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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.
Sister Sites: OpenMedicaid ยท OpenFeds ยท OpenSpending

ยฉ 2026 OpenMedicare. Independent data journalism. Built by TheDataProject.ai

Methodologyโ€ขDownload Data
  1. Home
  2. Providers
  3. John Davis
๐Ÿ”ช
MDIndividual

John Davis, MD

NPI: 1003858127
Houston, TX
10 years of data
Thoracic Surgery
$6.3M
Total Payments
8.9K
Beneficiaries
11.5K
Services
5.82x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$6.3M
Specialty median$71.0K

๐Ÿ“‹ Key Findings

1Billed $6.3M over 10 years
25.82x markup ratio (above median)
399th percentile in Thoracic Surgery by payments
4Payments surged 403% in 2020
520 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $6.3M in total Medicare payments ranks in the 99th percentile of Thoracic Surgery providers nationally.

Their average markup ratio of 5.82x is significantly above the specialty median of 4.7x.

Medicare payments to this provider grew 942% 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 403% 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 โ€” the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$770.41$223.933.44x$546.48$168.0K828728
2015$2.4K$329.437.23x$2.1K$287.4K1.1K1.0K
2016$748.67$223.833.34x$524.84$127.9K844758
2017$752.01$230.893.26x$521.12$175.9K992879
2018$1.1K$228.054.89x$887.56$132.1K754680
2019$1.1K$223.715.06x$908.78$159.4K949820
2020$3.4K$641.745.30x$2.8K$802.6K1.5K1.2K
2021$4.1K$758.775.37x$3.3K$1.3M1.6K1.1K
2022$5.2K$847.326.11x$4.3K$1.4M1.3K802
2023$7.5K$1.2K6.38x$6.3K$1.8M1.6K987

Top Procedures (20)

37229Removal of plaque in artery in one leg, endovascular, accessed through the skin or open procedureโš  5.1x markup
$2.6M
506 services$5.2K/svc5.06x markup
37225Removal of plaque in arteries in one leg, endovascular, accessed through the skin or open procedureโš  8.3x markup
$1.5M
570 services$2.6K/svc8.29x markup
37252Ultrasound evaluation of blood vessel during diagnosis or treatmentโš  5.4x markup
$312.1K
396 services$788.15/svc5.39x markup
33533Heart artery bypass to repair one arteryโš  3.7x markup
$309.4K
227 services$1.4K/svc3.72x markup
37227Removal of plaque and insertion of stents in arteries of legโš  5.4x markup
$162.4K
19 services$8.5K/svc5.38x markup
37220Balloon dilation of artery in one side of groin, endovascular, accessed through the skin or open procedureโš  8.5x markup
$111.0K
98 services$1.1K/svc8.49x markup
36482Chemical destruction of incompetent vein of arm or leg, accessed through the skin using imaging guidanceโš  4.4x markup
$93.5K
61 services$1.5K/svc4.42x markup
36475Destruction of insufficient vein of arm or leg, accessed through the skinโš  3.7x markup
$93.4K
80 services$1.2K/svc3.69x markup
35301Removal of blood clot and portion of artery of neckโš  3.6x markup
$79.8K
96 services$830.81/svc3.62x markup
93925Ultrasound study of arteries and arterial grafts of both legsโš  4.5x markup
$79.4K
438 services$181.24/svc4.50x markup
93970Ultrasound scan of veins of both arms or legs including assessment of compression and functional maneuversโš  4.2x markup
$64.7K
488 services$132.58/svc4.22x markup
37233Removal of plaque in artery in one leg, endovascular, accessed through the skin or open procedureโš  4.7x markup
$56.6K
71 services$797.31/svc4.65x markup
37253Ultrasound evaluation of blood vessel during diagnosis or treatmentโš  4.8x markup
$53.1K
396 services$134.16/svc4.77x markup
37228Balloon dilation of artery of one leg, endovascular, accessed through the skin or open procedureโš  4.8x markup
$48.2K
145 services$332.54/svc4.79x markup
37232Balloon dilation of artery in one leg, endovascular, accessed through the skin or open procedureโš  5.0x markup
$43.0K
120 services$358.05/svc4.96x markup
75625Radiological supervision and interpretation X-ray of abdominal aortaโš  4.3x markup
$42.3K
696 services$60.80/svc4.35x markup
37238Insertion of intravascular stents in vein, open or accessed through the skin, with radiological supervision and interpretationโš  9.7x markup
$40.9K
14 services$2.9K/svc9.66x markup
75710Radiological supervision and interpretation of imaging of artery of one arm or legโš  4.0x markup
$39.4K
508 services$77.61/svc4.03x markup
35475Balloon dilation of narrowed or blocked upper arm artery, accessed through the skinโš  12.8x markup
$37.7K
45 services$837.97/svc12.76x markup
99223Initial hospital inpatient care, typically 70 minutes per dayโš  3.9x markup
$37.2K
239 services$155.52/svc3.92x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
37229Removal of plaque in artery in one leg, endovascular, accessed through the skin or open procedure506$2.6M$5.2K5.06x
37225Removal of plaque in arteries in one leg, endovascular, accessed through the skin or open procedure570$1.5M$2.6K8.29x
37252Ultrasound evaluation of blood vessel during diagnosis or treatment396$312.1K$788.155.39x
33533Heart artery bypass to repair one artery227$309.4K$1.4K3.72x
37227Removal of plaque and insertion of stents in arteries of leg19$162.4K$8.5K5.38x
37220Balloon dilation of artery in one side of groin, endovascular, accessed through the skin or open procedure98$111.0K$1.1K8.49x
36482Chemical destruction of incompetent vein of arm or leg, accessed through the skin using imaging guidance61$93.5K$1.5K4.42x
36475Destruction of insufficient vein of arm or leg, accessed through the skin80$93.4K$1.2K3.69x
35301Removal of blood clot and portion of artery of neck96$79.8K$830.813.62x
93925Ultrasound study of arteries and arterial grafts of both legs438$79.4K$181.244.50x
93970Ultrasound scan of veins of both arms or legs including assessment of compression and functional maneuvers488$64.7K$132.584.22x
37233Removal of plaque in artery in one leg, endovascular, accessed through the skin or open procedure71$56.6K$797.314.65x
37253Ultrasound evaluation of blood vessel during diagnosis or treatment396$53.1K$134.164.77x
37228Balloon dilation of artery of one leg, endovascular, accessed through the skin or open procedure145$48.2K$332.544.79x
37232Balloon dilation of artery in one leg, endovascular, accessed through the skin or open procedure120$43.0K$358.054.96x
75625Radiological supervision and interpretation X-ray of abdominal aorta696$42.3K$60.804.35x
37238Insertion of intravascular stents in vein, open or accessed through the skin, with radiological supervision and interpretation14$40.9K$2.9K9.66x
75710Radiological supervision and interpretation of imaging of artery of one arm or leg508$39.4K$77.614.03x
35475Balloon dilation of narrowed or blocked upper arm artery, accessed through the skin45$37.7K$837.9712.76x
99223Initial hospital inpatient care, typically 70 minutes per day239$37.2K$155.523.92x

Markup Analysis

Charge-to-Payment Ratio

5.82x

This provider submits charges 5.82 times higher than what Medicare actually pays.

What This Means

A markup ratio of 5.82x means for every $100 Medicare pays, this provider initially charges $582. This is higher than the national average.

Location

Houston, TX

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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