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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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Methodologyโ€ขDownload Data
  1. Home
  2. Providers
  3. Ari Isaacson
๐Ÿ“ก
MDIndividual

Ari Isaacson, M.D.

NPI: 1982674586
Chapel Hill, NC
10 years of data
Interventional Radiology
$5.3M
Total Payments
14.5K
Beneficiaries
15.1K
Services
6.02x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$5.3M
Specialty median$146.5K

๐Ÿ“‹ Key Findings

1Billed $5.3M over 10 years
26.02x markup ratio (above median)
399th percentile in Interventional Radiology by payments
4Payments surged 843% in 2022
520 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $5.3M in total Medicare payments ranks in the 99th percentile of Interventional Radiology providers nationally.

Their average markup ratio of 6.02x is significantly above the specialty median of 5.1x.

Medicare payments to this provider grew 1756% from 2014 to 2023.

71% of their billing comes from a single procedure code (37243 โ€” Occlusion of tumors or obstructed blood vessel with radiological supervision and interpretation, roadmapping, and imaging guidance).

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 843% in 2022

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$957.25$121.287.89x$835.97$131.2K1.3K1.3K
2015$1.1K$125.788.46x$937.75$149.5K1.3K1.3K
2016$1.5K$121.1812.25x$1.4K$97.1K931894
2017$1.3K$107.6311.81x$1.2K$115.8K1.6K1.5K
2018$1.4K$110.6213.00x$1.3K$103.8K1.3K1.3K
2019$1.8K$116.1915.33x$1.7K$73.3K908866
2020$762.39$98.277.76x$664.12$59.4K730708
2021$2.6K$360.317.17x$2.2K$206.6K774766
2022$4.7K$785.656.03x$4.0K$1.9M2.7K2.7K
2023$5.4K$874.656.14x$4.5K$2.4M3.5K3.3K

Top Procedures (20)

37243Occlusion of tumors or obstructed blood vessel with radiological supervision and interpretation, roadmapping, and imaging guidanceโš  5.1x markup
$3.7M
795 services$4.6K/svc5.06x markup
36247Insertion of catheter into abdominal pelvic or leg arteryโš  10.7x markup
$365.2K
917 services$398.27/svc10.69x markup
37242Occlusion of artery with review by radiologistโš  8.7x markup
$279.4K
94 services$3.0K/svc8.72x markup
37244Occlusion of arterial or venous hemorrhage with radiological supervision and interpretation, roadmapping, and imaging guidanceโš  9.6x markup
$167.6K
78 services$2.1K/svc9.62x markup
35476Balloon dilation of narrowed or blocked vein, accessed through the skinโš  4.9x markup
$97.0K
101 services$960.51/svc4.86x markup
75726Radiological supervision and interpretation of imaging of abdominal arteryโš  4.5x markup
$74.3K
609 services$122.07/svc4.53x markup
36558Insertion of central venous catheter for infusion, patient 5 years or olderโš  10.0x markup
$68.9K
338 services$203.93/svc10.03x markup
36147Insertion of needle and/or catheter for dialysisโš  5.1x markup
$61.3K
153 services$400.45/svc5.12x markup
36248Insertion of catheter into each additional abdominal, pelvic or leg arteryโš  7.0x markup
$61.3K
819 services$74.79/svc7.01x markup
36561Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or olderโš  11.6x markup
$55.5K
210 services$264.28/svc11.59x markup
36902Insertion of needle and/or catheter into dialysis circuit and balloon dilation of dialysis segment, with imaging including radiological supervision and interpretationโš  3.8x markup
$46.3K
51 services$907.93/svc3.82x markup
75774Radiological supervision and interpretation of imaging of arteryโš  4.6x markup
$41.0K
577 services$70.99/svc4.58x markup
74174CT scan of abdominal and pelvic blood vessels with contrastโš  4.2x markup
$39.2K
507 services$77.40/svc4.15x markup
76937Ultrasound guidance for accessing into blood vesselโš  4.6x markup
$30.3K
1.7K services$17.51/svc4.58x markup
71275CT scan of blood vessels in chest with contrastโš  4.7x markup
$24.2K
417 services$58.12/svc4.70x markup
36589Removal of central venous catheter for infusionโš  4.7x markup
$20.7K
201 services$102.79/svc4.68x markup
49406Fluid collection drainage by catheter using imaging guidance, accessed through the skinโš  12.1x markup
$18.9K
125 services$151.06/svc12.12x markup
99152Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutesโš  9.7x markup
$18.7K
1.2K services$15.34/svc9.74x markup
99443Physician telephone patient service, 21-30 minutes of medical discussionโš  3.9x markup
$13.4K
162 services$82.46/svc3.91x markup
77001Fluoroscopic guidance for insertion, replacement or removal of central venous access deviceโš  4.0x markup
$12.9K
855 services$15.05/svc3.95x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
37243Occlusion of tumors or obstructed blood vessel with radiological supervision and interpretation, roadmapping, and imaging guidance795$3.7M$4.6K5.06x
36247Insertion of catheter into abdominal pelvic or leg artery917$365.2K$398.2710.69x
37242Occlusion of artery with review by radiologist94$279.4K$3.0K8.72x
37244Occlusion of arterial or venous hemorrhage with radiological supervision and interpretation, roadmapping, and imaging guidance78$167.6K$2.1K9.62x
35476Balloon dilation of narrowed or blocked vein, accessed through the skin101$97.0K$960.514.86x
75726Radiological supervision and interpretation of imaging of abdominal artery609$74.3K$122.074.53x
36558Insertion of central venous catheter for infusion, patient 5 years or older338$68.9K$203.9310.03x
36147Insertion of needle and/or catheter for dialysis153$61.3K$400.455.12x
36248Insertion of catheter into each additional abdominal, pelvic or leg artery819$61.3K$74.797.01x
36561Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older210$55.5K$264.2811.59x
36902Insertion of needle and/or catheter into dialysis circuit and balloon dilation of dialysis segment, with imaging including radiological supervision and interpretation51$46.3K$907.933.82x
75774Radiological supervision and interpretation of imaging of artery577$41.0K$70.994.58x
74174CT scan of abdominal and pelvic blood vessels with contrast507$39.2K$77.404.15x
76937Ultrasound guidance for accessing into blood vessel1.7K$30.3K$17.514.58x
71275CT scan of blood vessels in chest with contrast417$24.2K$58.124.70x
36589Removal of central venous catheter for infusion201$20.7K$102.794.68x
49406Fluid collection drainage by catheter using imaging guidance, accessed through the skin125$18.9K$151.0612.12x
99152Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes1.2K$18.7K$15.349.74x
99443Physician telephone patient service, 21-30 minutes of medical discussion162$13.4K$82.463.91x
77001Fluoroscopic guidance for insertion, replacement or removal of central venous access device855$12.9K$15.053.95x

Markup Analysis

Charge-to-Payment Ratio

6.02x

This provider submits charges 6.02 times higher than what Medicare actually pays.

What This Means

A markup ratio of 6.02x means for every $100 Medicare pays, this provider initially charges $602. This is higher than the national average.

Location

Chapel Hill, NC

Provider Verification

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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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