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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. Theodore Chambers
๐Ÿ“ก
MDIndividual

Theodore Chambers, MD

NPI: 1972521979
Fairfax, VA
10 years of data
Diagnostic Radiology
$28.4M
Total Payments
22.4K
Beneficiaries
40.6K
Services
3.5x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$28.4M
Specialty median$115.6K

๐Ÿ“‹ Key Findings

1Billed $28.4M over 10 years
23.5x markup ratio (above median)
399th percentile in Diagnostic Radiology by payments
420 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $28.4M in total Medicare payments ranks in the 99th percentile of Diagnostic Radiology providers nationally.

This provider's billing patterns fall within normal ranges for their specialty.

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$2.2K$594.653.75x$1.6K$3.3M5.4K2.6K
2015$2.5K$676.903.75x$1.9K$3.4M5.9K2.8K
2016$3.1K$858.153.64x$2.3K$3.4M6.0K3.0K
2017$4.3K$1.3K3.36x$3.0K$3.2M3.6K1.9K
2018$4.2K$1.3K3.34x$2.9K$3.0M3.6K2.1K
2019$3.8K$1.1K3.28x$2.6K$3.2M4.1K2.3K
2020$3.6K$1.1K3.31x$2.5K$2.7M3.4K2.2K
2021$3.5K$1.1K3.24x$2.4K$2.7M3.2K2.1K
2022$3.1K$929.793.30x$2.1K$1.9M2.6K1.7K
2023$2.7K$815.143.34x$1.9K$1.6M2.6K1.7K

Top Procedures (20)

