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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: 1245352327
Flowood, MS
10 years of data
Ambulatory Surgical Center
$20.6M
Total Payments
72.5K
Beneficiaries
74.0K
Services
6.1x
Markup Ratio

Peer Comparison

98th
percentile in specialty
This provider$20.6M
Specialty median$657.1K

๐Ÿ“‹ Key Findings

1Billed $20.6M over 10 years
26.1x markup ratio (above median)
398th percentile in Ambulatory Surgical Center by payments
416 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $20.6M in total Medicare payments ranks in the 98th percentile of Ambulatory Surgical Center providers nationally.

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

Medicare payments to this provider grew 94% 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$1.5K$235.156.25x$1.2K$1.4M5.7K5.6K
2015$1.6K$265.825.93x$1.3K$1.5M6.2K6.1K
2016$1.6K$281.935.62x$1.3K$1.9M7.5K7.3K
2017$1.5K$268.365.77x$1.3K$2.1M8.1K7.9K
2018$1.5K$265.265.50x$1.2K$2.0M7.7K7.5K
2019$1.5K$280.505.48x$1.3K$2.3M8.4K8.3K
2020$1.6K$336.974.76x$1.3K$2.0M7.0K6.9K
2021$1.6K$411.103.93x$1.2K$2.3M7.7K7.6K
2022$2.1K$506.314.06x$1.5K$2.5M8.1K7.9K
2023$2.1K$571.993.75x$1.6K$2.6M7.6K7.5K

Top Procedures (20)

45380Biopsy of large bowel using an endoscopeโš  6.8x markup
$6.2M
20.5K services$301.33/svc6.79x markup
45385Removal of polyps or growths of large bowel using an endoscopeโš  6.8x markup
$3.7M
10.4K services$353.51/svc6.85x markup
43239Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscopeโš  5.0x markup
$3.6M
18.4K services$195.23/svc4.95x markup
G0105Colorectal cancer screening; colonoscopy on individual at high riskโš  5.9x markup
$1.9M
5.8K services$327.72/svc5.94x markup
43248Insertion of guide wire with dilation of esophagus using an endoscopeโš  6.0x markup
$1.8M
7.3K services$240.95/svc6.01x markup
G0121Colorectal cancer screening; colonoscopy on individual not meeting criteria for high riskโš  6.1x markup
$1.0M
3.2K services$320.39/svc6.08x markup
45378Diagnostic examination of large bowel using an endoscopeโš  8.1x markup
$772.3K
3.2K services$241.05/svc8.07x markup
45381Injections of large bowel using an endoscopeโš  3.2x markup
$235.0K
1.2K services$189.36/svc3.17x markup
64561Insertion of sacral nerve neurostimulator electrode array
$215.3K
62 services$3.5K/svc2.65x markup
43235Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscopeโš  5.2x markup
$213.1K
840 services$253.72/svc5.16x markup
43251Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscopeโš  3.2x markup
$193.3K
434 services$445.32/svc3.21x markup
43249Balloon dilation of esophagus using an endoscopeโš  3.9x markup
$140.1K
314 services$446.33/svc3.91x markup
45331Biopsy of large bowel using an endoscopeโš  3.5x markup
$124.5K
586 services$212.42/svc3.48x markup
45390Removal of large bowel tissue using an endoscopeโš  4.3x markup
$99.5K
177 services$562.06/svc4.35x markup
46946Tying of multiple internal hemorrhoid groups
$98.0K
112 services$874.94/svc1.83x markup
43270Destruction of growths on esophagus, stomach, and/or upper small bowel using an endoscopeโš  3.7x markup
$81.7K
175 services$466.86/svc3.66x markup
43245Dilation of stomach outlet using an endoscopeโš  3.9x markup
$59.8K
140 services$426.81/svc3.94x markup
43252Microscopic examination of esophagus, stomach, and/or upper small bowel using an endoscope
$58.5K
67 services$872.90/svc1.60x markup
43229Destruction of growths of esophagus using an endoscope
$50.6K
45 services$1.1K/svc2.62x markup
45388Destruction of large bowel growths using an endoscopeโš  7.5x markup
$45.8K
141 services$324.74/svc7.54x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
45380Biopsy of large bowel using an endoscope20.5K$6.2M$301.336.79x
45385Removal of polyps or growths of large bowel using an endoscope10.4K$3.7M$353.516.85x
43239Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscope18.4K$3.6M$195.234.95x
G0105Colorectal cancer screening; colonoscopy on individual at high risk5.8K$1.9M$327.725.94x
43248Insertion of guide wire with dilation of esophagus using an endoscope7.3K$1.8M$240.956.01x
G0121Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk3.2K$1.0M$320.396.08x
45378Diagnostic examination of large bowel using an endoscope3.2K$772.3K$241.058.07x
45381Injections of large bowel using an endoscope1.2K$235.0K$189.363.17x
64561Insertion of sacral nerve neurostimulator electrode array62$215.3K$3.5K2.65x
43235Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope840$213.1K$253.725.16x
43251Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope434$193.3K$445.323.21x
43249Balloon dilation of esophagus using an endoscope314$140.1K$446.333.91x
45331Biopsy of large bowel using an endoscope586$124.5K$212.423.48x
45390Removal of large bowel tissue using an endoscope177$99.5K$562.064.35x
46946Tying of multiple internal hemorrhoid groups112$98.0K$874.941.83x
43270Destruction of growths on esophagus, stomach, and/or upper small bowel using an endoscope175$81.7K$466.863.66x
43245Dilation of stomach outlet using an endoscope140$59.8K$426.813.94x
43252Microscopic examination of esophagus, stomach, and/or upper small bowel using an endoscope67$58.5K$872.901.60x
43229Destruction of growths of esophagus using an endoscope45$50.6K$1.1K2.62x
45388Destruction of large bowel growths using an endoscope141$45.8K$324.747.54x

Markup Analysis

Charge-to-Payment Ratio

6.1x

This provider submits charges 6.1 times higher than what Medicare actually pays.

What This Means

A markup ratio of 6.1x means for every $100 Medicare pays, this provider initially charges $610. This is higher than the national average.

Location

Flowood, 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)
$20.6M
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.

Believe this data is inaccurate? Dispute this data