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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. Northwest Michigan Surgery Center Llc
๐Ÿ”ช
Organization

Northwest Michigan Surgery Center Llc

NPI: 1518957729
Traverse City, MI
10 years of data
Ambulatory Surgical Center
$29.3M
Total Payments
54.1K
Beneficiaries
61.2K
Services
5.37x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$29.3M
Specialty median$657.1K

๐Ÿ“‹ Key Findings

1Billed $29.3M over 10 years
25.37x markup ratio (above median)
399th percentile in Ambulatory Surgical Center by payments
420 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $29.3M in total Medicare payments ranks in the 99th percentile of Ambulatory Surgical Center providers nationally.

Their average markup ratio of 5.37x 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$3.5K$637.195.50x$2.9K$2.8M6.4K5.7K
2015$3.5K$647.065.35x$2.8K$3.0M6.8K6.0K
2016$3.5K$676.685.22x$2.9K$3.1M7.1K6.4K
2017$3.7K$648.205.66x$3.0K$2.9M6.7K6.0K
2018$3.7K$699.375.28x$3.0K$3.2M6.8K6.0K
2019$3.5K$630.345.59x$2.9K$3.2M7.0K6.2K
2020$4.3K$800.765.32x$3.5K$2.5M5.2K4.5K
2021$5.5K$1.0K5.26x$4.5K$3.0M5.5K4.7K
2022$7.0K$1.3K5.36x$5.7K$3.0M5.4K4.7K
2023$7.1K$1.3K5.29x$5.7K$2.7M4.4K3.9K

Top Procedures (20)

66984Removal of cataract with insertion of lensโš  5.1x markup
$9.3M
13.3K services$700.45/svc5.09x markup
45385Removal of polyps or growths of large bowel using an endoscopeโš  5.0x markup
$3.3M
9.3K services$349.95/svc4.99x markup
45380Biopsy of large bowel using an endoscopeโš  6.2x markup
$2.3M
8.6K services$271.72/svc6.22x markup
43239Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscopeโš  6.9x markup
$1.5M
7.2K services$205.10/svc6.91x markup
43248Insertion of guide wire with dilation of esophagus using an endoscopeโš  5.7x markup
$978.6K
3.9K services$250.61/svc5.65x markup
G0121Colorectal cancer screening; colonoscopy on individual not meeting criteria for high riskโš  4.1x markup
$968.1K
2.9K services$331.76/svc4.11x markup
0191TInternal insertion of eye fluid drainage deviceโš  4.9x markup
$735.3K
385 services$1.9K/svc4.91x markup
G0105Colorectal cancer screening; colonoscopy on individual at high riskโš  4.1x markup
$620.5K
1.8K services$338.54/svc4.08x markup
64721Release and/or relocation of median nerve of handโš  5.1x markup
$581.3K
1.1K services$541.22/svc5.14x markup
50590Shock wave crushing of kidney stonesโš  5.4x markup
$552.7K
490 services$1.1K/svc5.39x markup
29827Repair of shoulder rotator cuff using an endoscopeโš  5.8x markup
$496.5K
318 services$1.6K/svc5.78x markup
66982Removal of cataract with insertion of lensโš  5.1x markup
$482.4K
675 services$714.72/svc5.09x markup
63685Insertion of spinal neurostimulator generator or receiverโš  4.8x markup
$423.9K
24 services$17.7K/svc4.81x markup
29848Release of wrist ligament using an endoscopeโš  5.6x markup
$401.2K
745 services$538.46/svc5.57x markup
65820Incision to improve eye fluid flowโš  5.0x markup
$373.7K
274 services$1.4K/svc5.00x markup
64590Insertion or replacement of peripheral or gastric neurostimulator generatorโš  4.9x markup
$346.8K
26 services$13.3K/svc4.94x markup
49650Repair of groin hernia using an endoscopeโš  5.7x markup
$338.7K
246 services$1.4K/svc5.73x markup
66180Creation of shunt to improve eye fluid flowโš  4.9x markup
$335.9K
230 services$1.5K/svc4.91x markup
45378Diagnostic examination of large bowel using an endoscopeโš  5.7x markup
$328.2K
1.3K services$247.48/svc5.72x markup
67904Repair of tendon of upper eyelidโš  6.3x markup
$264.8K
569 services$465.44/svc6.29x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
66984Removal of cataract with insertion of lens13.3K$9.3M$700.455.09x
45385Removal of polyps or growths of large bowel using an endoscope9.3K$3.3M$349.954.99x
45380Biopsy of large bowel using an endoscope8.6K$2.3M$271.726.22x
43239Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscope7.2K$1.5M$205.106.91x
43248Insertion of guide wire with dilation of esophagus using an endoscope3.9K$978.6K$250.615.65x
G0121Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk2.9K$968.1K$331.764.11x
0191TInternal insertion of eye fluid drainage device385$735.3K$1.9K4.91x
G0105Colorectal cancer screening; colonoscopy on individual at high risk1.8K$620.5K$338.544.08x
64721Release and/or relocation of median nerve of hand1.1K$581.3K$541.225.14x
50590Shock wave crushing of kidney stones490$552.7K$1.1K5.39x
29827Repair of shoulder rotator cuff using an endoscope318$496.5K$1.6K5.78x
66982Removal of cataract with insertion of lens675$482.4K$714.725.09x
63685Insertion of spinal neurostimulator generator or receiver24$423.9K$17.7K4.81x
29848Release of wrist ligament using an endoscope745$401.2K$538.465.57x
65820Incision to improve eye fluid flow274$373.7K$1.4K5.00x
64590Insertion or replacement of peripheral or gastric neurostimulator generator26$346.8K$13.3K4.94x
49650Repair of groin hernia using an endoscope246$338.7K$1.4K5.73x
66180Creation of shunt to improve eye fluid flow230$335.9K$1.5K4.91x
45378Diagnostic examination of large bowel using an endoscope1.3K$328.2K$247.485.72x
67904Repair of tendon of upper eyelid569$264.8K$465.446.29x

Markup Analysis

Charge-to-Payment Ratio

5.37x

This provider submits charges 5.37 times higher than what Medicare actually pays.

What This Means

A markup ratio of 5.37x means for every $100 Medicare pays, this provider initially charges $537. This is higher than the national average.

Location

Traverse City, MI

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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