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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. Zahoor Makhdoom
๐Ÿฅ
MDIndividual

Zahoor Makhdoom, MD

NPI: 1982667309
Carbondale, IL
10 years of data
Gastroenterology
$7.9M
Total Payments
62.2K
Beneficiaries
76.6K
Services
4.49x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$7.9M
Specialty median$87.0K

๐Ÿ“‹ Key Findings

1Billed $7.9M over 10 years
24.49x markup ratio (above median)
399th percentile in Gastroenterology by payments
415 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $7.9M in total Medicare payments ranks in the 99th percentile of Gastroenterology 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$919.03$155.055.93x$763.98$759.9K6.6K5.7K
2015$687.72$165.464.16x$522.26$953.9K10.0K8.3K
2016$646.92$169.463.82x$477.46$1.2M11.8K9.4K
2017$610.81$148.574.11x$462.24$959.0K10.7K8.7K
2018$665.22$153.964.32x$511.26$567.1K5.7K4.8K
2019$761.70$164.984.62x$596.72$658.4K6.3K5.2K
2020$712.82$169.184.21x$543.64$563.0K5.1K4.3K
2021$706.07$172.704.09x$533.37$763.4K6.6K5.3K
2022$731.29$162.894.49x$568.40$768.7K6.8K5.2K
2023$686.79$147.754.65x$539.04$788.1K6.9K5.3K

Top Procedures (20)

45384Removal of polyps or growths in large bowel using an endoscopeโš  4.1x markup
$1.7M
5.6K services$306.05/svc4.10x markup
43249Balloon dilation of esophagus using an endoscope
$1.5M
1.9K services$802.89/svc1.58x markup
43239Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscopeโš  5.8x markup
$842.5K
4.9K services$171.44/svc5.85x markup
46221Removal of hemorrhoid by rubber bandingโš  4.0x markup
$453.7K
2.3K services$199.79/svc3.99x markup
45382Control of bleeding in large bowel using an endoscope
$411.4K
878 services$468.59/svc2.77x markup
45385Removal of polyps or growths of large bowel using an endoscopeโš  10.6x markup
$400.1K
3.2K services$126.44/svc10.62x markup
45380Biopsy of large bowel using an endoscopeโš  15.1x markup
$374.6K
4.7K services$78.91/svc15.07x markup
99214Established patient office or other outpatient, visit typically 25 minutes
$368.2K
4.6K services$79.93/svc1.50x markup
74177CT scan of abdomen and pelvis with contrastโš  3.6x markup
$295.5K
1.3K services$226.79/svc3.64x markup
91110Imaging of digestive tract done from the inside of the digestive tractโš  3.5x markup
$223.8K
357 services$626.75/svc3.51x markup
88305Pathology examination of tissue using a microscope, intermediate complexityโš  3.3x markup
$203.2K
3.9K services$52.34/svc3.34x markup
88313Special stained specimen slides to examine tissue including interpretation and reportโš  3.5x markup
$161.6K
3.3K services$49.66/svc3.52x markup
74176CT scan of abdomen and pelvisโš  6.0x markup
$124.2K
869 services$142.95/svc6.04x markup
88312Special stained specimen slides to identify organisms including interpretation and report
$109.4K
1.5K services$71.60/svc2.44x markup
91035Monitoring and recording of gastroesophageal reflux with pH electrode insertion including analysis and interpretationโš  4.7x markup
$94.7K
276 services$342.99/svc4.73x markup
43250Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscopeโš  3.9x markup
$81.2K
355 services$228.78/svc3.93x markup
43251Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscopeโš  4.0x markup
$76.0K
280 services$271.60/svc3.96x markup
99213Established patient office or other outpatient visit, typically 15 minutes
$71.5K
1.4K services$52.06/svc1.63x markup
74261Diagnostic CT scan of large bowelโš  7.5x markup
$69.5K
402 services$172.87/svc7.50x markup
45378Diagnostic examination of large bowel using an endoscopeโš  7.8x markup
$44.2K
271 services$162.98/svc7.79x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
45384Removal of polyps or growths in large bowel using an endoscope5.6K$1.7M$306.054.10x
43249Balloon dilation of esophagus using an endoscope1.9K$1.5M$802.891.58x
43239Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscope4.9K$842.5K$171.445.85x
46221Removal of hemorrhoid by rubber banding2.3K$453.7K$199.793.99x
45382Control of bleeding in large bowel using an endoscope878$411.4K$468.592.77x
45385Removal of polyps or growths of large bowel using an endoscope3.2K$400.1K$126.4410.62x
45380Biopsy of large bowel using an endoscope4.7K$374.6K$78.9115.07x
99214Established patient office or other outpatient, visit typically 25 minutes4.6K$368.2K$79.931.50x
74177CT scan of abdomen and pelvis with contrast1.3K$295.5K$226.793.64x
91110Imaging of digestive tract done from the inside of the digestive tract357$223.8K$626.753.51x
88305Pathology examination of tissue using a microscope, intermediate complexity3.9K$203.2K$52.343.34x
88313Special stained specimen slides to examine tissue including interpretation and report3.3K$161.6K$49.663.52x
74176CT scan of abdomen and pelvis869$124.2K$142.956.04x
88312Special stained specimen slides to identify organisms including interpretation and report1.5K$109.4K$71.602.44x
91035Monitoring and recording of gastroesophageal reflux with pH electrode insertion including analysis and interpretation276$94.7K$342.994.73x
43250Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope355$81.2K$228.783.93x
43251Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope280$76.0K$271.603.96x
99213Established patient office or other outpatient visit, typically 15 minutes1.4K$71.5K$52.061.63x
74261Diagnostic CT scan of large bowel402$69.5K$172.877.50x
45378Diagnostic examination of large bowel using an endoscope271$44.2K$162.987.79x

Markup Analysis

Charge-to-Payment Ratio

4.49x

This provider submits charges 4.49 times higher than what Medicare actually pays.

What This Means

A markup ratio of 4.49x means for every $100 Medicare pays, this provider initially charges $449. This is higher than the national average.

Location

Carbondale, IL

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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