36902Insertion of needle and/or catheter into dialysis circuit and balloon dilation of dialysis segment, with imaging including radiological supervision and interpretationโš  3.2x markup
$5.4M
4.5K services$1.2K/svc3.21x markup
36903Insertion of needle and/or catheter into dialysis circuit and insertion of stent in dialysis segment, with imaging including radiological supervision and interpretationโš  3.2x markup
$3.8M
758 services$5.0K/svc3.17x markup
36906Excision of blood clot and/or infusion to dissolve blood clot and balloon dilation of dialysis segment, accessed through the skin, with imaging including radiological supervision and interpretationโš  3.2x markup
$3.2M
523 services$6.2K/svc3.18x markup
37238Insertion of intravascular stents in vein, open or accessed through the skin, with radiological supervision and interpretationโš  3.2x markup
$3.2M
814 services$3.9K/svc3.22x markup
35476Balloon dilation of narrowed or blocked vein, accessed through the skinโš  4.1x markup
$2.5M
2.4K services$1.1K/svc4.09x markup
36907Balloon dilation of dialysis segment, accessed through the skin, with imaging including radiological supervision and interpretationโš  3.2x markup
$1.8M
2.7K services$669.80/svc3.16x markup
36147Insertion of needle and/or catheter for dialysisโš  5.8x markup
$1.5M
3.4K services$430.43/svc5.85x markup
36905Excision of blood clot and/or infusion to dissolve blood clot in dialysis circuit and balloon dilation of dialysis segment, , accessed through the skin, with imaging including radiological supervision and interpretationโš  3.2x markup
$1.4M
594 services$2.3K/svc3.16x markup
35475Balloon dilation of narrowed or blocked upper arm artery, accessed through the skinโš  3.6x markup
$973.4K
737 services$1.3K/svc3.57x markup
36870Catheter removal of blood clot from dialysis graft, accessed through the skinโš  4.1x markup
$777.0K
575 services$1.4K/svc4.11x markup
36901Insertion of needle and/or catheter into dialysis circuit, with imaging including radiological supervision and interpretationโš  3.3x markup
$648.8K
1.0K services$619.66/svc3.25x markup
37248Balloon dilation of first vein, accessed through the skin or by open procedure, with imaging including radiological supervision and interpretationโš  3.3x markup
$423.0K
302 services$1.4K/svc3.25x markup
36908Insertion of stent in dialysis segment, with imaging including radiological supervision and interpretationโš  3.2x markup
$340.1K
157 services$2.2K/svc3.16x markup
36581Replacement of central venous catheterโš  4.6x markup
$330.4K
644 services$513.06/svc4.62x markup
36215Insertion of catheter into chest or arm arteryโš  5.8x markup
$321.0K
559 services$574.30/svc5.77x markup
75978Radiological supervision and interpretation of balloon dilation of narrowed veinโš  3.3x markup
$299.6K
2.3K services$127.91/svc3.26x markup
36561Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or olderโš  3.3x markup
$274.8K
268 services$1.0K/svc3.25x markup
36148Insertion of needle and/or catheter into an artery-vein dialysis shunt or graftโš  3.2x markup
$272.9K
1.1K services$246.32/svc3.20x markup
36558Insertion of central venous catheter for infusion, patient 5 years or olderโš  3.3x markup
$189.2K
259 services$730.34/svc3.32x markup
37246Balloon dilation of artery, accessed through the skin or by open procedure, with imaging including radiological supervision and interpretationโš  3.5x markup
$167.9K
93 services$1.8K/svc3.55x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
36902Insertion of needle and/or catheter into dialysis circuit and balloon dilation of dialysis segment, with imaging including radiological supervision and interpretation4.5K$5.4M$1.2K3.21x
36903Insertion of needle and/or catheter into dialysis circuit and insertion of stent in dialysis segment, with imaging including radiological supervision and interpretation758$3.8M$5.0K3.17x
36906Excision of blood clot and/or infusion to dissolve blood clot and balloon dilation of dialysis segment, accessed through the skin, with imaging including radiological supervision and interpretation523$3.2M$6.2K3.18x
37238Insertion of intravascular stents in vein, open or accessed through the skin, with radiological supervision and interpretation814$3.2M$3.9K3.22x
35476Balloon dilation of narrowed or blocked vein, accessed through the skin2.4K$2.5M$1.1K4.09x
36907Balloon dilation of dialysis segment, accessed through the skin, with imaging including radiological supervision and interpretation2.7K$1.8M$669.803.16x
36147Insertion of needle and/or catheter for dialysis3.4K$1.5M$430.435.85x
36905Excision of blood clot and/or infusion to dissolve blood clot in dialysis circuit and balloon dilation of dialysis segment, , accessed through the skin, with imaging including radiological supervision and interpretation594$1.4M$2.3K3.16x
35475Balloon dilation of narrowed or blocked upper arm artery, accessed through the skin737$973.4K$1.3K3.57x
36870Catheter removal of blood clot from dialysis graft, accessed through the skin575$777.0K$1.4K4.11x
36901Insertion of needle and/or catheter into dialysis circuit, with imaging including radiological supervision and interpretation1.0K$648.8K$619.663.25x
37248Balloon dilation of first vein, accessed through the skin or by open procedure, with imaging including radiological supervision and interpretation302$423.0K$1.4K3.25x
36908Insertion of stent in dialysis segment, with imaging including radiological supervision and interpretation157$340.1K$2.2K3.16x
36581Replacement of central venous catheter644$330.4K$513.064.62x
36215Insertion of catheter into chest or arm artery559$321.0K$574.305.77x
75978Radiological supervision and interpretation of balloon dilation of narrowed vein2.3K$299.6K$127.913.26x
36561Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older268$274.8K$1.0K3.25x
36148Insertion of needle and/or catheter into an artery-vein dialysis shunt or graft1.1K$272.9K$246.323.20x
36558Insertion of central venous catheter for infusion, patient 5 years or older259$189.2K$730.343.32x
37246Balloon dilation of artery, accessed through the skin or by open procedure, with imaging including radiological supervision and interpretation93$167.9K$1.8K3.55x

Markup Analysis

Charge-to-Payment Ratio

3.5x

This provider submits charges 3.5 times higher than what Medicare actually pays.

What This Means

A markup ratio of 3.5x means for every $100 Medicare pays, this provider initially charges $350. This is higher than the national average.

Location

Fairfax, VA

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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