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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.
Sister Sites: OpenMedicaid ยท OpenFeds ยท OpenSpending

ยฉ 2026 OpenMedicare. Independent data journalism. Built by TheDataProject.ai

Methodologyโ€ขDownload Data
  1. Home
  2. Providers
  3. Knoxville Orthopaedic Surgery Center Llc
๐Ÿ”ช
Organization

Knoxville Orthopaedic Surgery Center Llc

NPI: 1811125149
Knoxville, TN
10 years of data
Ambulatory Surgical Center
$17.3M
Total Payments
253
Beneficiaries
25.4K
Services
5.14x
Markup Ratio

Peer Comparison

98th
percentile in specialty
This provider$17.3M
Specialty median$657.1K

๐Ÿ“‹ Key Findings

1Billed $17.3M over 10 years
25.14x markup ratio (above median)
398th percentile in Ambulatory Surgical Center by payments
4Payments surged 60% in 2021
520 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $17.3M in total Medicare payments ranks in the 98th percentile of Ambulatory Surgical Center providers nationally.

Their average markup ratio of 5.14x is significantly above the specialty median of 6.1x.

Medicare payments to this provider grew 205% 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

๐Ÿ“ˆ

Notable: Payments increased 60% in 2021

Year-over-year payment surges can indicate changes in practice volume, new services, or billing pattern shifts.

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$2.4K$423.045.77x$2.0K$1.0M2.4K23
2015$2.4K$401.165.96x$2.0K$1.1M2.8K21
2016$2.4K$425.455.66x$2.0K$1.1M2.6K24
2017$2.5K$412.986.11x$2.1K$1.1M2.7K26
2018$2.5K$434.425.72x$2.1K$1.2M2.7K26
2019$2.7K$481.085.67x$2.2K$1.4M2.9K27
2020$3.4K$642.455.32x$2.8K$1.5M2.4K28
2021$4.7K$974.404.78x$3.7K$2.4M2.5K25
2022$6.2K$1.4K4.57x$4.9K$3.3M2.4K28
2023$7.0K$1.6K4.47x$5.5K$3.1M2.0K25

Top Procedures (20)

27447Replacement of knee joint, both sides of kneeโš  4.1x markup
$3.1M
522 services$6.0K/svc4.14x markup
29827Repair of shoulder rotator cuff using an endoscopeโš  5.5x markup
$1.6M
1.0K services$1.6K/svc5.49x markup
27130Replacement of thigh bone and hip joint with prosthesisโš  4.0x markup
$1.6M
252 services$6.2K/svc4.05x markup
27446Replacement of knee joint on side of kneeโš  4.3x markup
$1.3M
222 services$5.8K/svc4.34x markup
64483Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single levelโš  5.6x markup
$1.2M
5.3K services$221.26/svc5.57x markup
28750Fusion of big toe at joint with footโš  3.4x markup
$843.8K
371 services$2.3K/svc3.43x markup
64721Release and/or relocation of hand nerveโš  5.3x markup
$814.6K
1.6K services$508.82/svc5.27x markup
64635Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet jointโš  4.8x markup
$769.3K
1.5K services$529.81/svc4.75x markup
64493Injection of lower or sacral spine facet joint using imaging guidance, single levelโš  7.1x markup
$634.2K
3.2K services$197.25/svc7.13x markup
29828Release of tendon connecting biceps muscle and shoulder using an endoscopeโš  4.7x markup
$514.0K
276 services$1.9K/svc4.71x markup
29881Removal of knee cartilage using an endoscopeโš  5.1x markup
$511.7K
608 services$841.59/svc5.09x markup
26055Incision of tendon covering of fingerโš  6.2x markup
$476.6K
1.3K services$377.97/svc6.16x markup
29880Removal of both knee cartilages using an endoscopeโš  5.2x markup
$413.4K
500 services$826.85/svc5.17x markup
28285Correction of toe joint deformityโš  8.6x markup
$409.2K
963 services$424.88/svc8.61x markup
25609Treatment of 3 or more broken lower forearm bone pieces on thumb side inside wrist joint with placement of stabilizing deviceโš  4.6x markup
$350.5K
135 services$2.6K/svc4.60x markup
64633Destruction of upper or middle spinal facet joint nerves using imaging guidance, single facet jointโš  4.7x markup
$324.9K
624 services$520.68/svc4.74x markup
25447Removal of bone joints between wrist and fingersโš  6.7x markup
$269.8K
330 services$817.63/svc6.74x markup
64490Injection of upper or middle spine facet joint using imaging guidance, single levelโš  6.8x markup
$263.5K
1.3K services$206.82/svc6.77x markup
28308Incision or partial removal of foot bone (other than big toe) to straighten toeโš  6.4x markup
$247.6K
518 services$477.99/svc6.42x markup
62323Injection of substance into lower spine canal using imaging guidanceโš  6.4x markup
$234.5K
1.2K services$197.42/svc6.41x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
27447Replacement of knee joint, both sides of knee522$3.1M$6.0K4.14x
29827Repair of shoulder rotator cuff using an endoscope1.0K$1.6M$1.6K5.49x
27130Replacement of thigh bone and hip joint with prosthesis252$1.6M$6.2K4.05x
27446Replacement of knee joint on side of knee222$1.3M$5.8K4.34x
64483Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level5.3K$1.2M$221.265.57x
28750Fusion of big toe at joint with foot371$843.8K$2.3K3.43x
64721Release and/or relocation of hand nerve1.6K$814.6K$508.825.27x
64635Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint1.5K$769.3K$529.814.75x
64493Injection of lower or sacral spine facet joint using imaging guidance, single level3.2K$634.2K$197.257.13x
29828Release of tendon connecting biceps muscle and shoulder using an endoscope276$514.0K$1.9K4.71x
29881Removal of knee cartilage using an endoscope608$511.7K$841.595.09x
26055Incision of tendon covering of finger1.3K$476.6K$377.976.16x
29880Removal of both knee cartilages using an endoscope500$413.4K$826.855.17x
28285Correction of toe joint deformity963$409.2K$424.888.61x
25609Treatment of 3 or more broken lower forearm bone pieces on thumb side inside wrist joint with placement of stabilizing device135$350.5K$2.6K4.60x
64633Destruction of upper or middle spinal facet joint nerves using imaging guidance, single facet joint624$324.9K$520.684.74x
25447Removal of bone joints between wrist and fingers330$269.8K$817.636.74x
64490Injection of upper or middle spine facet joint using imaging guidance, single level1.3K$263.5K$206.826.77x
28308Incision or partial removal of foot bone (other than big toe) to straighten toe518$247.6K$477.996.42x
62323Injection of substance into lower spine canal using imaging guidance1.2K$234.5K$197.426.41x

Markup Analysis

Charge-to-Payment Ratio

5.14x

This provider submits charges 5.14 times higher than what Medicare actually pays.

What This Means

A markup ratio of 5.14x means for every $100 Medicare pays, this provider initially charges $514. This is higher than the national average.

Location

Knoxville, TN

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 TN for peer comparison.

Knoxville Orthopaedic Surgery Center Llc (you)
$17.3M
Digestivecare, Llc
$36.0M
Knoxville Eye Surgery Center Llc
$33.5M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Digestivecare, LlcGermantown, TN$36.0Mโœ“ Clear
Knoxville Eye Surgery Center LlcKnoxville, TN$33.5Mโœ“ 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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