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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. Gsi Asc, Llc
๐Ÿ”ช
Organization

Gsi Asc, Llc

NPI: 1306214705
Tulsa, OK
6 years of data
Ambulatory Surgical Center
$5.2M
Total Payments
16.4K
Beneficiaries
16.6K
Services
2.22x
Markup Ratio

Peer Comparison

94th
percentile in specialty
This provider$5.2M
Specialty median$657.1K

๐Ÿ“‹ Key Findings

1Billed $5.2M over 6 years
22.22x markup ratio (above median)
394th percentile in Ambulatory Surgical Center by payments
41 procedure with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $5.2M in total Medicare payments ranks in the 94th percentile of Ambulatory Surgical Center providers nationally.

This provider's billing patterns fall within normal ranges for their specialty.

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
2018$680.34$299.312.27x$381.03$749.4K2.6K2.6K
2019$684.02$290.072.36x$393.95$971.3K3.3K3.2K
2020$684.75$313.192.19x$371.56$750.2K2.5K2.4K
2021$723.28$323.192.24x$400.09$884.1K2.8K2.7K
2022$731.83$319.672.29x$412.16$846.4K2.7K2.6K
2023$723.56$344.462.10x$379.10$977.6K2.8K2.8K

Top Procedures (11)

43239Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscope
$931.1K
4.2K services$222.81/svc2.60x markup
45385Removal of polyps or growths of large bowel using an endoscope
$892.2K
2.4K services$379.19/svc2.01x markup
45380Biopsy of large bowel using an endoscope
$822.1K
2.2K services$370.98/svc2.04x markup
G0105Colorectal cancer screening; colonoscopy on individual at high risk
$548.8K
1.6K services$344.50/svc2.15x markup
43249Balloon dilation of esophagus using an endoscope
$490.1K
1.2K services$419.59/svc1.62x markup
45378Diagnostic examination of large bowel using an endoscope
$433.7K
1.7K services$250.55/svc2.95x markup
G0121Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk
$402.1K
1.2K services$339.03/svc2.16x markup
45384Removal of polyps or growths in large bowel using an endoscope
$373.8K
1.0K services$371.99/svc2.03x markup
43235Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope
$208.1K
886 services$234.88/svc2.60x markup
43248Insertion of guide wire with dilation of esophagus using an endoscope
$75.9K
301 services$252.30/svc2.64x markup
45330Diagnostic examination of large bowel using an endoscopeโš  7.9x markup
$979.67
11 services$89.06/svc7.86x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
43239Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscope4.2K$931.1K$222.812.60x
45385Removal of polyps or growths of large bowel using an endoscope2.4K$892.2K$379.192.01x
45380Biopsy of large bowel using an endoscope2.2K$822.1K$370.982.04x
G0105Colorectal cancer screening; colonoscopy on individual at high risk1.6K$548.8K$344.502.15x
43249Balloon dilation of esophagus using an endoscope1.2K$490.1K$419.591.62x
45378Diagnostic examination of large bowel using an endoscope1.7K$433.7K$250.552.95x
G0121Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk1.2K$402.1K$339.032.16x
45384Removal of polyps or growths in large bowel using an endoscope1.0K$373.8K$371.992.03x
43235Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope886$208.1K$234.882.60x
43248Insertion of guide wire with dilation of esophagus using an endoscope301$75.9K$252.302.64x
45330Diagnostic examination of large bowel using an endoscope11$979.67$89.067.86x

Markup Analysis

Charge-to-Payment Ratio

2.22x

This provider submits charges 2.22 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.22x means for every $100 Medicare pays, this provider initially charges $222. 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.

Similar Providers

Other Ambulatory Surgical Center providers in OK for peer comparison.

Gsi Asc, Llc (you)
$5.2M
Mcgee Eye Surgery Center Llc
$36.4M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Mcgee Eye Surgery Center LlcOklahoma City, OK$36.4Mโœ“ 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