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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. William Harris
๐Ÿ”ช
DOIndividual

William Harris, D.O.

NPI: 1548440050
Chattanooga, TN
9 years of data
General Surgery
$4.3M
Total Payments
19.0K
Beneficiaries
22.0K
Services
4.17x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$4.3M
Specialty median$42.2K

๐Ÿ“‹ Key Findings

1Billed $4.3M over 9 years
24.17x markup ratio (above median)
399th percentile in General Surgery by payments
4Payments surged 522% in 2018
520 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $4.3M in total Medicare payments ranks in the 99th percentile of General Surgery providers nationally.

Medicare payments to this provider grew 23905% 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

๐Ÿ“ˆ

Notable: Payments increased 522% in 2018

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
2015$313.92$96.233.26x$217.69$6.3K6764
2016$319.91$81.833.91x$238.08$16.7K214201
2017$375.98$96.203.91x$279.78$5.9K7267
2018$307.96$77.163.99x$230.80$36.7K493488
2019$439.37$110.023.99x$329.35$83.5K908848
2020$901.44$146.236.16x$755.21$219.7K1.9K1.8K
2021$3.4K$812.554.15x$2.6K$1.1M4.6K4.1K
2022$3.1K$719.524.36x$2.4K$1.2M6.7K5.7K
2023$2.6K$610.864.28x$2.0K$1.5M7.0K5.8K

Top Procedures (20)

37227Removal of plaque and insertion of stents into arteries in one leg, endovascular, accessed through the skin or open procedureโš  4.0x markup
$658.1K
77 services$8.5K/svc3.95x markup
93925Ultrasound study of arteries and arterial grafts of both legsโš  3.9x markup
$469.2K
2.7K services$173.96/svc3.92x markup
37229Removal of plaque in artery in one leg, endovascular, accessed through the skin or open procedureโš  4.6x markup
$426.9K
81 services$5.3K/svc4.61x markup
37225Removal of plaque in arteries in one leg, endovascular, accessed through the skin or open procedureโš  4.9x markup
$274.6K
50 services$5.5K/svc4.90x markup
93880Ultrasound scanning of blood flow (outside the brain) on both sides of head and neckโš  4.1x markup
$274.6K
2.1K services$130.50/svc4.13x markup
93978Ultrasound scan of vena cava or groin graft or vessel blood flowโš  4.3x markup
$240.4K
2.2K services$111.18/svc4.33x markup
37252Ultrasound evaluation of blood vessel during diagnosis or treatmentโš  3.9x markup
$229.4K
327 services$701.57/svc3.90x markup
93970Ultrasound scan of veins of both arms or legs including assessment of compression and functional maneuversโš  3.9x markup
$199.8K
1.5K services$135.71/svc3.87x markup
37238Insertion of intravascular stents in vein, open or accessed through the skin, with radiological supervision and interpretationโš  3.9x markup
$178.0K
64 services$2.8K/svc3.86x markup
36475Destruction of first incompetent vein of arm or leg using radiofrequency and imaging guidanceโš  3.9x markup
$146.1K
188 services$777.09/svc3.85x markup
36465Injection of chemical agent into single incompetent vein of leg using ultrasound guidanceโš  3.8x markup
$141.3K
148 services$954.81/svc3.80x markup
93922Ultrasound study of arteries of both arms and legsโš  4.8x markup
$141.3K
2.9K services$48.22/svc4.78x markup
93971Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuversโš  3.9x markup
$116.3K
1.4K services$84.85/svc3.91x markup
37221Insertion of stents in artery in one side of groin, endovascular, accessed through the skin or open procedureโš  4.9x markup
$68.9K
26 services$2.6K/svc4.87x markup
35301Removal of blood clot and portion of artery, by neck incisionโš  3.7x markup
$67.2K
82 services$819.77/svc3.74x markup
93926Ultrasound study of arteries and arterial grafts of one leg or limitedโš  4.9x markup
$64.5K
795 services$81.16/svc4.87x markup
93979Ultrasound scan of blood flow of aorta, vena cava, bypass graphs, or one side of the groin or limited scanโš  4.5x markup
$60.1K
827 services$72.68/svc4.53x markup
93975Ultrasound scan of abdominal, pelvic, and/or scrotal arterial inflow and venous outflowโš  4.0x markup
$58.9K
313 services$188.09/svc3.98x markup
36478Laser destruction of incompetent vein of arm or leg using imaging guidance, accessed through the skinโš  3.9x markup
$56.2K
75 services$749.69/svc3.94x markup
93923Ultrasound study of arteries of both arms and legs, completeโš  4.7x markup
$39.1K
519 services$75.35/svc4.70x 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 procedure77$658.1K$8.5K3.95x
93925Ultrasound study of arteries and arterial grafts of both legs2.7K$469.2K$173.963.92x
37229Removal of plaque in artery in one leg, endovascular, accessed through the skin or open procedure81$426.9K$5.3K4.61x
37225Removal of plaque in arteries in one leg, endovascular, accessed through the skin or open procedure50$274.6K$5.5K4.90x
93880Ultrasound scanning of blood flow (outside the brain) on both sides of head and neck2.1K$274.6K$130.504.13x
93978Ultrasound scan of vena cava or groin graft or vessel blood flow2.2K$240.4K$111.184.33x
37252Ultrasound evaluation of blood vessel during diagnosis or treatment327$229.4K$701.573.90x
93970Ultrasound scan of veins of both arms or legs including assessment of compression and functional maneuvers1.5K$199.8K$135.713.87x
37238Insertion of intravascular stents in vein, open or accessed through the skin, with radiological supervision and interpretation64$178.0K$2.8K3.86x
36475Destruction of first incompetent vein of arm or leg using radiofrequency and imaging guidance188$146.1K$777.093.85x
36465Injection of chemical agent into single incompetent vein of leg using ultrasound guidance148$141.3K$954.813.80x
93922Ultrasound study of arteries of both arms and legs2.9K$141.3K$48.224.78x
93971Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers1.4K$116.3K$84.853.91x
37221Insertion of stents in artery in one side of groin, endovascular, accessed through the skin or open procedure26$68.9K$2.6K4.87x
35301Removal of blood clot and portion of artery, by neck incision82$67.2K$819.773.74x
93926Ultrasound study of arteries and arterial grafts of one leg or limited795$64.5K$81.164.87x
93979Ultrasound scan of blood flow of aorta, vena cava, bypass graphs, or one side of the groin or limited scan827$60.1K$72.684.53x
93975Ultrasound scan of abdominal, pelvic, and/or scrotal arterial inflow and venous outflow313$58.9K$188.093.98x
36478Laser destruction of incompetent vein of arm or leg using imaging guidance, accessed through the skin75$56.2K$749.693.94x
93923Ultrasound study of arteries of both arms and legs, complete519$39.1K$75.354.70x

Markup Analysis

Charge-to-Payment Ratio

4.17x

This provider submits charges 4.17 times higher than what Medicare actually pays.

What This Means

A markup ratio of 4.17x means for every $100 Medicare pays, this provider initially charges $417. This is higher than the national average.

Location

Chattanooga, TN

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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