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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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Methodologyโ€ขDownload Data
  1. Home
  2. Providers
  3. Gastroenterology Associates Endoscopy Center, Llc
๐Ÿ”ช
Organization

Gastroenterology Associates Endoscopy Center, Llc

NPI: 1114922192
Redding, CA
10 years of data
Ambulatory Surgical Center
$16.3M
Total Payments
41.6K
Beneficiaries
42.3K
Services
5.76x
Markup Ratio

Peer Comparison

98th
percentile in specialty
This provider$16.3M
Specialty median$657.1K

๐Ÿ“‹ Key Findings

1Billed $16.3M over 10 years
25.76x markup ratio (above median)
398th percentile in Ambulatory Surgical Center by payments
419 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $16.3M in total Medicare payments ranks in the 98th percentile of Ambulatory Surgical Center providers nationally.

Their average markup ratio of 5.76x is significantly above the specialty median of 6.1x.

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$368.144.18x$1.2K$1.3M3.8K3.8K
2015$1.6K$355.924.37x$1.2K$1.6M4.4K4.3K
2016$1.5K$378.964.08x$1.2K$1.6M4.2K4.1K
2017$2.1K$371.645.73x$1.8K$1.5M4.1K4.0K
2018$2.2K$390.265.68x$1.8K$1.8M4.7K4.6K
2019$2.2K$392.615.67x$1.8K$1.8M4.8K4.7K
2020$2.3K$446.215.19x$1.9K$1.7M4.3K4.2K
2021$2.3K$450.635.15x$1.9K$1.7M4.0K4.0K
2022$2.7K$477.975.70x$2.2K$1.7M4.2K4.2K
2023$2.7K$509.685.35x$2.2K$1.7M3.7K3.7K

Top Procedures (19)

45385Removal of polyps or growths of large bowel using an endoscopeโš  4.8x markup
$4.8M
10.6K services$454.96/svc4.78x markup
45380Biopsy of large bowel using an endoscopeโš  6.0x markup
$3.2M
9.1K services$355.28/svc6.04x markup
43239Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscopeโš  6.8x markup
$3.0M
9.9K services$303.29/svc6.76x markup
G0105Colorectal cancer screening; colonoscopy on individual at high riskโš  7.0x markup
$1.4M
3.0K services$454.05/svc6.98x markup
G0121Colorectal cancer screening; colonoscopy on individual not meeting criteria for high riskโš  6.7x markup
$1.1M
2.5K services$445.78/svc6.72x markup
45378Diagnostic examination of large bowel using an endoscopeโš  5.6x markup
$554.5K
1.6K services$343.10/svc5.56x markup
43450Dilation of esophagusโš  6.1x markup
$534.8K
1.6K services$325.91/svc6.08x markup
45390Removal of large bowel tissue using an endoscopeโš  3.1x markup
$494.9K
739 services$669.70/svc3.12x markup
43251Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscopeโš  3.6x markup
$289.1K
476 services$607.33/svc3.58x markup
43235Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscopeโš  5.7x markup
$269.2K
840 services$320.52/svc5.67x markup
43248Insertion of guide wire with dilation of esophagus using an endoscopeโš  6.6x markup
$236.4K
669 services$353.30/svc6.58x markup
43249Balloon dilation of esophagus using an endoscopeโš  3.6x markup
$178.6K
291 services$613.90/svc3.56x markup
45381Injections of large bowel using an endoscopeโš  7.8x markup
$140.2K
563 services$249.07/svc7.78x markup
43244Tying of dilated veins of stomach and/or esophagus using an endoscopeโš  3.9x markup
$52.2K
85 services$614.15/svc3.87x markup
45331Biopsy of large bowel using an endoscopeโš  4.2x markup
$33.6K
120 services$279.99/svc4.20x markup
45330Diagnostic examination of large bowel using an endoscopeโš  10.2x markup
$15.9K
138 services$114.86/svc10.19x markup
45350Rubber banding of large bowel using an endoscopeโš  4.5x markup
$12.7K
27 services$468.97/svc4.48x markup
45388Destruction of large bowel growths using an endoscopeโš  4.4x markup
$10.4K
26 services$400.63/svc4.37x markup
45382Control of bleeding in upper large bowel using an endoscopeโš  6.4x markup
$5.3K
14 services$377.45/svc6.36x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
45385Removal of polyps or growths of large bowel using an endoscope10.6K$4.8M$454.964.78x
45380Biopsy of large bowel using an endoscope9.1K$3.2M$355.286.04x
43239Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscope9.9K$3.0M$303.296.76x
G0105Colorectal cancer screening; colonoscopy on individual at high risk3.0K$1.4M$454.056.98x
G0121Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk2.5K$1.1M$445.786.72x
45378Diagnostic examination of large bowel using an endoscope1.6K$554.5K$343.105.56x
43450Dilation of esophagus1.6K$534.8K$325.916.08x
45390Removal of large bowel tissue using an endoscope739$494.9K$669.703.12x
43251Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope476$289.1K$607.333.58x
43235Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope840$269.2K$320.525.67x
43248Insertion of guide wire with dilation of esophagus using an endoscope669$236.4K$353.306.58x
43249Balloon dilation of esophagus using an endoscope291$178.6K$613.903.56x
45381Injections of large bowel using an endoscope563$140.2K$249.077.78x
43244Tying of dilated veins of stomach and/or esophagus using an endoscope85$52.2K$614.153.87x
45331Biopsy of large bowel using an endoscope120$33.6K$279.994.20x
45330Diagnostic examination of large bowel using an endoscope138$15.9K$114.8610.19x
45350Rubber banding of large bowel using an endoscope27$12.7K$468.974.48x
45388Destruction of large bowel growths using an endoscope26$10.4K$400.634.37x
45382Control of bleeding in upper large bowel using an endoscope14$5.3K$377.456.36x

Markup Analysis

Charge-to-Payment Ratio

5.76x

This provider submits charges 5.76 times higher than what Medicare actually pays.

What This Means

A markup ratio of 5.76x means for every $100 Medicare pays, this provider initially charges $576. This is higher than the national average.

Location

Redding, CA

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 CA for peer comparison.

Gastroenterology Associates Endoscopy Center, Llc (you)
$16.3M
Specialty Surgical Center, Llc
$49.2M
Santa Rosa Surgery Center L P
$41.3M
Peninsula Eye Surgery Center Llc
$37.0M
Fort Sutter Surgery Center A California Limited Partnership
$33.6M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Specialty Surgical Center, LlcBeverly Hills, CA$49.2Mโœ“ Clear
Santa Rosa Surgery Center L PSanta Rosa, CA$41.3Mโœ“ Clear
Peninsula Eye Surgery Center LlcMountain View, CA$37.0Mโœ“ Clear
Fort Sutter Surgery Center A California Limited PartnershipSacramento, CA$33.6Mโœ“ 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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