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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. Oakwood Surgery Center, Ltd., Llp
๐Ÿ”ช
Organization

Oakwood Surgery Center, Ltd., Llp

NPI: 1689639262
Round Rock, TX
10 years of data
Ambulatory Surgical Center
$16.4M
Total Payments
22.2K
Beneficiaries
27.5K
Services
11.62x
Markup Ratio

Peer Comparison

98th
percentile in specialty
This provider$16.4M
Specialty median$657.1K

๐Ÿ“‹ Key Findings

1Billed $16.4M over 10 years
211.62x markup ratio (above median)
398th percentile in Ambulatory Surgical Center by payments
420 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $16.4M in total Medicare payments ranks in the 98th percentile of Ambulatory Surgical Center providers nationally.

Their average markup ratio of 11.62x is significantly above the specialty median of 6.1x.

Medicare payments to this provider grew 131% from 2014 to 2023.

60% of their billing comes from a single procedure code (66984 โ€” Removal of cataract with insertion of lens).

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$5.3K$559.449.41x$4.7K$942.6K1.9K1.6K
2015$6.1K$614.319.94x$5.5K$951.6K1.9K1.6K
2016$5.6K$581.969.62x$5.0K$1.4M2.6K2.2K
2017$6.3K$695.619.01x$5.6K$1.7M2.9K2.4K
2018$6.4K$603.5010.64x$5.8K$1.8M3.2K2.6K
2019$6.6K$639.6210.36x$6.0K$1.8M3.1K2.5K
2020$7.0K$573.5712.20x$6.4K$1.6M2.5K2.0K
2021$8.0K$630.3412.65x$7.3K$1.9M2.9K2.3K
2022$8.6K$761.8911.25x$7.8K$2.2M3.3K2.5K
2023$8.6K$680.3912.65x$7.9K$2.2M3.1K2.4K

Top Procedures (20)

66984Removal of cataract with insertion of lensโš  10.7x markup
$8.9M
11.4K services$776.21/svc10.65x markup
45380Biopsy of large bowel using an endoscopeโš  16.1x markup
$782.1K
2.5K services$314.99/svc16.15x markup
45385Removal of polyps or growths of large bowel using an endoscopeโš  14.2x markup
$571.6K
1.5K services$379.57/svc14.15x markup
66982Removal of cataract with insertion of lensโš  10.6x markup
$545.3K
710 services$767.98/svc10.61x markup
67042Removal of membrane from the retina, pars plana approachโš  7.8x markup
$484.2K
342 services$1.4K/svc7.84x markup
43239Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscopeโš  23.1x markup
$445.5K
2.0K services$218.49/svc23.08x markup
67904Repair of tendon of upper eyelidโš  12.0x markup
$438.2K
984 services$445.30/svc11.99x markup
64483Injections of anesthetic and/or steroid drug into lower or sacral spine nerve root using imaging guidanceโš  19.1x markup
$299.7K
1.2K services$241.69/svc19.09x markup
29880Removal of both knee cartilages using an endoscopeโš  14.6x markup
$286.9K
314 services$913.80/svc14.63x markup
29881Removal of one knee cartilage using an endoscopeโš  14.3x markup
$282.4K
303 services$932.17/svc14.34x markup
67036Removal of eye fluid (vitreous) between the lens and retinaโš  8.6x markup
$252.2K
175 services$1.4K/svc8.62x markup
29827Repair of shoulder rotator cuff using an endoscopeโš  6.6x markup
$225.7K
128 services$1.8K/svc6.61x markup
G0105Colorectal cancer screening; colonoscopy on individual at high riskโš  14.8x markup
$179.3K
524 services$342.23/svc14.84x markup
64635Destruction of lower or sacral spinal facet joint nerves using imaging guidanceโš  9.5x markup
$168.4K
280 services$601.38/svc9.47x markup
52356Crushing of stone in urinary duct (ureter) with stent using an endoscopeโš  6.6x markup
$156.9K
100 services$1.6K/svc6.57x markup
52601Electro-removal of prostate through bladder canal (urethra) with control of bleeding using an endoscopeโš  5.6x markup
$149.0K
110 services$1.4K/svc5.57x markup
67108Repair of detached retina and drainage of eye fluid between lens and retinaโš  9.6x markup
$142.0K
99 services$1.4K/svc9.55x markup
67113Repair of detached retina and drainage of eye fluid between lens and retinaโš  15.6x markup
$140.0K
97 services$1.4K/svc15.59x markup
G0121Colorectal cancer screening; colonoscopy on individual not meeting criteria for high riskโš  14.6x markup
$139.5K
424 services$329.11/svc14.57x markup
C9740Cystourethroscopy, with insertion of transprostatic implant; 4 or more implantsโš  3.9x markup
$118.9K
24 services$5.0K/svc3.92x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
66984Removal of cataract with insertion of lens11.4K$8.9M$776.2110.65x
45380Biopsy of large bowel using an endoscope2.5K$782.1K$314.9916.15x
45385Removal of polyps or growths of large bowel using an endoscope1.5K$571.6K$379.5714.15x
66982Removal of cataract with insertion of lens710$545.3K$767.9810.61x
67042Removal of membrane from the retina, pars plana approach342$484.2K$1.4K7.84x
43239Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscope2.0K$445.5K$218.4923.08x
67904Repair of tendon of upper eyelid984$438.2K$445.3011.99x
64483Injections of anesthetic and/or steroid drug into lower or sacral spine nerve root using imaging guidance1.2K$299.7K$241.6919.09x
29880Removal of both knee cartilages using an endoscope314$286.9K$913.8014.63x
29881Removal of one knee cartilage using an endoscope303$282.4K$932.1714.34x
67036Removal of eye fluid (vitreous) between the lens and retina175$252.2K$1.4K8.62x
29827Repair of shoulder rotator cuff using an endoscope128$225.7K$1.8K6.61x
G0105Colorectal cancer screening; colonoscopy on individual at high risk524$179.3K$342.2314.84x
64635Destruction of lower or sacral spinal facet joint nerves using imaging guidance280$168.4K$601.389.47x
52356Crushing of stone in urinary duct (ureter) with stent using an endoscope100$156.9K$1.6K6.57x
52601Electro-removal of prostate through bladder canal (urethra) with control of bleeding using an endoscope110$149.0K$1.4K5.57x
67108Repair of detached retina and drainage of eye fluid between lens and retina99$142.0K$1.4K9.55x
67113Repair of detached retina and drainage of eye fluid between lens and retina97$140.0K$1.4K15.59x
G0121Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk424$139.5K$329.1114.57x
C9740Cystourethroscopy, with insertion of transprostatic implant; 4 or more implants24$118.9K$5.0K3.92x

Markup Analysis

Charge-to-Payment Ratio

11.62x

This provider submits charges 11.62 times higher than what Medicare actually pays.

What This Means

A markup ratio of 11.62x means for every $100 Medicare pays, this provider initially charges $1162. This is higher than the national average.

Location

Round Rock, TX

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 TX for peer comparison.

Oakwood Surgery Center, Ltd., Llp (you)
$16.4M
Ophthalmology Surgery Center Of Dallas, Llc
$76.6M
Round Rock Surgery Center Llc
$56.6M
Amarillo Cataract And Eye Surgery
$33.3M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Ophthalmology Surgery Center Of Dallas, LlcDallas, TX$76.6Mโœ“ Clear
Round Rock Surgery Center LlcRound Rock, TX$56.6Mโœ“ Clear
Amarillo Cataract And Eye SurgeryAmarillo, TX$33.3Mโœ“ 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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