svc3.86x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
37229Removal of plaque in artery in one leg, endovascular, accessed through the skin or open procedure309$1.7M$5.5K8.31x
37227Removal of plaque and insertion of stents into arteries in one leg, endovascular, accessed through the skin or open procedure184$1.5M$8.3K7.24x
37225Removal of plaque in arteries in one leg, endovascular, accessed through the skin or open procedure128$497.8K$3.9K11.22x
37252Ultrasound evaluation of blood vessel during diagnosis or treatment701$443.8K$633.116.76x
37231Removal of plaque and insertion of stents into artery in one leg, endovascular, accessed through the skin or open procedure35$329.3K$9.4K6.74x
99214Established patient office or other outpatient, visit typically 25 minutes3.3K$290.1K$87.443.52x
33285Insertion of heart rhythm monitor under skin82$275.8K$3.4K6.33x
93229Heart rhythm tracing, computer analysis, physician prescribed transmission of patient-triggered events greater than 24-hour EKG up to 30 days314$177.8K$566.123.52x
93925Ultrasound study of arteries and arterial grafts of both legs799$131.8K$164.963.55x
93306Ultrasound examination of heart including color-depicted blood flow rate, direction, and valve function1.3K$123.5K$92.143.86x
37253Ultrasound evaluation of blood vessel during diagnosis or treatment670$80.6K$120.276.35x
37238Insertion of intravascular stents in vein, open or accessed through the skin, with radiological supervision and interpretation29$74.9K$2.6K6.43x
37233Removal of plaque in artery in one leg, endovascular, accessed through the skin or open procedure, each additional vessel91$72.1K$791.846.64x
99205New patient office or other outpatient visit, typically 60 minutes429$65.4K$152.403.51x
93880Ultrasound scanning of blood flow (outside the brain) on both sides of head and neck511$60.1K$117.683.90x
37228Balloon dilation of artery of one leg, endovascular, accessed through the skin or open procedure45$56.7K$1.3K10.73x
36012Insertion of catheter into vein87$56.2K$646.365.42x
37232Balloon dilation of artery in one leg, endovascular, accessed through the skin or open procedure85$53.1K$624.956.75x
93923Ultrasound study of arteries of both arms and legs677$50.2K$74.224.35x
99204New patient office or other outpatient visit, typically 45 minutes364$42.0K$115.423.86x

Markup Analysis

Charge-to-Payment Ratio

6.98x

This provider submits charges 6.98 times higher than what Medicare actually pays.

What This Means

A markup ratio of 6.98x means for every $100 Medicare pays, this provider initially charges $698. This is higher than the national average.

Location

Tulsa, OK

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

  • • Centers for Medicare & Medicaid Services (CMS)
  • • Medicare Provider Utilization and Payment Data (2014-2023)
  • • 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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