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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. Tower Clock Surgery Center Llc
๐Ÿ”ช
Organization

Tower Clock Surgery Center Llc

NPI: 1437427333
Green Bay, WI
10 years of data
Ambulatory Surgical Center
$10.5M
Total Payments
9.1K
Beneficiaries
14.7K
Services
6.13x
Markup Ratio

Peer Comparison

97th
percentile in specialty
This provider$10.5M
Specialty median$657.1K

๐Ÿ“‹ Key Findings

1Billed $10.5M over 10 years
26.13x 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 $10.5M in total Medicare payments ranks in the 97th percentile of Ambulatory Surgical Center providers nationally.

Their average markup ratio of 6.13x is significantly above the specialty median of 6.1x.

Medicare payments to this provider grew 77% 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$2.6K$738.753.52x$1.9K$665.9K1.2K751
2015$2.2K$564.783.94x$1.7K$745.7K1.3K826
2016$3.6K$950.973.74x$2.6K$1.1M1.6K1.0K
2017$3.5K$918.573.81x$2.6K$1.1M1.7K1.0K
2018$4.2K$977.014.31x$3.2K$1.2M1.7K1.0K
2019$3.9K$756.475.14x$3.1K$1.0M1.5K926
2020$4.1K$950.724.34x$3.2K$992.6K1.4K866
2021$4.5K$1.0K4.39x$3.5K$1.2M1.6K998
2022$5.9K$1.3K4.61x$4.6K$1.3M1.4K900
2023$5.9K$1.3K4.65x$4.6K$1.2M1.3K807

Top Procedures (20)

66984Removal of cataract with insertion of lensโš  7.0x markup
$5.9M
8.2K services$720.91/svc6.98x markup
0191TInternal insertion of eye fluid drainage deviceโš  3.6x markup
$1.7M
868 services$1.9K/svc3.59x markup
66991Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eyeโš  4.6x markup
$770.3K
311 services$2.5K/svc4.59x markup
66821Removal of recurring cataract in lens capsule using laserโš  10.2x markup
$530.4K
2.9K services$182.95/svc10.22x markup
V2785Processing, preserving and transporting corneal tissue
$420.3K
156 services$2.7K/svc1.29x markup
66183Insertion of eye fluid drainage deviceโš  4.0x markup
$311.9K
164 services$1.9K/svc4.00x markup
66180Creation of shunt to improve eye fluid flowโš  4.9x markup
$193.2K
130 services$1.5K/svc4.90x markup
0449TInsertion of aqueous fluid drainage device into eyeโš  3.1x markup
$167.7K
80 services$2.1K/svc3.12x markup
66982Removal of cataract with insertion of lensโš  6.3x markup
$149.4K
204 services$732.22/svc6.34x markup
65855Laser repair to improve eye fluid flow, 1 or more sessionsโš  24.4x markup
$97.9K
894 services$109.54/svc24.41x markup
65756Transplant of outer layer of corneal tissueโš  5.0x markup
$85.2K
63 services$1.4K/svc4.96x markup
67031Laser release of scar tissue between the lens and retinaโš  5.3x markup
$47.1K
245 services$192.40/svc5.30x markup
66170Creation of eye fluid drainage tractโš  5.1x markup
$29.4K
40 services$735.26/svc5.08x markup
66761Creation of eye fluid drainage tracts in iris using laser, per sessionโš  10.5x markup
$28.1K
217 services$129.38/svc10.46x markup
66250Revision or repair of operative wound of eyeโš  4.0x markup
$20.5K
32 services$639.90/svc3.98x markup
15823Removal of excessive skin and fat of upper eyelidโš  8.9x markup
$16.2K
32 services$506.53/svc8.87x markup
J7315Mitomycin, ophthalmic, 0.2 mg
$15.3K
52 services$293.84/svc1.30x markup
67255Repair of defect of sclera with graftโš  8.5x markup
$6.5K
17 services$385.08/svc8.49x markup
65400Removal of growth of corneaโš  10.6x markup
$4.6K
15 services$304.39/svc10.63x markup
J1096Dexamethasone, lacrimal ophthalmic insert, 0.1 mg
$2.1K
19 services$111.70/svc1.30x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
66984Removal of cataract with insertion of lens8.2K$5.9M$720.916.98x
0191TInternal insertion of eye fluid drainage device868$1.7M$1.9K3.59x
66991Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye311$770.3K$2.5K4.59x
66821Removal of recurring cataract in lens capsule using laser2.9K$530.4K$182.9510.22x
V2785Processing, preserving and transporting corneal tissue156$420.3K$2.7K1.29x
66183Insertion of eye fluid drainage device164$311.9K$1.9K4.00x
66180Creation of shunt to improve eye fluid flow130$193.2K$1.5K4.90x
0449TInsertion of aqueous fluid drainage device into eye80$167.7K$2.1K3.12x
66982Removal of cataract with insertion of lens204$149.4K$732.226.34x
65855Laser repair to improve eye fluid flow, 1 or more sessions894$97.9K$109.5424.41x
65756Transplant of outer layer of corneal tissue63$85.2K$1.4K4.96x
67031Laser release of scar tissue between the lens and retina245$47.1K$192.405.30x
66170Creation of eye fluid drainage tract40$29.4K$735.265.08x
66761Creation of eye fluid drainage tracts in iris using laser, per session217$28.1K$129.3810.46x
66250Revision or repair of operative wound of eye32$20.5K$639.903.98x
15823Removal of excessive skin and fat of upper eyelid32$16.2K$506.538.87x
J7315Mitomycin, ophthalmic, 0.2 mg52$15.3K$293.841.30x
67255Repair of defect of sclera with graft17$6.5K$385.088.49x
65400Removal of growth of cornea15$4.6K$304.3910.63x
J1096Dexamethasone, lacrimal ophthalmic insert, 0.1 mg19$2.1K$111.701.30x

Markup Analysis

Charge-to-Payment Ratio

6.13x

This provider submits charges 6.13 times higher than what Medicare actually pays.

What This Means

A markup ratio of 6.13x means for every $100 Medicare pays, this provider initially charges $613. This is higher than the national average.

Location

Green Bay, WI

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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