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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. Gastrointestinal Associates Endoscopy Center, Llc
๐Ÿ”ช
Organization

Gastrointestinal Associates Endoscopy Center, Llc

NPI: 1558553859
Madison, MS
10 years of data
Ambulatory Surgical Center
$11.0M
Total Payments
39.4K
Beneficiaries
40.1K
Services
6.15x
Markup Ratio

Peer Comparison

97th
percentile in specialty
This provider$11.0M
Specialty median$657.1K

๐Ÿ“‹ Key Findings

1Billed $11.0M over 10 years
26.15x markup ratio (above median)
397th percentile in Ambulatory Surgical Center by payments
417 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $11.0M in total Medicare payments ranks in the 97th percentile of Ambulatory Surgical Center providers nationally.

Their average markup ratio of 6.15x is significantly above the specialty median of 6.1x.

Medicare payments to this provider grew 114% 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

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$1.4K$215.206.43x$1.2K$671.1K2.8K2.8K
2015$1.6K$260.386.10x$1.3K$791.3K3.1K3.1K
2016$1.6K$263.156.06x$1.3K$1.1M4.4K4.3K
2017$1.5K$240.736.22x$1.3K$1.3M5.0K4.8K
2018$1.5K$251.815.85x$1.2K$1.1M4.2K4.1K
2019$1.5K$257.815.80x$1.2K$1.2M4.4K4.4K
2020$1.5K$271.265.38x$1.2K$948.7K3.4K3.4K
2021$1.4K$277.195.22x$1.2K$1.1M3.9K3.9K
2022$1.7K$362.084.82x$1.4K$1.4M4.5K4.4K
2023$1.8K$426.104.12x$1.3K$1.4M4.3K4.3K

Top Procedures (20)

45380Biopsy of large bowel using an endoscopeโš  6.8x markup
$3.2M
10.5K services$303.30/svc6.80x markup
43239Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscopeโš  5.0x markup
$2.0M
10.2K services$199.62/svc4.96x markup
45385Removal of polyps or growths of large bowel using an endoscopeโš  6.8x markup
$1.9M
5.3K services$355.35/svc6.83x markup
G0105Colorectal cancer screening; colonoscopy on individual at high riskโš  5.9x markup
$1.1M
3.4K services$327.71/svc5.94x markup
43248Insertion of guide wire with dilation of esophagus using an endoscopeโš  6.0x markup
$975.4K
4.0K services$245.62/svc6.04x markup
G0121Colorectal cancer screening; colonoscopy on individual not meeting criteria for high riskโš  6.0x markup
$644.8K
2.0K services$322.58/svc6.04x markup
45378Diagnostic examination of large bowel using an endoscopeโš  8.1x markup
$481.7K
2.0K services$241.07/svc8.06x markup
43235Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscopeโš  5.2x markup
$146.8K
583 services$251.86/svc5.23x markup
45381Injections of large bowel using an endoscopeโš  3.1x markup
$135.2K
696 services$194.29/svc3.14x markup
45331Biopsy of large bowel using an endoscopeโš  3.5x markup
$83.2K
385 services$216.11/svc3.53x markup
43249Balloon dilation of esophagus using an endoscopeโš  3.9x markup
$78.7K
169 services$465.68/svc3.90x markup
43251Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscopeโš  3.0x markup
$69.9K
151 services$462.59/svc3.01x markup
46946Tying of multiple internal hemorrhoid groups
$63.6K
73 services$871.19/svc1.84x markup
46945Tying of single internal hemorrhoid group
$34.7K
41 services$846.12/svc1.89x markup
45330Diagnostic examination of large bowel using an endoscopeโš  9.5x markup
$22.7K
288 services$78.67/svc9.54x markup
43259Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscopeโš  4.6x markup
$20.4K
39 services$523.33/svc4.56x markup
45390Removal of large bowel tissue using an endoscopeโš  5.7x markup
$17.9K
42 services$426.64/svc5.74x markup
45388Destruction of large bowel growths using an endoscopeโš  7.6x markup
$16.9K
52 services$324.07/svc7.56x markup
G0104Colorectal cancer screening; flexible sigmoidoscopyโš  14.3x markup
$12.3K
103 services$119.04/svc14.29x markup
43270Destruction of polyp or growth of esophagus, stomach, and/or upper small bowel using a flexible endoscope
$7.7K
11 services$704.34/svc2.64x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
45380Biopsy of large bowel using an endoscope10.5K$3.2M$303.306.80x
43239Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscope10.2K$2.0M$199.624.96x
45385Removal of polyps or growths of large bowel using an endoscope5.3K$1.9M$355.356.83x
G0105Colorectal cancer screening; colonoscopy on individual at high risk3.4K$1.1M$327.715.94x
43248Insertion of guide wire with dilation of esophagus using an endoscope4.0K$975.4K$245.626.04x
G0121Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk2.0K$644.8K$322.586.04x
45378Diagnostic examination of large bowel using an endoscope2.0K$481.7K$241.078.06x
43235Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope583$146.8K$251.865.23x
45381Injections of large bowel using an endoscope696$135.2K$194.293.14x
45331Biopsy of large bowel using an endoscope385$83.2K$216.113.53x
43249Balloon dilation of esophagus using an endoscope169$78.7K$465.683.90x
43251Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope151$69.9K$462.593.01x
46946Tying of multiple internal hemorrhoid groups73$63.6K$871.191.84x
46945Tying of single internal hemorrhoid group41$34.7K$846.121.89x
45330Diagnostic examination of large bowel using an endoscope288$22.7K$78.679.54x
43259Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope39$20.4K$523.334.56x
45390Removal of large bowel tissue using an endoscope42$17.9K$426.645.74x
45388Destruction of large bowel growths using an endoscope52$16.9K$324.077.56x
G0104Colorectal cancer screening; flexible sigmoidoscopy103$12.3K$119.0414.29x
43270Destruction of polyp or growth of esophagus, stomach, and/or upper small bowel using a flexible endoscope11$7.7K$704.342.64x

Markup Analysis

Charge-to-Payment Ratio

6.15x

This provider submits charges 6.15 times higher than what Medicare actually pays.

What This Means

A markup ratio of 6.15x means for every $100 Medicare pays, this provider initially charges $615. This is higher than the national average.

Location

Madison, MS

Provider Verification

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

Similar Providers

Other Ambulatory Surgical Center providers in MS for peer comparison.

Gastrointestinal Associates Endoscopy Center, Llc (you)
$11.0M
Hattiesburg Clinic Pa
$40.0M
Madison Physician Surgery Center, Llc
$38.0M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Hattiesburg Clinic PaHattiesburg, MS$40.0Mโœ“ Clear
Madison Physician Surgery Center, LlcFlowood, MS$38.0Mโœ“ Clear

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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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